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Commit | Line | Data |
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3397f9df | 1 | #!/usr/bin/env perl |
551ce28f EW |
2 | # Copyright (C) 2006, Eric Wong <normalperson@yhbt.net> |
3 | # License: GPL v2 or later | |
3397f9df EW |
4 | use warnings; |
5 | use strict; | |
6 | use vars qw/ $AUTHOR $VERSION | |
1ca72aef | 7 | $SVN_URL $SVN_INFO $SVN_WC $SVN_UUID |
3397f9df | 8 | $GIT_SVN_INDEX $GIT_SVN |
42d32870 | 9 | $GIT_DIR $GIT_SVN_DIR $REVDB/; |
3397f9df | 10 | $AUTHOR = 'Eric Wong <normalperson@yhbt.net>'; |
60d02ccc | 11 | $VERSION = '@@GIT_VERSION@@'; |
13ccd6d4 EW |
12 | |
13 | use Cwd qw/abs_path/; | |
14 | $GIT_DIR = abs_path($ENV{GIT_DIR} || '.git'); | |
15 | $ENV{GIT_DIR} = $GIT_DIR; | |
16 | ||
ce475dfc | 17 | my $LC_ALL = $ENV{LC_ALL}; |
79bb8d88 | 18 | my $TZ = $ENV{TZ}; |
3397f9df EW |
19 | # make sure the svn binary gives consistent output between locales and TZs: |
20 | $ENV{TZ} = 'UTC'; | |
21 | $ENV{LC_ALL} = 'C'; | |
a00439ac | 22 | $| = 1; # unbuffer STDOUT |
3397f9df EW |
23 | |
24 | # If SVN:: library support is added, please make the dependencies | |
25 | # optional and preserve the capability to use the command-line client. | |
ce6f3519 | 26 | # use eval { require SVN::... } to make it lazy load |
eeb0abe0 | 27 | # We don't use any modules not in the standard Perl distribution: |
3397f9df EW |
28 | use Carp qw/croak/; |
29 | use IO::File qw//; | |
30 | use File::Basename qw/dirname basename/; | |
31 | use File::Path qw/mkpath/; | |
79bb8d88 | 32 | use Getopt::Long qw/:config gnu_getopt no_ignore_case auto_abbrev pass_through/; |
3397f9df | 33 | use File::Spec qw//; |
17a10f37 | 34 | use File::Copy qw/copy/; |
e17512f3 | 35 | use POSIX qw/strftime/; |
968bdf1f | 36 | use IPC::Open3; |
42d32870 EW |
37 | use Memoize; |
38 | memoize('revisions_eq'); | |
c1927a85 EW |
39 | memoize('cmt_metadata'); |
40 | memoize('get_commit_time'); | |
a5e0cedc EW |
41 | |
42 | my ($SVN_PATH, $SVN, $SVN_LOG, $_use_lib); | |
43 | $_use_lib = 1 unless $ENV{GIT_SVN_NO_LIB}; | |
44 | libsvn_load(); | |
42d32870 | 45 | my $_optimize_commits = 1 unless $ENV{GIT_SVN_NO_OPTIMIZE_COMMITS}; |
3397f9df | 46 | my $sha1 = qr/[a-f\d]{40}/; |
ac8e0b91 | 47 | my $sha1_short = qr/[a-f\d]{4,40}/; |
72942938 | 48 | my ($_revision,$_stdin,$_no_ignore_ext,$_no_stop_copy,$_help,$_rmdir,$_edit, |
1a82e793 | 49 | $_find_copies_harder, $_l, $_cp_similarity, $_cp_remote, |
80f50749 | 50 | $_repack, $_repack_nr, $_repack_flags, $_q, |
a00439ac | 51 | $_message, $_file, $_follow_parent, $_no_metadata, |
9d55b41a | 52 | $_template, $_shared, $_no_default_regex, $_no_graft_copy, |
79bb8d88 | 53 | $_limit, $_verbose, $_incremental, $_oneline, $_l_fmt, $_show_commit, |
b22d4497 EW |
54 | $_version, $_upgrade, $_authors, $_branch_all_refs, @_opt_m, |
55 | $_merge, $_strategy, $_dry_run); | |
42d32870 | 56 | my (@_branch_from, %tree_map, %users, %rusers, %equiv); |
8a97e368 | 57 | my ($_svn_co_url_revs, $_svn_pg_peg_revs); |
883d0a78 | 58 | my @repo_path_split_cache; |
3397f9df | 59 | |
eeb0abe0 | 60 | my %fc_opts = ( 'no-ignore-externals' => \$_no_ignore_ext, |
69f0d91e | 61 | 'branch|b=s' => \@_branch_from, |
a00439ac | 62 | 'follow-parent|follow' => \$_follow_parent, |
bf78b1d8 | 63 | 'branch-all-refs|B' => \$_branch_all_refs, |
dc5869c0 EW |
64 | 'authors-file|A=s' => \$_authors, |
65 | 'repack:i' => \$_repack, | |
a00439ac | 66 | 'no-metadata' => \$_no_metadata, |
80f50749 | 67 | 'quiet|q' => \$_q, |
dc5869c0 | 68 | 'repack-flags|repack-args|repack-opts=s' => \$_repack_flags); |
36f5b1f0 | 69 | |
9d55b41a EW |
70 | my ($_trunk, $_tags, $_branches); |
71 | my %multi_opts = ( 'trunk|T=s' => \$_trunk, | |
72 | 'tags|t=s' => \$_tags, | |
73 | 'branches|b=s' => \$_branches ); | |
74 | my %init_opts = ( 'template=s' => \$_template, 'shared' => \$_shared ); | |
27e9fb8d EW |
75 | my %cmt_opts = ( 'edit|e' => \$_edit, |
76 | 'rmdir' => \$_rmdir, | |
77 | 'find-copies-harder' => \$_find_copies_harder, | |
78 | 'l=i' => \$_l, | |
79 | 'copy-similarity|C=i'=> \$_cp_similarity | |
80 | ); | |
9d55b41a | 81 | |
3397f9df | 82 | my %cmd = ( |
eeb0abe0 EW |
83 | fetch => [ \&fetch, "Download new revisions from SVN", |
84 | { 'revision|r=s' => \$_revision, %fc_opts } ], | |
81c5a0e6 | 85 | init => [ \&init, "Initialize a repo for tracking" . |
f8ab6b73 | 86 | " (requires URL argument)", |
9d55b41a | 87 | \%init_opts ], |
eeb0abe0 | 88 | commit => [ \&commit, "Commit git revisions to SVN", |
27e9fb8d | 89 | { 'stdin|' => \$_stdin, %cmt_opts, %fc_opts, } ], |
a5e0cedc EW |
90 | 'show-ignore' => [ \&show_ignore, "Show svn:ignore listings", |
91 | { 'revision|r=i' => \$_revision } ], | |
eeb0abe0 EW |
92 | rebuild => [ \&rebuild, "Rebuild git-svn metadata (after git clone)", |
93 | { 'no-ignore-externals' => \$_no_ignore_ext, | |
1a82e793 | 94 | 'copy-remote|remote=s' => \$_cp_remote, |
eeb0abe0 | 95 | 'upgrade' => \$_upgrade } ], |
9d55b41a EW |
96 | 'graft-branches' => [ \&graft_branches, |
97 | 'Detect merges/branches from already imported history', | |
98 | { 'merge-rx|m' => \@_opt_m, | |
c1927a85 EW |
99 | 'branch|b=s' => \@_branch_from, |
100 | 'branch-all-refs|B' => \$_branch_all_refs, | |
9d55b41a EW |
101 | 'no-default-regex' => \$_no_default_regex, |
102 | 'no-graft-copy' => \$_no_graft_copy } ], | |
103 | 'multi-init' => [ \&multi_init, | |
104 | 'Initialize multiple trees (like git-svnimport)', | |
105 | { %multi_opts, %fc_opts } ], | |
106 | 'multi-fetch' => [ \&multi_fetch, | |
107 | 'Fetch multiple trees (like git-svnimport)', | |
108 | \%fc_opts ], | |
79bb8d88 EW |
109 | 'log' => [ \&show_log, 'Show commit logs', |
110 | { 'limit=i' => \$_limit, | |
111 | 'revision|r=s' => \$_revision, | |
112 | 'verbose|v' => \$_verbose, | |
113 | 'incremental' => \$_incremental, | |
114 | 'oneline' => \$_oneline, | |
115 | 'show-commit' => \$_show_commit, | |
116 | 'authors-file|A=s' => \$_authors, | |
117 | } ], | |
27e9fb8d EW |
118 | 'commit-diff' => [ \&commit_diff, 'Commit a diff between two trees', |
119 | { 'message|m=s' => \$_message, | |
120 | 'file|F=s' => \$_file, | |
121 | %cmt_opts } ], | |
b22d4497 EW |
122 | dcommit => [ \&dcommit, 'Commit several diffs to merge with upstream', |
123 | { 'merge|m|M' => \$_merge, | |
124 | 'strategy|s=s' => \$_strategy, | |
125 | 'dry-run|n' => \$_dry_run, | |
126 | %cmt_opts } ], | |
3397f9df | 127 | ); |
9d55b41a | 128 | |
3397f9df EW |
129 | my $cmd; |
130 | for (my $i = 0; $i < @ARGV; $i++) { | |
131 | if (defined $cmd{$ARGV[$i]}) { | |
132 | $cmd = $ARGV[$i]; | |
133 | splice @ARGV, $i, 1; | |
134 | last; | |
135 | } | |
136 | }; | |
137 | ||
448c81b4 | 138 | my %opts = %{$cmd{$cmd}->[2]} if (defined $cmd); |
a9612be2 | 139 | |
b8c92cad | 140 | read_repo_config(\%opts); |
79bb8d88 EW |
141 | my $rv = GetOptions(%opts, 'help|H|h' => \$_help, |
142 | 'version|V' => \$_version, | |
143 | 'id|i=s' => \$GIT_SVN); | |
144 | exit 1 if (!$rv && $cmd ne 'log'); | |
6f0783cf | 145 | |
dc5869c0 | 146 | set_default_vals(); |
3397f9df | 147 | usage(0) if $_help; |
551ce28f | 148 | version() if $_version; |
eeb0abe0 | 149 | usage(1) unless defined $cmd; |
b8c92cad | 150 | init_vars(); |
eeb0abe0 | 151 | load_authors() if $_authors; |
bf78b1d8 | 152 | load_all_refs() if $_branch_all_refs; |
dc62e25c | 153 | svn_compat_check() unless $_use_lib; |
7b520e62 | 154 | migration_check() unless $cmd =~ /^(?:init|rebuild|multi-init|commit-diff)$/; |
3397f9df EW |
155 | $cmd{$cmd}->[0]->(@ARGV); |
156 | exit 0; | |
157 | ||
158 | ####################### primary functions ###################### | |
159 | sub usage { | |
160 | my $exit = shift || 0; | |
161 | my $fd = $exit ? \*STDERR : \*STDOUT; | |
162 | print $fd <<""; | |
163 | git-svn - bidirectional operations between a single Subversion tree and git | |
164 | Usage: $0 <command> [options] [arguments]\n | |
448c81b4 EW |
165 | |
166 | print $fd "Available commands:\n" unless $cmd; | |
3397f9df EW |
167 | |
168 | foreach (sort keys %cmd) { | |
448c81b4 | 169 | next if $cmd && $cmd ne $_; |
ac8e0b91 | 170 | print $fd ' ',pack('A13',$_),$cmd{$_}->[1],"\n"; |
448c81b4 EW |
171 | foreach (keys %{$cmd{$_}->[2]}) { |
172 | # prints out arguments as they should be passed: | |
b8c92cad | 173 | my $x = s#[:=]s$## ? '<arg>' : s#[:=]i$## ? '<num>' : ''; |
448c81b4 EW |
174 | print $fd ' ' x 17, join(', ', map { length $_ > 1 ? |
175 | "--$_" : "-$_" } | |
176 | split /\|/,$_)," $x\n"; | |
177 | } | |
3397f9df EW |
178 | } |
179 | print $fd <<""; | |
448c81b4 EW |
180 | \nGIT_SVN_ID may be set in the environment or via the --id/-i switch to an |
181 | arbitrary identifier if you're tracking multiple SVN branches/repositories in | |
182 | one git repository and want to keep them separate. See git-svn(1) for more | |
183 | information. | |
3397f9df EW |
184 | |
185 | exit $exit; | |
186 | } | |
187 | ||
551ce28f EW |
188 | sub version { |
189 | print "git-svn version $VERSION\n"; | |
190 | exit 0; | |
191 | } | |
192 | ||
3397f9df | 193 | sub rebuild { |
1a82e793 EW |
194 | if (quiet_run(qw/git-rev-parse --verify/,"refs/remotes/$GIT_SVN^0")) { |
195 | copy_remote_ref(); | |
196 | } | |
3397f9df | 197 | $SVN_URL = shift or undef; |
3397f9df | 198 | my $newest_rev = 0; |
2beb3cdd EW |
199 | if ($_upgrade) { |
200 | sys('git-update-ref',"refs/remotes/$GIT_SVN","$GIT_SVN-HEAD"); | |
201 | } else { | |
202 | check_upgrade_needed(); | |
203 | } | |
3397f9df EW |
204 | |
205 | my $pid = open(my $rev_list,'-|'); | |
206 | defined $pid or croak $!; | |
207 | if ($pid == 0) { | |
2beb3cdd | 208 | exec("git-rev-list","refs/remotes/$GIT_SVN") or croak $!; |
3397f9df | 209 | } |
2beb3cdd | 210 | my $latest; |
3397f9df EW |
211 | while (<$rev_list>) { |
212 | chomp; | |
213 | my $c = $_; | |
214 | croak "Non-SHA1: $c\n" unless $c =~ /^$sha1$/o; | |
215 | my @commit = grep(/^git-svn-id: /,`git-cat-file commit $c`); | |
216 | next if (!@commit); # skip merges | |
79bb8d88 EW |
217 | my ($url, $rev, $uuid) = extract_metadata($commit[$#commit]); |
218 | if (!$rev || !$uuid) { | |
219 | croak "Unable to extract revision or UUID from ", | |
220 | "$c, $commit[$#commit]\n"; | |
3397f9df | 221 | } |
2beb3cdd EW |
222 | |
223 | # if we merged or otherwise started elsewhere, this is | |
224 | # how we break out of it | |
1ca72aef | 225 | next if (defined $SVN_UUID && ($uuid ne $SVN_UUID)); |
779b1446 | 226 | next if (defined $SVN_URL && defined $url && ($url ne $SVN_URL)); |
2beb3cdd | 227 | |
2beb3cdd | 228 | unless (defined $latest) { |
3397f9df EW |
229 | if (!$SVN_URL && !$url) { |
230 | croak "SVN repository location required: $url\n"; | |
231 | } | |
232 | $SVN_URL ||= $url; | |
1d52aba8 EW |
233 | $SVN_UUID ||= $uuid; |
234 | setup_git_svn(); | |
2beb3cdd | 235 | $latest = $rev; |
3397f9df | 236 | } |
42d32870 EW |
237 | revdb_set($REVDB, $rev, $c); |
238 | print "r$rev = $c\n"; | |
3397f9df EW |
239 | $newest_rev = $rev if ($rev > $newest_rev); |
240 | } | |
241 | close $rev_list or croak $?; | |
a5e0cedc EW |
242 | |
243 | goto out if $_use_lib; | |
3397f9df | 244 | if (!chdir $SVN_WC) { |
1d52aba8 | 245 | svn_cmd_checkout($SVN_URL, $latest, $SVN_WC); |
3397f9df EW |
246 | chdir $SVN_WC or croak $!; |
247 | } | |
248 | ||
249 | $pid = fork; | |
250 | defined $pid or croak $!; | |
251 | if ($pid == 0) { | |
252 | my @svn_up = qw(svn up); | |
253 | push @svn_up, '--ignore-externals' unless $_no_ignore_ext; | |
254 | sys(@svn_up,"-r$newest_rev"); | |
255 | $ENV{GIT_INDEX_FILE} = $GIT_SVN_INDEX; | |
36f5b1f0 | 256 | index_changes(); |
b8c92cad | 257 | exec('git-write-tree') or croak $!; |
3397f9df EW |
258 | } |
259 | waitpid $pid, 0; | |
b8c92cad | 260 | croak $? if $?; |
a5e0cedc | 261 | out: |
2beb3cdd EW |
262 | if ($_upgrade) { |
263 | print STDERR <<""; | |
264 | Keeping deprecated refs/head/$GIT_SVN-HEAD for now. Please remove it | |
265 | when you have upgraded your tools and habits to use refs/remotes/$GIT_SVN | |
266 | ||
267 | } | |
3397f9df EW |
268 | } |
269 | ||
270 | sub init { | |
03e0ea87 | 271 | my $url = shift or die "SVN repository location required " . |
81c5a0e6 | 272 | "as a command-line argument\n"; |
03e0ea87 EW |
273 | $url =~ s!/+$!!; # strip trailing slash |
274 | ||
275 | if (my $repo_path = shift) { | |
276 | unless (-d $repo_path) { | |
277 | mkpath([$repo_path]); | |
278 | } | |
279 | $GIT_DIR = $ENV{GIT_DIR} = $repo_path . "/.git"; | |
280 | init_vars(); | |
281 | } | |
282 | ||
283 | $SVN_URL = $url; | |
3397f9df | 284 | unless (-d $GIT_DIR) { |
f8ab6b73 EW |
285 | my @init_db = ('git-init-db'); |
286 | push @init_db, "--template=$_template" if defined $_template; | |
287 | push @init_db, "--shared" if defined $_shared; | |
288 | sys(@init_db); | |
3397f9df EW |
289 | } |
290 | setup_git_svn(); | |
291 | } | |
292 | ||
293 | sub fetch { | |
2beb3cdd | 294 | check_upgrade_needed(); |
883d0a78 | 295 | $SVN_URL ||= file_to_s("$GIT_SVN_DIR/info/url"); |
a5e0cedc EW |
296 | my $ret = $_use_lib ? fetch_lib(@_) : fetch_cmd(@_); |
297 | if ($ret->{commit} && quiet_run(qw(git-rev-parse --verify | |
298 | refs/heads/master^0))) { | |
299 | sys(qw(git-update-ref refs/heads/master),$ret->{commit}); | |
300 | } | |
301 | return $ret; | |
302 | } | |
303 | ||
304 | sub fetch_cmd { | |
305 | my (@parents) = @_; | |
3397f9df | 306 | my @log_args = -d $SVN_WC ? ($SVN_WC) : ($SVN_URL); |
defc6492 EW |
307 | unless ($_revision) { |
308 | $_revision = -d $SVN_WC ? 'BASE:HEAD' : '0:HEAD'; | |
3397f9df | 309 | } |
defc6492 | 310 | push @log_args, "-r$_revision"; |
3397f9df EW |
311 | push @log_args, '--stop-on-copy' unless $_no_stop_copy; |
312 | ||
ce6f3519 | 313 | my $svn_log = svn_log_raw(@log_args); |
3397f9df | 314 | |
03823184 | 315 | my $base = next_log_entry($svn_log) or croak "No base revision!\n"; |
42d32870 EW |
316 | # don't need last_revision from grab_base_rev() because |
317 | # user could've specified a different revision to skip (they | |
318 | # didn't want to import certain revisions into git for whatever | |
319 | # reason, so trust $base->{revision} instead. | |
320 | my (undef, $last_commit) = svn_grab_base_rev(); | |
3397f9df | 321 | unless (-d $SVN_WC) { |
1d52aba8 | 322 | svn_cmd_checkout($SVN_URL,$base->{revision},$SVN_WC); |
3397f9df | 323 | chdir $SVN_WC or croak $!; |
1d52aba8 | 324 | read_uuid(); |
3397f9df | 325 | $last_commit = git_commit($base, @parents); |
36f5b1f0 | 326 | assert_tree($last_commit); |
3397f9df EW |
327 | } else { |
328 | chdir $SVN_WC or croak $!; | |
1d52aba8 | 329 | read_uuid(); |
6dfbe516 EW |
330 | # looks like a user manually cp'd and svn switch'ed |
331 | unless ($last_commit) { | |
332 | sys(qw/svn revert -R ./); | |
333 | assert_svn_wc_clean($base->{revision}); | |
334 | $last_commit = git_commit($base, @parents); | |
335 | assert_tree($last_commit); | |
336 | } | |
3397f9df EW |
337 | } |
338 | my @svn_up = qw(svn up); | |
339 | push @svn_up, '--ignore-externals' unless $_no_ignore_ext; | |
03823184 EW |
340 | my $last = $base; |
341 | while (my $log_msg = next_log_entry($svn_log)) { | |
03823184 EW |
342 | if ($last->{revision} >= $log_msg->{revision}) { |
343 | croak "Out of order: last >= current: ", | |
344 | "$last->{revision} >= $log_msg->{revision}\n"; | |
345 | } | |
36f5b1f0 EW |
346 | # Revert is needed for cases like: |
347 | # https://svn.musicpd.org/Jamming/trunk (r166:167), but | |
348 | # I can't seem to reproduce something like that on a test... | |
349 | sys(qw/svn revert -R ./); | |
350 | assert_svn_wc_clean($last->{revision}); | |
03823184 | 351 | sys(@svn_up,"-r$log_msg->{revision}"); |
3397f9df | 352 | $last_commit = git_commit($log_msg, $last_commit, @parents); |
03823184 | 353 | $last = $log_msg; |
3397f9df | 354 | } |
b8c92cad | 355 | close $svn_log->{fh}; |
a5e0cedc | 356 | $last->{commit} = $last_commit; |
03823184 | 357 | return $last; |
3397f9df EW |
358 | } |
359 | ||
a5e0cedc EW |
360 | sub fetch_lib { |
361 | my (@parents) = @_; | |
362 | $SVN_URL ||= file_to_s("$GIT_SVN_DIR/info/url"); | |
363 | my $repo; | |
364 | ($repo, $SVN_PATH) = repo_path_split($SVN_URL); | |
365 | $SVN_LOG ||= libsvn_connect($repo); | |
366 | $SVN ||= libsvn_connect($repo); | |
367 | my ($last_rev, $last_commit) = svn_grab_base_rev(); | |
368 | my ($base, $head) = libsvn_parse_revision($last_rev); | |
369 | if ($base > $head) { | |
370 | return { revision => $last_rev, commit => $last_commit } | |
371 | } | |
372 | my $index = set_index($GIT_SVN_INDEX); | |
373 | ||
374 | # limit ourselves and also fork() since get_log won't release memory | |
375 | # after processing a revision and SVN stuff seems to leak | |
376 | my $inc = 1000; | |
377 | my ($min, $max) = ($base, $head < $base+$inc ? $head : $base+$inc); | |
378 | read_uuid(); | |
379 | if (defined $last_commit) { | |
380 | unless (-e $GIT_SVN_INDEX) { | |
381 | sys(qw/git-read-tree/, $last_commit); | |
382 | } | |
383 | chomp (my $x = `git-write-tree`); | |
384 | my ($y) = (`git-cat-file commit $last_commit` | |
385 | =~ /^tree ($sha1)/m); | |
386 | if ($y ne $x) { | |
387 | unlink $GIT_SVN_INDEX or croak $!; | |
388 | sys(qw/git-read-tree/, $last_commit); | |
389 | } | |
390 | chomp ($x = `git-write-tree`); | |
391 | if ($y ne $x) { | |
392 | print STDERR "trees ($last_commit) $y != $x\n", | |
393 | "Something is seriously wrong...\n"; | |
394 | } | |
395 | } | |
396 | while (1) { | |
397 | # fork, because using SVN::Pool with get_log() still doesn't | |
398 | # seem to help enough to keep memory usage down. | |
399 | defined(my $pid = fork) or croak $!; | |
400 | if (!$pid) { | |
401 | $SVN::Error::handler = \&libsvn_skip_unknown_revs; | |
a5e0cedc EW |
402 | |
403 | # Yes I'm perfectly aware that the fourth argument | |
404 | # below is the limit revisions number. Unfortunately | |
405 | # performance sucks with it enabled, so it's much | |
406 | # faster to fetch revision ranges instead of relying | |
407 | # on the limiter. | |
dc62e25c EW |
408 | libsvn_get_log($SVN_LOG, '/'.$SVN_PATH, |
409 | $min, $max, 0, 1, 1, | |
a5e0cedc EW |
410 | sub { |
411 | my $log_msg; | |
412 | if ($last_commit) { | |
413 | $log_msg = libsvn_fetch( | |
414 | $last_commit, @_); | |
415 | $last_commit = git_commit( | |
416 | $log_msg, | |
417 | $last_commit, | |
418 | @parents); | |
419 | } else { | |
420 | $log_msg = libsvn_new_tree(@_); | |
421 | $last_commit = git_commit( | |
422 | $log_msg, @parents); | |
423 | } | |
424 | }); | |
a5e0cedc EW |
425 | exit 0; |
426 | } | |
427 | waitpid $pid, 0; | |
428 | croak $? if $?; | |
429 | ($last_rev, $last_commit) = svn_grab_base_rev(); | |
430 | last if ($max >= $head); | |
431 | $min = $max + 1; | |
432 | $max += $inc; | |
433 | $max = $head if ($max > $head); | |
434 | } | |
435 | restore_index($index); | |
436 | return { revision => $last_rev, commit => $last_commit }; | |
437 | } | |
438 | ||
3397f9df EW |
439 | sub commit { |
440 | my (@commits) = @_; | |
2beb3cdd | 441 | check_upgrade_needed(); |
3397f9df EW |
442 | if ($_stdin || !@commits) { |
443 | print "Reading from stdin...\n"; | |
444 | @commits = (); | |
445 | while (<STDIN>) { | |
1ca72aef | 446 | if (/\b($sha1_short)\b/o) { |
3397f9df EW |
447 | unshift @commits, $1; |
448 | } | |
449 | } | |
450 | } | |
451 | my @revs; | |
8de010ad EW |
452 | foreach my $c (@commits) { |
453 | chomp(my @tmp = safe_qx('git-rev-parse',$c)); | |
454 | if (scalar @tmp == 1) { | |
455 | push @revs, $tmp[0]; | |
456 | } elsif (scalar @tmp > 1) { | |
457 | push @revs, reverse (safe_qx('git-rev-list',@tmp)); | |
458 | } else { | |
459 | die "Failed to rev-parse $c\n"; | |
460 | } | |
3397f9df EW |
461 | } |
462 | chomp @revs; | |
a5e0cedc EW |
463 | $_use_lib ? commit_lib(@revs) : commit_cmd(@revs); |
464 | print "Done committing ",scalar @revs," revisions to SVN\n"; | |
465 | } | |
466 | ||
467 | sub commit_cmd { | |
468 | my (@revs) = @_; | |
3397f9df | 469 | |
b63af9b3 | 470 | chdir $SVN_WC or croak "Unable to chdir $SVN_WC: $!\n"; |
1d52aba8 | 471 | my $info = svn_info('.'); |
b63af9b3 EW |
472 | my $fetched = fetch(); |
473 | if ($info->{Revision} != $fetched->{revision}) { | |
474 | print STDERR "There are new revisions that were fetched ", | |
475 | "and need to be merged (or acknowledged) ", | |
476 | "before committing.\n"; | |
477 | exit 1; | |
478 | } | |
479 | $info = svn_info('.'); | |
1d52aba8 | 480 | read_uuid($info); |
42d32870 | 481 | my $last = $fetched; |
3397f9df | 482 | foreach my $c (@revs) { |
42d32870 | 483 | my $mods = svn_checkout_tree($last, $c); |
cf52b8f0 EW |
484 | if (scalar @$mods == 0) { |
485 | print "Skipping, no changes detected\n"; | |
486 | next; | |
487 | } | |
42d32870 | 488 | $last = svn_commit_tree($last, $c); |
3397f9df | 489 | } |
3397f9df EW |
490 | } |
491 | ||
a5e0cedc EW |
492 | sub commit_lib { |
493 | my (@revs) = @_; | |
494 | my ($r_last, $cmt_last) = svn_grab_base_rev(); | |
495 | defined $r_last or die "Must have an existing revision to commit\n"; | |
cf7424b0 | 496 | my $fetched = fetch(); |
a5e0cedc EW |
497 | if ($r_last != $fetched->{revision}) { |
498 | print STDERR "There are new revisions that were fetched ", | |
499 | "and need to be merged (or acknowledged) ", | |
500 | "before committing.\n", | |
501 | "last rev: $r_last\n", | |
502 | " current: $fetched->{revision}\n"; | |
503 | exit 1; | |
504 | } | |
505 | read_uuid(); | |
506 | my @lock = $SVN::Core::VERSION ge '1.2.0' ? (undef, 0) : (); | |
507 | my $commit_msg = "$GIT_SVN_DIR/.svn-commit.tmp.$$"; | |
508 | ||
5a990e45 EW |
509 | my $repo; |
510 | ($repo, $SVN_PATH) = repo_path_split($SVN_URL); | |
27e9fb8d | 511 | set_svn_commit_env(); |
a5e0cedc | 512 | foreach my $c (@revs) { |
ec9d00d0 EW |
513 | my $log_msg = get_commit_message($c, $commit_msg); |
514 | ||
a5e0cedc EW |
515 | # fork for each commit because there's a memory leak I |
516 | # can't track down... (it's probably in the SVN code) | |
517 | defined(my $pid = open my $fh, '-|') or croak $!; | |
518 | if (!$pid) { | |
5a990e45 EW |
519 | $SVN_LOG = libsvn_connect($repo); |
520 | $SVN = libsvn_connect($repo); | |
a5e0cedc EW |
521 | my $ed = SVN::Git::Editor->new( |
522 | { r => $r_last, | |
523 | ra => $SVN, | |
524 | c => $c, | |
525 | svn_path => $SVN_PATH | |
526 | }, | |
527 | $SVN->get_commit_editor( | |
528 | $log_msg->{msg}, | |
529 | sub { | |
530 | libsvn_commit_cb( | |
531 | @_, $c, | |
532 | $log_msg->{msg}, | |
533 | $r_last, | |
534 | $cmt_last) | |
535 | }, | |
536 | @lock) | |
537 | ); | |
42d32870 | 538 | my $mods = libsvn_checkout_tree($cmt_last, $c, $ed); |
a5e0cedc EW |
539 | if (@$mods == 0) { |
540 | print "No changes\nr$r_last = $cmt_last\n"; | |
541 | $ed->abort_edit; | |
542 | } else { | |
543 | $ed->close_edit; | |
544 | } | |
545 | exit 0; | |
546 | } | |
547 | my ($r_new, $cmt_new, $no); | |
548 | while (<$fh>) { | |
549 | print $_; | |
550 | chomp; | |
551 | if (/^r(\d+) = ($sha1)$/o) { | |
552 | ($r_new, $cmt_new) = ($1, $2); | |
553 | } elsif ($_ eq 'No changes') { | |
554 | $no = 1; | |
555 | } | |
556 | } | |
cf7424b0 | 557 | close $fh or croak $?; |
a5e0cedc EW |
558 | if (! defined $r_new && ! defined $cmt_new) { |
559 | unless ($no) { | |
560 | die "Failed to parse revision information\n"; | |
561 | } | |
562 | } else { | |
563 | ($r_last, $cmt_last) = ($r_new, $cmt_new); | |
564 | } | |
565 | } | |
ec9d00d0 | 566 | $ENV{LC_ALL} = 'C'; |
a5e0cedc EW |
567 | unlink $commit_msg; |
568 | } | |
8f22562c | 569 | |
b22d4497 EW |
570 | sub dcommit { |
571 | my $gs = "refs/remotes/$GIT_SVN"; | |
572 | chomp(my @refs = safe_qx(qw/git-rev-list --no-merges/, "$gs..HEAD")); | |
573 | foreach my $d (reverse @refs) { | |
574 | if ($_dry_run) { | |
575 | print "diff-tree $d~1 $d\n"; | |
576 | } else { | |
577 | commit_diff("$d~1", $d); | |
578 | } | |
579 | } | |
580 | return if $_dry_run; | |
581 | fetch(); | |
582 | my @diff = safe_qx(qw/git-diff-tree HEAD/, $gs); | |
583 | my @finish; | |
584 | if (@diff) { | |
585 | @finish = qw/rebase/; | |
586 | push @finish, qw/--merge/ if $_merge; | |
587 | push @finish, "--strategy=$_strategy" if $_strategy; | |
588 | print STDERR "W: HEAD and $gs differ, using @finish:\n", @diff; | |
589 | } else { | |
590 | print "No changes between current HEAD and $gs\n", | |
591 | "Hard resetting to the latest $gs\n"; | |
592 | @finish = qw/reset --hard/; | |
593 | } | |
594 | sys('git', @finish, $gs); | |
595 | } | |
596 | ||
a5e0cedc | 597 | sub show_ignore { |
883d0a78 | 598 | $SVN_URL ||= file_to_s("$GIT_SVN_DIR/info/url"); |
a5e0cedc EW |
599 | $_use_lib ? show_ignore_lib() : show_ignore_cmd(); |
600 | } | |
601 | ||
602 | sub show_ignore_cmd { | |
603 | require File::Find or die $!; | |
604 | if (defined $_revision) { | |
605 | die "-r/--revision option doesn't work unless the Perl SVN ", | |
606 | "libraries are used\n"; | |
607 | } | |
8f22562c EW |
608 | chdir $SVN_WC or croak $!; |
609 | my %ign; | |
610 | File::Find::find({wanted=>sub{if(lstat $_ && -d _ && -d "$_/.svn"){ | |
611 | s#^\./##; | |
8a97e368 | 612 | @{$ign{$_}} = svn_propget_base('svn:ignore', $_); |
8f22562c EW |
613 | }}, no_chdir=>1},'.'); |
614 | ||
615 | print "\n# /\n"; | |
616 | foreach (@{$ign{'.'}}) { print '/',$_ if /\S/ } | |
617 | delete $ign{'.'}; | |
618 | foreach my $i (sort keys %ign) { | |
619 | print "\n# ",$i,"\n"; | |
620 | foreach (@{$ign{$i}}) { print '/',$i,'/',$_ if /\S/ } | |
621 | } | |
622 | } | |
623 | ||
a5e0cedc EW |
624 | sub show_ignore_lib { |
625 | my $repo; | |
626 | ($repo, $SVN_PATH) = repo_path_split($SVN_URL); | |
627 | $SVN ||= libsvn_connect($repo); | |
628 | my $r = defined $_revision ? $_revision : $SVN->get_latest_revnum; | |
629 | libsvn_traverse_ignore(\*STDOUT, $SVN_PATH, $r); | |
630 | } | |
631 | ||
9d55b41a EW |
632 | sub graft_branches { |
633 | my $gr_file = "$GIT_DIR/info/grafts"; | |
634 | my ($grafts, $comments) = read_grafts($gr_file); | |
635 | my $gr_sha1; | |
636 | ||
637 | if (%$grafts) { | |
638 | # temporarily disable our grafts file to make this idempotent | |
639 | chomp($gr_sha1 = safe_qx(qw/git-hash-object -w/,$gr_file)); | |
640 | rename $gr_file, "$gr_file~$gr_sha1" or croak $!; | |
641 | } | |
642 | ||
643 | my $l_map = read_url_paths(); | |
644 | my @re = map { qr/$_/is } @_opt_m if @_opt_m; | |
645 | unless ($_no_default_regex) { | |
c1927a85 EW |
646 | push @re, (qr/\b(?:merge|merging|merged)\s+with\s+([\w\.\-]+)/i, |
647 | qr/\b(?:merge|merging|merged)\s+([\w\.\-]+)/i, | |
648 | qr/\b(?:from|of)\s+([\w\.\-]+)/i ); | |
9d55b41a EW |
649 | } |
650 | foreach my $u (keys %$l_map) { | |
651 | if (@re) { | |
652 | foreach my $p (keys %{$l_map->{$u}}) { | |
c1927a85 | 653 | graft_merge_msg($grafts,$l_map,$u,$p,@re); |
9d55b41a EW |
654 | } |
655 | } | |
a5e0cedc EW |
656 | unless ($_no_graft_copy) { |
657 | if ($_use_lib) { | |
658 | graft_file_copy_lib($grafts,$l_map,$u); | |
659 | } else { | |
660 | graft_file_copy_cmd($grafts,$l_map,$u); | |
661 | } | |
662 | } | |
9d55b41a | 663 | } |
c1927a85 | 664 | graft_tree_joins($grafts); |
9d55b41a EW |
665 | |
666 | write_grafts($grafts, $comments, $gr_file); | |
667 | unlink "$gr_file~$gr_sha1" if $gr_sha1; | |
668 | } | |
669 | ||
670 | sub multi_init { | |
671 | my $url = shift; | |
672 | $_trunk ||= 'trunk'; | |
673 | $_trunk =~ s#/+$##; | |
674 | $url =~ s#/+$## if $url; | |
675 | if ($_trunk !~ m#^[a-z\+]+://#) { | |
676 | $_trunk = '/' . $_trunk if ($_trunk !~ m#^/#); | |
677 | unless ($url) { | |
678 | print STDERR "E: '$_trunk' is not a complete URL ", | |
679 | "and a separate URL is not specified\n"; | |
680 | exit 1; | |
681 | } | |
682 | $_trunk = $url . $_trunk; | |
683 | } | |
684 | if ($GIT_SVN eq 'git-svn') { | |
685 | print "GIT_SVN_ID set to 'trunk' for $_trunk\n"; | |
686 | $GIT_SVN = $ENV{GIT_SVN_ID} = 'trunk'; | |
687 | } | |
688 | init_vars(); | |
689 | init($_trunk); | |
690 | complete_url_ls_init($url, $_branches, '--branches/-b', ''); | |
691 | complete_url_ls_init($url, $_tags, '--tags/-t', 'tags/'); | |
692 | } | |
693 | ||
694 | sub multi_fetch { | |
695 | # try to do trunk first, since branches/tags | |
696 | # may be descended from it. | |
cf7424b0 EW |
697 | if (-e "$GIT_DIR/svn/trunk/info/url") { |
698 | fetch_child_id('trunk', @_); | |
9d55b41a EW |
699 | } |
700 | rec_fetch('', "$GIT_DIR/svn", @_); | |
701 | } | |
702 | ||
79bb8d88 EW |
703 | sub show_log { |
704 | my (@args) = @_; | |
705 | my ($r_min, $r_max); | |
706 | my $r_last = -1; # prevent dupes | |
707 | rload_authors() if $_authors; | |
708 | if (defined $TZ) { | |
709 | $ENV{TZ} = $TZ; | |
710 | } else { | |
711 | delete $ENV{TZ}; | |
712 | } | |
713 | if (defined $_revision) { | |
714 | if ($_revision =~ /^(\d+):(\d+)$/) { | |
715 | ($r_min, $r_max) = ($1, $2); | |
716 | } elsif ($_revision =~ /^\d+$/) { | |
717 | $r_min = $r_max = $_revision; | |
718 | } else { | |
719 | print STDERR "-r$_revision is not supported, use ", | |
720 | "standard \'git log\' arguments instead\n"; | |
721 | exit 1; | |
722 | } | |
723 | } | |
724 | ||
725 | my $pid = open(my $log,'-|'); | |
726 | defined $pid or croak $!; | |
727 | if (!$pid) { | |
c0d48222 | 728 | exec(git_svn_log_cmd($r_min,$r_max), @args) or croak $!; |
79bb8d88 EW |
729 | } |
730 | setup_pager(); | |
731 | my (@k, $c, $d); | |
c0d48222 | 732 | |
79bb8d88 EW |
733 | while (<$log>) { |
734 | if (/^commit ($sha1_short)/o) { | |
735 | my $cmt = $1; | |
c0d48222 | 736 | if ($c && cmt_showable($c) && $c->{r} != $r_last) { |
79bb8d88 EW |
737 | $r_last = $c->{r}; |
738 | process_commit($c, $r_min, $r_max, \@k) or | |
739 | goto out; | |
740 | } | |
741 | $d = undef; | |
742 | $c = { c => $cmt }; | |
743 | } elsif (/^author (.+) (\d+) ([\-\+]?\d+)$/) { | |
744 | get_author_info($c, $1, $2, $3); | |
745 | } elsif (/^(?:tree|parent|committer) /) { | |
746 | # ignore | |
747 | } elsif (/^:\d{6} \d{6} $sha1_short/o) { | |
748 | push @{$c->{raw}}, $_; | |
749 | } elsif (/^diff /) { | |
750 | $d = 1; | |
751 | push @{$c->{diff}}, $_; | |
752 | } elsif ($d) { | |
753 | push @{$c->{diff}}, $_; | |
754 | } elsif (/^ (git-svn-id:.+)$/) { | |
c0d48222 | 755 | (undef, $c->{r}, undef) = extract_metadata($1); |
79bb8d88 EW |
756 | } elsif (s/^ //) { |
757 | push @{$c->{l}}, $_; | |
758 | } | |
759 | } | |
760 | if ($c && defined $c->{r} && $c->{r} != $r_last) { | |
761 | $r_last = $c->{r}; | |
762 | process_commit($c, $r_min, $r_max, \@k); | |
763 | } | |
764 | if (@k) { | |
765 | my $swap = $r_max; | |
766 | $r_max = $r_min; | |
767 | $r_min = $swap; | |
768 | process_commit($_, $r_min, $r_max) foreach reverse @k; | |
769 | } | |
770 | out: | |
771 | close $log; | |
772 | print '-' x72,"\n" unless $_incremental || $_oneline; | |
773 | } | |
774 | ||
27e9fb8d EW |
775 | sub commit_diff_usage { |
776 | print STDERR "Usage: $0 commit-diff <tree-ish> <tree-ish> [<URL>]\n"; | |
777 | exit 1 | |
778 | } | |
779 | ||
780 | sub commit_diff { | |
781 | if (!$_use_lib) { | |
782 | print STDERR "commit-diff must be used with SVN libraries\n"; | |
783 | exit 1; | |
784 | } | |
785 | my $ta = shift or commit_diff_usage(); | |
786 | my $tb = shift or commit_diff_usage(); | |
787 | if (!eval { $SVN_URL = shift || file_to_s("$GIT_SVN_DIR/info/url") }) { | |
788 | print STDERR "Needed URL or usable git-svn id command-line\n"; | |
789 | commit_diff_usage(); | |
790 | } | |
791 | if (defined $_message && defined $_file) { | |
792 | print STDERR "Both --message/-m and --file/-F specified ", | |
793 | "for the commit message.\n", | |
794 | "I have no idea what you mean\n"; | |
795 | exit 1; | |
796 | } | |
797 | if (defined $_file) { | |
4ad4515d | 798 | $_message = file_to_s($_file); |
27e9fb8d EW |
799 | } else { |
800 | $_message ||= get_commit_message($tb, | |
801 | "$GIT_DIR/.svn-commit.tmp.$$")->{msg}; | |
802 | } | |
803 | my $repo; | |
804 | ($repo, $SVN_PATH) = repo_path_split($SVN_URL); | |
805 | $SVN_LOG ||= libsvn_connect($repo); | |
806 | $SVN ||= libsvn_connect($repo); | |
807 | my @lock = $SVN::Core::VERSION ge '1.2.0' ? (undef, 0) : (); | |
808 | my $ed = SVN::Git::Editor->new({ r => $SVN->get_latest_revnum, | |
809 | ra => $SVN, c => $tb, | |
810 | svn_path => $SVN_PATH | |
811 | }, | |
812 | $SVN->get_commit_editor($_message, | |
813 | sub {print "Committed $_[0]\n"},@lock) | |
814 | ); | |
815 | my $mods = libsvn_checkout_tree($ta, $tb, $ed); | |
816 | if (@$mods == 0) { | |
817 | print "No changes\n$ta == $tb\n"; | |
818 | $ed->abort_edit; | |
819 | } else { | |
820 | $ed->close_edit; | |
821 | } | |
5f641ccc | 822 | $_message = $_file = undef; |
27e9fb8d EW |
823 | } |
824 | ||
3397f9df EW |
825 | ########################### utility functions ######################### |
826 | ||
c0d48222 EW |
827 | sub cmt_showable { |
828 | my ($c) = @_; | |
829 | return 1 if defined $c->{r}; | |
830 | if ($c->{l} && $c->{l}->[-1] eq "...\n" && | |
831 | $c->{a_raw} =~ /\@([a-f\d\-]+)>$/) { | |
832 | my @msg = safe_qx(qw/git-cat-file commit/, $c->{c}); | |
833 | shift @msg while ($msg[0] ne "\n"); | |
834 | shift @msg; | |
835 | @{$c->{l}} = grep !/^git-svn-id: /, @msg; | |
836 | ||
837 | (undef, $c->{r}, undef) = extract_metadata( | |
838 | (grep(/^git-svn-id: /, @msg))[-1]); | |
839 | } | |
840 | return defined $c->{r}; | |
841 | } | |
842 | ||
843 | sub git_svn_log_cmd { | |
844 | my ($r_min, $r_max) = @_; | |
845 | my @cmd = (qw/git-log --abbrev-commit --pretty=raw | |
846 | --default/, "refs/remotes/$GIT_SVN"); | |
847 | push @cmd, '--summary' if $_verbose; | |
848 | return @cmd unless defined $r_max; | |
849 | if ($r_max == $r_min) { | |
850 | push @cmd, '--max-count=1'; | |
851 | if (my $c = revdb_get($REVDB, $r_max)) { | |
852 | push @cmd, $c; | |
853 | } | |
854 | } else { | |
855 | my ($c_min, $c_max); | |
856 | $c_max = revdb_get($REVDB, $r_max); | |
857 | $c_min = revdb_get($REVDB, $r_min); | |
858 | if ($c_min && $c_max) { | |
859 | if ($r_max > $r_max) { | |
860 | push @cmd, "$c_min..$c_max"; | |
861 | } else { | |
862 | push @cmd, "$c_max..$c_min"; | |
863 | } | |
864 | } elsif ($r_max > $r_min) { | |
865 | push @cmd, $c_max; | |
866 | } else { | |
867 | push @cmd, $c_min; | |
868 | } | |
869 | } | |
870 | return @cmd; | |
871 | } | |
872 | ||
cf7424b0 EW |
873 | sub fetch_child_id { |
874 | my $id = shift; | |
875 | print "Fetching $id\n"; | |
876 | my $ref = "$GIT_DIR/refs/remotes/$id"; | |
a00439ac | 877 | defined(my $pid = open my $fh, '-|') or croak $!; |
cf7424b0 | 878 | if (!$pid) { |
a00439ac | 879 | $_repack = undef; |
cf7424b0 EW |
880 | $GIT_SVN = $ENV{GIT_SVN_ID} = $id; |
881 | init_vars(); | |
882 | fetch(@_); | |
883 | exit 0; | |
884 | } | |
cf7424b0 | 885 | while (<$fh>) { |
a00439ac EW |
886 | print $_; |
887 | check_repack() if (/^r\d+ = $sha1/); | |
cf7424b0 | 888 | } |
a00439ac | 889 | close $fh or croak $?; |
cf7424b0 EW |
890 | } |
891 | ||
9d55b41a EW |
892 | sub rec_fetch { |
893 | my ($pfx, $p, @args) = @_; | |
894 | my @dir; | |
895 | foreach (sort <$p/*>) { | |
896 | if (-r "$_/info/url") { | |
897 | $pfx .= '/' if $pfx && $pfx !~ m!/$!; | |
898 | my $id = $pfx . basename $_; | |
899 | next if $id eq 'trunk'; | |
cf7424b0 | 900 | fetch_child_id($id, @args); |
9d55b41a EW |
901 | } elsif (-d $_) { |
902 | push @dir, $_; | |
903 | } | |
904 | } | |
905 | foreach (@dir) { | |
906 | my $x = $_; | |
907 | $x =~ s!^\Q$GIT_DIR\E/svn/!!; | |
908 | rec_fetch($x, $_); | |
909 | } | |
910 | } | |
911 | ||
912 | sub complete_url_ls_init { | |
913 | my ($url, $var, $switch, $pfx) = @_; | |
914 | unless ($var) { | |
915 | print STDERR "W: $switch not specified\n"; | |
916 | return; | |
917 | } | |
918 | $var =~ s#/+$##; | |
919 | if ($var !~ m#^[a-z\+]+://#) { | |
920 | $var = '/' . $var if ($var !~ m#^/#); | |
921 | unless ($url) { | |
922 | print STDERR "E: '$var' is not a complete URL ", | |
923 | "and a separate URL is not specified\n"; | |
924 | exit 1; | |
925 | } | |
926 | $var = $url . $var; | |
927 | } | |
a5e0cedc EW |
928 | chomp(my @ls = $_use_lib ? libsvn_ls_fullurl($var) |
929 | : safe_qx(qw/svn ls --non-interactive/, $var)); | |
9d55b41a EW |
930 | my $old = $GIT_SVN; |
931 | defined(my $pid = fork) or croak $!; | |
932 | if (!$pid) { | |
933 | foreach my $u (map { "$var/$_" } (grep m!/$!, @ls)) { | |
934 | $u =~ s#/+$##; | |
935 | if ($u !~ m!\Q$var\E/(.+)$!) { | |
936 | print STDERR "W: Unrecognized URL: $u\n"; | |
937 | die "This should never happen\n"; | |
938 | } | |
939 | my $id = $pfx.$1; | |
940 | print "init $u => $id\n"; | |
941 | $GIT_SVN = $ENV{GIT_SVN_ID} = $id; | |
942 | init_vars(); | |
943 | init($u); | |
944 | } | |
945 | exit 0; | |
946 | } | |
947 | waitpid $pid, 0; | |
948 | croak $? if $?; | |
949 | } | |
950 | ||
951 | sub common_prefix { | |
952 | my $paths = shift; | |
953 | my %common; | |
954 | foreach (@$paths) { | |
955 | my @tmp = split m#/#, $_; | |
956 | my $p = ''; | |
957 | while (my $x = shift @tmp) { | |
958 | $p .= "/$x"; | |
959 | $common{$p} ||= 0; | |
960 | $common{$p}++; | |
961 | } | |
962 | } | |
963 | foreach (sort {length $b <=> length $a} keys %common) { | |
964 | if ($common{$_} == @$paths) { | |
965 | return $_; | |
966 | } | |
967 | } | |
968 | return ''; | |
969 | } | |
970 | ||
c1927a85 EW |
971 | # grafts set here are 'stronger' in that they're based on actual tree |
972 | # matches, and won't be deleted from merge-base checking in write_grafts() | |
973 | sub graft_tree_joins { | |
974 | my $grafts = shift; | |
975 | map_tree_joins() if (@_branch_from && !%tree_map); | |
976 | return unless %tree_map; | |
977 | ||
978 | git_svn_each(sub { | |
979 | my $i = shift; | |
980 | defined(my $pid = open my $fh, '-|') or croak $!; | |
981 | if (!$pid) { | |
982 | exec qw/git-rev-list --pretty=raw/, | |
983 | "refs/remotes/$i" or croak $!; | |
984 | } | |
985 | while (<$fh>) { | |
986 | next unless /^commit ($sha1)$/o; | |
987 | my $c = $1; | |
988 | my ($t) = (<$fh> =~ /^tree ($sha1)$/o); | |
989 | next unless $tree_map{$t}; | |
990 | ||
991 | my $l; | |
992 | do { | |
993 | $l = readline $fh; | |
994 | } until ($l =~ /^committer (?:.+) (\d+) ([\-\+]?\d+)$/); | |
995 | ||
996 | my ($s, $tz) = ($1, $2); | |
997 | if ($tz =~ s/^\+//) { | |
998 | $s += tz_to_s_offset($tz); | |
999 | } elsif ($tz =~ s/^\-//) { | |
1000 | $s -= tz_to_s_offset($tz); | |
1001 | } | |
1002 | ||
1003 | my ($url_a, $r_a, $uuid_a) = cmt_metadata($c); | |
1004 | ||
1005 | foreach my $p (@{$tree_map{$t}}) { | |
1006 | next if $p eq $c; | |
1007 | my $mb = eval { | |
1008 | safe_qx('git-merge-base', $c, $p) | |
1009 | }; | |
1010 | next unless ($@ || $?); | |
1011 | if (defined $r_a) { | |
1012 | # see if SVN says it's a relative | |
1013 | my ($url_b, $r_b, $uuid_b) = | |
1014 | cmt_metadata($p); | |
1015 | next if (defined $url_b && | |
1016 | defined $url_a && | |
1017 | ($url_a eq $url_b) && | |
1018 | ($uuid_a eq $uuid_b)); | |
1019 | if ($uuid_a eq $uuid_b) { | |
1020 | if ($r_b < $r_a) { | |
1021 | $grafts->{$c}->{$p} = 2; | |
1022 | next; | |
1023 | } elsif ($r_b > $r_a) { | |
1024 | $grafts->{$p}->{$c} = 2; | |
1025 | next; | |
1026 | } | |
1027 | } | |
1028 | } | |
1029 | my $ct = get_commit_time($p); | |
1030 | if ($ct < $s) { | |
1031 | $grafts->{$c}->{$p} = 2; | |
1032 | } elsif ($ct > $s) { | |
1033 | $grafts->{$p}->{$c} = 2; | |
1034 | } | |
1035 | # what should we do when $ct == $s ? | |
1036 | } | |
1037 | } | |
1038 | close $fh or croak $?; | |
1039 | }); | |
1040 | } | |
1041 | ||
9d55b41a | 1042 | # this isn't funky-filename safe, but good enough for now... |
a5e0cedc | 1043 | sub graft_file_copy_cmd { |
9d55b41a EW |
1044 | my ($grafts, $l_map, $u) = @_; |
1045 | my $paths = $l_map->{$u}; | |
1046 | my $pfx = common_prefix([keys %$paths]); | |
42d32870 | 1047 | $SVN_URL ||= $u.$pfx; |
9d55b41a EW |
1048 | my $pid = open my $fh, '-|'; |
1049 | defined $pid or croak $!; | |
1050 | unless ($pid) { | |
a5e0cedc EW |
1051 | my @exec = qw/svn log -v/; |
1052 | push @exec, "-r$_revision" if defined $_revision; | |
1053 | exec @exec, $u.$pfx or croak $!; | |
9d55b41a EW |
1054 | } |
1055 | my ($r, $mp) = (undef, undef); | |
1056 | while (<$fh>) { | |
1057 | chomp; | |
1058 | if (/^\-{72}$/) { | |
1059 | $mp = $r = undef; | |
1060 | } elsif (/^r(\d+) \| /) { | |
1061 | $r = $1 unless defined $r; | |
1062 | } elsif (/^Changed paths:/) { | |
1063 | $mp = 1; | |
1064 | } elsif ($mp && m#^ [AR] /(\S.*?) \(from /(\S+?):(\d+)\)$#) { | |
9d55b41a | 1065 | my ($p1, $p0, $r0) = ($1, $2, $3); |
a5e0cedc | 1066 | my $c = find_graft_path_commit($paths, $p1, $r); |
9d55b41a | 1067 | next unless $c; |
a5e0cedc | 1068 | find_graft_path_parents($grafts, $paths, $c, $p0, $r0); |
9d55b41a EW |
1069 | } |
1070 | } | |
1071 | } | |
1072 | ||
a5e0cedc EW |
1073 | sub graft_file_copy_lib { |
1074 | my ($grafts, $l_map, $u) = @_; | |
1075 | my $tree_paths = $l_map->{$u}; | |
1076 | my $pfx = common_prefix([keys %$tree_paths]); | |
1077 | my ($repo, $path) = repo_path_split($u.$pfx); | |
1078 | $SVN_LOG ||= libsvn_connect($repo); | |
1079 | $SVN ||= libsvn_connect($repo); | |
1080 | ||
1081 | my ($base, $head) = libsvn_parse_revision(); | |
1082 | my $inc = 1000; | |
1083 | my ($min, $max) = ($base, $head < $base+$inc ? $head : $base+$inc); | |
42d32870 EW |
1084 | my $eh = $SVN::Error::handler; |
1085 | $SVN::Error::handler = \&libsvn_skip_unknown_revs; | |
a5e0cedc EW |
1086 | while (1) { |
1087 | my $pool = SVN::Pool->new; | |
dc62e25c | 1088 | libsvn_get_log($SVN_LOG, "/$path", $min, $max, 0, 1, 1, |
a5e0cedc EW |
1089 | sub { |
1090 | libsvn_graft_file_copies($grafts, $tree_paths, | |
1091 | $path, @_); | |
1092 | }, $pool); | |
1093 | $pool->clear; | |
1094 | last if ($max >= $head); | |
1095 | $min = $max + 1; | |
1096 | $max += $inc; | |
1097 | $max = $head if ($max > $head); | |
1098 | } | |
42d32870 | 1099 | $SVN::Error::handler = $eh; |
a5e0cedc EW |
1100 | } |
1101 | ||
9d55b41a EW |
1102 | sub process_merge_msg_matches { |
1103 | my ($grafts, $l_map, $u, $p, $c, @matches) = @_; | |
1104 | my (@strong, @weak); | |
1105 | foreach (@matches) { | |
1106 | # merging with ourselves is not interesting | |
1107 | next if $_ eq $p; | |
1108 | if ($l_map->{$u}->{$_}) { | |
1109 | push @strong, $_; | |
1110 | } else { | |
1111 | push @weak, $_; | |
1112 | } | |
1113 | } | |
1114 | foreach my $w (@weak) { | |
1115 | last if @strong; | |
1116 | # no exact match, use branch name as regexp. | |
1117 | my $re = qr/\Q$w\E/i; | |
1118 | foreach (keys %{$l_map->{$u}}) { | |
1119 | if (/$re/) { | |
c1927a85 | 1120 | push @strong, $l_map->{$u}->{$_}; |
9d55b41a EW |
1121 | last; |
1122 | } | |
1123 | } | |
1124 | last if @strong; | |
1125 | $w = basename($w); | |
1126 | $re = qr/\Q$w\E/i; | |
1127 | foreach (keys %{$l_map->{$u}}) { | |
1128 | if (/$re/) { | |
c1927a85 | 1129 | push @strong, $l_map->{$u}->{$_}; |
9d55b41a EW |
1130 | last; |
1131 | } | |
1132 | } | |
1133 | } | |
1134 | my ($rev) = ($c->{m} =~ /^git-svn-id:\s(?:\S+?)\@(\d+) | |
1135 | \s(?:[a-f\d\-]+)$/xsm); | |
1136 | unless (defined $rev) { | |
1137 | ($rev) = ($c->{m} =~/^git-svn-id:\s(\d+) | |
1138 | \@(?:[a-f\d\-]+)/xsm); | |
1139 | return unless defined $rev; | |
1140 | } | |
1141 | foreach my $m (@strong) { | |
c1927a85 | 1142 | my ($r0, $s0) = find_rev_before($rev, $m, 1); |
9d55b41a EW |
1143 | $grafts->{$c->{c}}->{$s0} = 1 if defined $s0; |
1144 | } | |
1145 | } | |
1146 | ||
1147 | sub graft_merge_msg { | |
1148 | my ($grafts, $l_map, $u, $p, @re) = @_; | |
1149 | ||
1150 | my $x = $l_map->{$u}->{$p}; | |
1151 | my $rl = rev_list_raw($x); | |
1152 | while (my $c = next_rev_list_entry($rl)) { | |
1153 | foreach my $re (@re) { | |
1154 | my (@br) = ($c->{m} =~ /$re/g); | |
1155 | next unless @br; | |
1156 | process_merge_msg_matches($grafts,$l_map,$u,$p,$c,@br); | |
1157 | } | |
1158 | } | |
1159 | } | |
1160 | ||
1d52aba8 EW |
1161 | sub read_uuid { |
1162 | return if $SVN_UUID; | |
a5e0cedc EW |
1163 | if ($_use_lib) { |
1164 | my $pool = SVN::Pool->new; | |
1165 | $SVN_UUID = $SVN->get_uuid($pool); | |
1166 | $pool->clear; | |
1167 | } else { | |
1168 | my $info = shift || svn_info('.'); | |
1169 | $SVN_UUID = $info->{'Repository UUID'} or | |
1d52aba8 | 1170 | croak "Repository UUID unreadable\n"; |
a5e0cedc | 1171 | } |
883d0a78 EW |
1172 | } |
1173 | ||
1174 | sub quiet_run { | |
1175 | my $pid = fork; | |
1176 | defined $pid or croak $!; | |
1177 | if (!$pid) { | |
1178 | open my $null, '>', '/dev/null' or croak $!; | |
1179 | open STDERR, '>&', $null or croak $!; | |
1180 | open STDOUT, '>&', $null or croak $!; | |
1181 | exec @_ or croak $!; | |
1182 | } | |
1183 | waitpid $pid, 0; | |
1184 | return $?; | |
1185 | } | |
1186 | ||
1187 | sub repo_path_split { | |
1188 | my $full_url = shift; | |
1189 | $full_url =~ s#/+$##; | |
1190 | ||
1191 | foreach (@repo_path_split_cache) { | |
1192 | if ($full_url =~ s#$_##) { | |
1193 | my $u = $1; | |
1194 | $full_url =~ s#^/+##; | |
1195 | return ($u, $full_url); | |
1196 | } | |
1197 | } | |
1198 | ||
a5e0cedc | 1199 | if ($_use_lib) { |
a69a165f EW |
1200 | my $tmp = libsvn_connect($full_url); |
1201 | my $url = $tmp->get_repos_root; | |
1202 | $full_url =~ s#^\Q$url\E/*##; | |
1203 | push @repo_path_split_cache, qr/^(\Q$url\E)/; | |
1204 | return ($url, $full_url); | |
a5e0cedc | 1205 | } else { |
a69a165f EW |
1206 | my ($url, $path) = ($full_url =~ m!^([a-z\+]+://[^/]*)(.*)$!i); |
1207 | $path =~ s#^/+##; | |
1208 | my @paths = split(m#/+#, $path); | |
a5e0cedc EW |
1209 | while (quiet_run(qw/svn ls --non-interactive/, $url)) { |
1210 | my $n = shift @paths || last; | |
1211 | $url .= "/$n"; | |
1212 | } | |
a69a165f EW |
1213 | push @repo_path_split_cache, qr/^(\Q$url\E)/; |
1214 | $path = join('/',@paths); | |
1215 | return ($url, $path); | |
883d0a78 | 1216 | } |
1d52aba8 EW |
1217 | } |
1218 | ||
3397f9df EW |
1219 | sub setup_git_svn { |
1220 | defined $SVN_URL or croak "SVN repository location required\n"; | |
1221 | unless (-d $GIT_DIR) { | |
1222 | croak "GIT_DIR=$GIT_DIR does not exist!\n"; | |
1223 | } | |
883d0a78 EW |
1224 | mkpath([$GIT_SVN_DIR]); |
1225 | mkpath(["$GIT_SVN_DIR/info"]); | |
42d32870 EW |
1226 | open my $fh, '>>',$REVDB or croak $!; |
1227 | close $fh; | |
883d0a78 | 1228 | s_to_file($SVN_URL,"$GIT_SVN_DIR/info/url"); |
3397f9df | 1229 | |
3397f9df EW |
1230 | } |
1231 | ||
1232 | sub assert_svn_wc_clean { | |
a5e0cedc | 1233 | return if $_use_lib; |
36f5b1f0 | 1234 | my ($svn_rev) = @_; |
3397f9df | 1235 | croak "$svn_rev is not an integer!\n" unless ($svn_rev =~ /^\d+$/); |
ce4c8b24 EW |
1236 | my $lcr = svn_info('.')->{'Last Changed Rev'}; |
1237 | if ($svn_rev != $lcr) { | |
1238 | print STDERR "Checking for copy-tree ... "; | |
ce4c8b24 EW |
1239 | my @diff = grep(/^Index: /,(safe_qx(qw(svn diff), |
1240 | "-r$lcr:$svn_rev"))); | |
1241 | if (@diff) { | |
1242 | croak "Nope! Expected r$svn_rev, got r$lcr\n"; | |
1243 | } else { | |
1244 | print STDERR "OK!\n"; | |
1245 | } | |
3397f9df EW |
1246 | } |
1247 | my @status = grep(!/^Performing status on external/,(`svn status`)); | |
1248 | @status = grep(!/^\s*$/,@status); | |
1249 | if (scalar @status) { | |
1250 | print STDERR "Tree ($SVN_WC) is not clean:\n"; | |
1251 | print STDERR $_ foreach @status; | |
1252 | croak; | |
1253 | } | |
cf52b8f0 EW |
1254 | } |
1255 | ||
a5e0cedc | 1256 | sub get_tree_from_treeish { |
cf52b8f0 EW |
1257 | my ($treeish) = @_; |
1258 | croak "Not a sha1: $treeish\n" unless $treeish =~ /^$sha1$/o; | |
1259 | chomp(my $type = `git-cat-file -t $treeish`); | |
1260 | my $expected; | |
1261 | while ($type eq 'tag') { | |
1262 | chomp(($treeish, $type) = `git-cat-file tag $treeish`); | |
1263 | } | |
1264 | if ($type eq 'commit') { | |
1265 | $expected = (grep /^tree /,`git-cat-file commit $treeish`)[0]; | |
1266 | ($expected) = ($expected =~ /^tree ($sha1)$/); | |
1267 | die "Unable to get tree from $treeish\n" unless $expected; | |
1268 | } elsif ($type eq 'tree') { | |
1269 | $expected = $treeish; | |
1270 | } else { | |
1271 | die "$treeish is a $type, expected tree, tag or commit\n"; | |
1272 | } | |
a5e0cedc EW |
1273 | return $expected; |
1274 | } | |
1275 | ||
1276 | sub assert_tree { | |
1277 | return if $_use_lib; | |
1278 | my ($treeish) = @_; | |
1279 | my $expected = get_tree_from_treeish($treeish); | |
cf52b8f0 | 1280 | |
cf52b8f0 EW |
1281 | my $tmpindex = $GIT_SVN_INDEX.'.assert-tmp'; |
1282 | if (-e $tmpindex) { | |
1283 | unlink $tmpindex or croak $!; | |
1284 | } | |
a5e0cedc | 1285 | my $old_index = set_index($tmpindex); |
36f5b1f0 | 1286 | index_changes(1); |
cf52b8f0 | 1287 | chomp(my $tree = `git-write-tree`); |
a5e0cedc | 1288 | restore_index($old_index); |
cf52b8f0 EW |
1289 | if ($tree ne $expected) { |
1290 | croak "Tree mismatch, Got: $tree, Expected: $expected\n"; | |
3397f9df | 1291 | } |
36f5b1f0 | 1292 | unlink $tmpindex; |
3397f9df EW |
1293 | } |
1294 | ||
1295 | sub parse_diff_tree { | |
1296 | my $diff_fh = shift; | |
1297 | local $/ = "\0"; | |
1298 | my $state = 'meta'; | |
1299 | my @mods; | |
1300 | while (<$diff_fh>) { | |
1301 | chomp $_; # this gets rid of the trailing "\0" | |
3397f9df EW |
1302 | if ($state eq 'meta' && /^:(\d{6})\s(\d{6})\s |
1303 | $sha1\s($sha1)\s([MTCRAD])\d*$/xo) { | |
1304 | push @mods, { mode_a => $1, mode_b => $2, | |
1305 | sha1_b => $3, chg => $4 }; | |
1306 | if ($4 =~ /^(?:C|R)$/) { | |
1307 | $state = 'file_a'; | |
1308 | } else { | |
1309 | $state = 'file_b'; | |
1310 | } | |
1311 | } elsif ($state eq 'file_a') { | |
cf52b8f0 | 1312 | my $x = $mods[$#mods] or croak "Empty array\n"; |
3397f9df | 1313 | if ($x->{chg} !~ /^(?:C|R)$/) { |
cf52b8f0 | 1314 | croak "Error parsing $_, $x->{chg}\n"; |
3397f9df EW |
1315 | } |
1316 | $x->{file_a} = $_; | |
1317 | $state = 'file_b'; | |
1318 | } elsif ($state eq 'file_b') { | |
cf52b8f0 | 1319 | my $x = $mods[$#mods] or croak "Empty array\n"; |
3397f9df | 1320 | if (exists $x->{file_a} && $x->{chg} !~ /^(?:C|R)$/) { |
cf52b8f0 | 1321 | croak "Error parsing $_, $x->{chg}\n"; |
3397f9df EW |
1322 | } |
1323 | if (!exists $x->{file_a} && $x->{chg} =~ /^(?:C|R)$/) { | |
cf52b8f0 | 1324 | croak "Error parsing $_, $x->{chg}\n"; |
3397f9df EW |
1325 | } |
1326 | $x->{file_b} = $_; | |
1327 | $state = 'meta'; | |
1328 | } else { | |
cf52b8f0 | 1329 | croak "Error parsing $_\n"; |
3397f9df EW |
1330 | } |
1331 | } | |
cf7424b0 | 1332 | close $diff_fh or croak $?; |
cf52b8f0 | 1333 | |
3397f9df EW |
1334 | return \@mods; |
1335 | } | |
1336 | ||
1337 | sub svn_check_prop_executable { | |
1338 | my $m = shift; | |
cf52b8f0 EW |
1339 | return if -l $m->{file_b}; |
1340 | if ($m->{mode_b} =~ /755$/) { | |
1341 | chmod((0755 &~ umask),$m->{file_b}) or croak $!; | |
1342 | if ($m->{mode_a} !~ /755$/) { | |
1343 | sys(qw(svn propset svn:executable 1), $m->{file_b}); | |
1344 | } | |
1345 | -x $m->{file_b} or croak "$m->{file_b} is not executable!\n"; | |
3397f9df EW |
1346 | } elsif ($m->{mode_b} !~ /755$/ && $m->{mode_a} =~ /755$/) { |
1347 | sys(qw(svn propdel svn:executable), $m->{file_b}); | |
cf52b8f0 EW |
1348 | chmod((0644 &~ umask),$m->{file_b}) or croak $!; |
1349 | -x $m->{file_b} and croak "$m->{file_b} is executable!\n"; | |
3397f9df EW |
1350 | } |
1351 | } | |
1352 | ||
1353 | sub svn_ensure_parent_path { | |
1354 | my $dir_b = dirname(shift); | |
1355 | svn_ensure_parent_path($dir_b) if ($dir_b ne File::Spec->curdir); | |
1356 | mkpath([$dir_b]) unless (-d $dir_b); | |
1357 | sys(qw(svn add -N), $dir_b) unless (-d "$dir_b/.svn"); | |
1358 | } | |
1359 | ||
cf52b8f0 EW |
1360 | sub precommit_check { |
1361 | my $mods = shift; | |
1362 | my (%rm_file, %rmdir_check, %added_check); | |
1363 | ||
1364 | my %o = ( D => 0, R => 1, C => 2, A => 3, M => 3, T => 3 ); | |
1365 | foreach my $m (sort { $o{$a->{chg}} <=> $o{$b->{chg}} } @$mods) { | |
1366 | if ($m->{chg} eq 'R') { | |
1367 | if (-d $m->{file_b}) { | |
1368 | err_dir_to_file("$m->{file_a} => $m->{file_b}"); | |
1369 | } | |
1370 | # dir/$file => dir/file/$file | |
1371 | my $dirname = dirname($m->{file_b}); | |
1372 | while ($dirname ne File::Spec->curdir) { | |
1373 | if ($dirname ne $m->{file_a}) { | |
1374 | $dirname = dirname($dirname); | |
1375 | next; | |
1376 | } | |
1377 | err_file_to_dir("$m->{file_a} => $m->{file_b}"); | |
1378 | } | |
1379 | # baz/zzz => baz (baz is a file) | |
1380 | $dirname = dirname($m->{file_a}); | |
1381 | while ($dirname ne File::Spec->curdir) { | |
1382 | if ($dirname ne $m->{file_b}) { | |
1383 | $dirname = dirname($dirname); | |
1384 | next; | |
1385 | } | |
1386 | err_dir_to_file("$m->{file_a} => $m->{file_b}"); | |
1387 | } | |
1388 | } | |
1389 | if ($m->{chg} =~ /^(D|R)$/) { | |
1390 | my $t = $1 eq 'D' ? 'file_b' : 'file_a'; | |
1391 | $rm_file{ $m->{$t} } = 1; | |
1392 | my $dirname = dirname( $m->{$t} ); | |
1393 | my $basename = basename( $m->{$t} ); | |
1394 | $rmdir_check{$dirname}->{$basename} = 1; | |
1395 | } elsif ($m->{chg} =~ /^(?:A|C)$/) { | |
1396 | if (-d $m->{file_b}) { | |
1397 | err_dir_to_file($m->{file_b}); | |
1398 | } | |
1399 | my $dirname = dirname( $m->{file_b} ); | |
1400 | my $basename = basename( $m->{file_b} ); | |
1401 | $added_check{$dirname}->{$basename} = 1; | |
1402 | while ($dirname ne File::Spec->curdir) { | |
1403 | if ($rm_file{$dirname}) { | |
1404 | err_file_to_dir($m->{file_b}); | |
1405 | } | |
1406 | $dirname = dirname $dirname; | |
1407 | } | |
1408 | } | |
1409 | } | |
1410 | return (\%rmdir_check, \%added_check); | |
1411 | ||
1412 | sub err_dir_to_file { | |
1413 | my $file = shift; | |
1414 | print STDERR "Node change from directory to file ", | |
1415 | "is not supported by Subversion: ",$file,"\n"; | |
1416 | exit 1; | |
1417 | } | |
1418 | sub err_file_to_dir { | |
1419 | my $file = shift; | |
1420 | print STDERR "Node change from file to directory ", | |
1421 | "is not supported by Subversion: ",$file,"\n"; | |
1422 | exit 1; | |
1423 | } | |
1424 | } | |
1425 | ||
a5e0cedc EW |
1426 | |
1427 | sub get_diff { | |
42d32870 | 1428 | my ($from, $treeish) = @_; |
36f5b1f0 | 1429 | assert_tree($from); |
ac8e0b91 | 1430 | print "diff-tree $from $treeish\n"; |
3397f9df EW |
1431 | my $pid = open my $diff_fh, '-|'; |
1432 | defined $pid or croak $!; | |
1433 | if ($pid == 0) { | |
162f4129 EW |
1434 | my @diff_tree = qw(git-diff-tree -z -r); |
1435 | if ($_cp_similarity) { | |
1436 | push @diff_tree, "-C$_cp_similarity"; | |
1437 | } else { | |
1438 | push @diff_tree, '-C'; | |
1439 | } | |
72942938 EW |
1440 | push @diff_tree, '--find-copies-harder' if $_find_copies_harder; |
1441 | push @diff_tree, "-l$_l" if defined $_l; | |
cf52b8f0 | 1442 | exec(@diff_tree, $from, $treeish) or croak $!; |
3397f9df | 1443 | } |
a5e0cedc EW |
1444 | return parse_diff_tree($diff_fh); |
1445 | } | |
1446 | ||
1447 | sub svn_checkout_tree { | |
42d32870 EW |
1448 | my ($from, $treeish) = @_; |
1449 | my $mods = get_diff($from->{commit}, $treeish); | |
a5e0cedc | 1450 | return $mods unless (scalar @$mods); |
cf52b8f0 EW |
1451 | my ($rm, $add) = precommit_check($mods); |
1452 | ||
1453 | my %o = ( D => 1, R => 0, C => -1, A => 3, M => 3, T => 3 ); | |
1454 | foreach my $m (sort { $o{$a->{chg}} <=> $o{$b->{chg}} } @$mods) { | |
3397f9df EW |
1455 | if ($m->{chg} eq 'C') { |
1456 | svn_ensure_parent_path( $m->{file_b} ); | |
1457 | sys(qw(svn cp), $m->{file_a}, $m->{file_b}); | |
cf52b8f0 | 1458 | apply_mod_line_blob($m); |
3397f9df EW |
1459 | svn_check_prop_executable($m); |
1460 | } elsif ($m->{chg} eq 'D') { | |
3397f9df EW |
1461 | sys(qw(svn rm --force), $m->{file_b}); |
1462 | } elsif ($m->{chg} eq 'R') { | |
1463 | svn_ensure_parent_path( $m->{file_b} ); | |
1464 | sys(qw(svn mv --force), $m->{file_a}, $m->{file_b}); | |
cf52b8f0 | 1465 | apply_mod_line_blob($m); |
3397f9df | 1466 | svn_check_prop_executable($m); |
3397f9df | 1467 | } elsif ($m->{chg} eq 'M') { |
cf52b8f0 | 1468 | apply_mod_line_blob($m); |
3397f9df EW |
1469 | svn_check_prop_executable($m); |
1470 | } elsif ($m->{chg} eq 'T') { | |
1471 | sys(qw(svn rm --force),$m->{file_b}); | |
cf52b8f0 | 1472 | apply_mod_line_blob($m); |
0e8a002c | 1473 | sys(qw(svn add), $m->{file_b}); |
cf52b8f0 | 1474 | svn_check_prop_executable($m); |
3397f9df EW |
1475 | } elsif ($m->{chg} eq 'A') { |
1476 | svn_ensure_parent_path( $m->{file_b} ); | |
cf52b8f0 | 1477 | apply_mod_line_blob($m); |
0e8a002c | 1478 | sys(qw(svn add), $m->{file_b}); |
cf52b8f0 | 1479 | svn_check_prop_executable($m); |
3397f9df EW |
1480 | } else { |
1481 | croak "Invalid chg: $m->{chg}\n"; | |
1482 | } | |
1483 | } | |
cf52b8f0 EW |
1484 | |
1485 | assert_tree($treeish); | |
1486 | if ($_rmdir) { # remove empty directories | |
1487 | handle_rmdir($rm, $add); | |
1488 | } | |
1489 | assert_tree($treeish); | |
1490 | return $mods; | |
1491 | } | |
1492 | ||
a5e0cedc | 1493 | sub libsvn_checkout_tree { |
42d32870 EW |
1494 | my ($from, $treeish, $ed) = @_; |
1495 | my $mods = get_diff($from, $treeish); | |
a5e0cedc EW |
1496 | return $mods unless (scalar @$mods); |
1497 | my %o = ( D => 1, R => 0, C => -1, A => 3, M => 3, T => 3 ); | |
1498 | foreach my $m (sort { $o{$a->{chg}} <=> $o{$b->{chg}} } @$mods) { | |
1499 | my $f = $m->{chg}; | |
1500 | if (defined $o{$f}) { | |
80f50749 | 1501 | $ed->$f($m, $_q); |
a5e0cedc EW |
1502 | } else { |
1503 | croak "Invalid change type: $f\n"; | |
1504 | } | |
1505 | } | |
80f50749 | 1506 | $ed->rmdirs($_q) if $_rmdir; |
a5e0cedc EW |
1507 | return $mods; |
1508 | } | |
1509 | ||
cf52b8f0 EW |
1510 | # svn ls doesn't work with respect to the current working tree, but what's |
1511 | # in the repository. There's not even an option for it... *sigh* | |
1512 | # (added files don't show up and removed files remain in the ls listing) | |
1513 | sub svn_ls_current { | |
1514 | my ($dir, $rm, $add) = @_; | |
1515 | chomp(my @ls = safe_qx('svn','ls',$dir)); | |
1516 | my @ret = (); | |
1517 | foreach (@ls) { | |
1518 | s#/$##; # trailing slashes are evil | |
1519 | push @ret, $_ unless $rm->{$dir}->{$_}; | |
1520 | } | |
1521 | if (exists $add->{$dir}) { | |
1522 | push @ret, keys %{$add->{$dir}}; | |
1523 | } | |
1524 | return \@ret; | |
1525 | } | |
1526 | ||
1527 | sub handle_rmdir { | |
1528 | my ($rm, $add) = @_; | |
1529 | ||
1530 | foreach my $dir (sort {length $b <=> length $a} keys %$rm) { | |
1531 | my $ls = svn_ls_current($dir, $rm, $add); | |
1532 | next if (scalar @$ls); | |
1533 | sys(qw(svn rm --force),$dir); | |
1534 | ||
1535 | my $dn = dirname $dir; | |
1536 | $rm->{ $dn }->{ basename $dir } = 1; | |
1537 | $ls = svn_ls_current($dn, $rm, $add); | |
1538 | while (scalar @$ls == 0 && $dn ne File::Spec->curdir) { | |
1539 | sys(qw(svn rm --force),$dn); | |
1540 | $dir = basename $dn; | |
1541 | $dn = dirname $dn; | |
1542 | $rm->{ $dn }->{ $dir } = 1; | |
1543 | $ls = svn_ls_current($dn, $rm, $add); | |
3397f9df EW |
1544 | } |
1545 | } | |
1546 | } | |
1547 | ||
a5e0cedc EW |
1548 | sub get_commit_message { |
1549 | my ($commit, $commit_msg) = (@_); | |
e17512f3 | 1550 | my %log_msg = ( msg => '' ); |
ac8e0b91 | 1551 | open my $msg, '>', $commit_msg or croak $!; |
3397f9df EW |
1552 | |
1553 | chomp(my $type = `git-cat-file -t $commit`); | |
4ad4515d | 1554 | if ($type eq 'commit' || $type eq 'tag') { |
3397f9df EW |
1555 | my $pid = open my $msg_fh, '-|'; |
1556 | defined $pid or croak $!; | |
1557 | ||
1558 | if ($pid == 0) { | |
4ad4515d | 1559 | exec('git-cat-file', $type, $commit) or croak $!; |
3397f9df EW |
1560 | } |
1561 | my $in_msg = 0; | |
1562 | while (<$msg_fh>) { | |
1563 | if (!$in_msg) { | |
1564 | $in_msg = 1 if (/^\s*$/); | |
df746c5a EW |
1565 | } elsif (/^git-svn-id: /) { |
1566 | # skip this, we regenerate the correct one | |
1567 | # on re-fetch anyways | |
3397f9df EW |
1568 | } else { |
1569 | print $msg $_ or croak $!; | |
1570 | } | |
1571 | } | |
cf7424b0 | 1572 | close $msg_fh or croak $?; |
3397f9df EW |
1573 | } |
1574 | close $msg or croak $!; | |
1575 | ||
1576 | if ($_edit || ($type eq 'tree')) { | |
1577 | my $editor = $ENV{VISUAL} || $ENV{EDITOR} || 'vi'; | |
1578 | system($editor, $commit_msg); | |
1579 | } | |
ac8e0b91 EW |
1580 | |
1581 | # file_to_s removes all trailing newlines, so just use chomp() here: | |
1582 | open $msg, '<', $commit_msg or croak $!; | |
1583 | { local $/; chomp($log_msg{msg} = <$msg>); } | |
1584 | close $msg or croak $!; | |
1585 | ||
a5e0cedc EW |
1586 | return \%log_msg; |
1587 | } | |
1588 | ||
27e9fb8d EW |
1589 | sub set_svn_commit_env { |
1590 | if (defined $LC_ALL) { | |
1591 | $ENV{LC_ALL} = $LC_ALL; | |
1592 | } else { | |
1593 | delete $ENV{LC_ALL}; | |
1594 | } | |
1595 | } | |
1596 | ||
a5e0cedc | 1597 | sub svn_commit_tree { |
42d32870 | 1598 | my ($last, $commit) = @_; |
a5e0cedc EW |
1599 | my $commit_msg = "$GIT_SVN_DIR/.svn-commit.tmp.$$"; |
1600 | my $log_msg = get_commit_message($commit, $commit_msg); | |
1601 | my ($oneline) = ($log_msg->{msg} =~ /([^\n\r]+)/); | |
ac8e0b91 EW |
1602 | print "Committing $commit: $oneline\n"; |
1603 | ||
27e9fb8d | 1604 | set_svn_commit_env(); |
3397f9df | 1605 | my @ci_output = safe_qx(qw(svn commit -F),$commit_msg); |
ce475dfc | 1606 | $ENV{LC_ALL} = 'C'; |
3397f9df | 1607 | unlink $commit_msg; |
ce475dfc EW |
1608 | my ($committed) = ($ci_output[$#ci_output] =~ /(\d+)/); |
1609 | if (!defined $committed) { | |
1610 | my $out = join("\n",@ci_output); | |
1611 | print STDERR "W: Trouble parsing \`svn commit' output:\n\n", | |
1612 | $out, "\n\nAssuming English locale..."; | |
1613 | ($committed) = ($out =~ /^Committed revision \d+\./sm); | |
1614 | defined $committed or die " FAILED!\n", | |
3397f9df | 1615 | "Commit output failed to parse committed revision!\n", |
ce475dfc EW |
1616 | print STDERR " OK\n"; |
1617 | } | |
3397f9df | 1618 | |
e17512f3 | 1619 | my @svn_up = qw(svn up); |
3397f9df | 1620 | push @svn_up, '--ignore-externals' unless $_no_ignore_ext; |
42d32870 | 1621 | if ($_optimize_commits && ($committed == ($last->{revision} + 1))) { |
ce475dfc | 1622 | push @svn_up, "-r$committed"; |
e17512f3 EW |
1623 | sys(@svn_up); |
1624 | my $info = svn_info('.'); | |
1625 | my $date = $info->{'Last Changed Date'} or die "Missing date\n"; | |
ce475dfc EW |
1626 | if ($info->{'Last Changed Rev'} != $committed) { |
1627 | croak "$info->{'Last Changed Rev'} != $committed\n" | |
e17512f3 EW |
1628 | } |
1629 | my ($Y,$m,$d,$H,$M,$S,$tz) = ($date =~ | |
1630 | /(\d{4})\-(\d\d)\-(\d\d)\s | |
1631 | (\d\d)\:(\d\d)\:(\d\d)\s([\-\+]\d+)/x) | |
1632 | or croak "Failed to parse date: $date\n"; | |
a5e0cedc EW |
1633 | $log_msg->{date} = "$tz $Y-$m-$d $H:$M:$S"; |
1634 | $log_msg->{author} = $info->{'Last Changed Author'}; | |
1635 | $log_msg->{revision} = $committed; | |
1636 | $log_msg->{msg} .= "\n"; | |
42d32870 EW |
1637 | $log_msg->{parents} = [ $last->{commit} ]; |
1638 | $log_msg->{commit} = git_commit($log_msg, $commit); | |
1639 | return $log_msg; | |
e17512f3 EW |
1640 | } |
1641 | # resync immediately | |
42d32870 | 1642 | push @svn_up, "-r$last->{revision}"; |
3397f9df | 1643 | sys(@svn_up); |
42d32870 | 1644 | return fetch("$committed=$commit"); |
3397f9df EW |
1645 | } |
1646 | ||
9d55b41a EW |
1647 | sub rev_list_raw { |
1648 | my (@args) = @_; | |
1649 | my $pid = open my $fh, '-|'; | |
1650 | defined $pid or croak $!; | |
1651 | if (!$pid) { | |
1652 | exec(qw/git-rev-list --pretty=raw/, @args) or croak $!; | |
1653 | } | |
1654 | return { fh => $fh, t => { } }; | |
1655 | } | |
1656 | ||
1657 | sub next_rev_list_entry { | |
1658 | my $rl = shift; | |
1659 | my $fh = $rl->{fh}; | |
1660 | my $x = $rl->{t}; | |
1661 | while (<$fh>) { | |
1662 | if (/^commit ($sha1)$/o) { | |
1663 | if ($x->{c}) { | |
1664 | $rl->{t} = { c => $1 }; | |
1665 | return $x; | |
1666 | } else { | |
1667 | $x->{c} = $1; | |
1668 | } | |
1669 | } elsif (/^parent ($sha1)$/o) { | |
1670 | $x->{p}->{$1} = 1; | |
1671 | } elsif (s/^ //) { | |
1672 | $x->{m} ||= ''; | |
1673 | $x->{m} .= $_; | |
1674 | } | |
1675 | } | |
1676 | return ($x != $rl->{t}) ? $x : undef; | |
1677 | } | |
1678 | ||
03823184 EW |
1679 | # read the entire log into a temporary file (which is removed ASAP) |
1680 | # and store the file handle + parser state | |
3397f9df EW |
1681 | sub svn_log_raw { |
1682 | my (@log_args) = @_; | |
03823184 EW |
1683 | my $log_fh = IO::File->new_tmpfile or croak $!; |
1684 | my $pid = fork; | |
3397f9df | 1685 | defined $pid or croak $!; |
03823184 EW |
1686 | if (!$pid) { |
1687 | open STDOUT, '>&', $log_fh or croak $!; | |
3397f9df EW |
1688 | exec (qw(svn log), @log_args) or croak $! |
1689 | } | |
03823184 | 1690 | waitpid $pid, 0; |
b8c92cad | 1691 | croak $? if $?; |
03823184 EW |
1692 | seek $log_fh, 0, 0 or croak $!; |
1693 | return { state => 'sep', fh => $log_fh }; | |
1694 | } | |
1695 | ||
1696 | sub next_log_entry { | |
1697 | my $log = shift; # retval of svn_log_raw() | |
1698 | my $ret = undef; | |
1699 | my $fh = $log->{fh}; | |
3397f9df | 1700 | |
03823184 | 1701 | while (<$fh>) { |
3397f9df EW |
1702 | chomp; |
1703 | if (/^\-{72}$/) { | |
03823184 EW |
1704 | if ($log->{state} eq 'msg') { |
1705 | if ($ret->{lines}) { | |
1706 | $ret->{msg} .= $_."\n"; | |
1707 | unless(--$ret->{lines}) { | |
1708 | $log->{state} = 'sep'; | |
ce6f3519 EW |
1709 | } |
1710 | } else { | |
1711 | croak "Log parse error at: $_\n", | |
03823184 | 1712 | $ret->{revision}, |
ce6f3519 EW |
1713 | "\n"; |
1714 | } | |
1715 | next; | |
1716 | } | |
03823184 | 1717 | if ($log->{state} ne 'sep') { |
ce6f3519 | 1718 | croak "Log parse error at: $_\n", |
03823184 EW |
1719 | "state: $log->{state}\n", |
1720 | $ret->{revision}, | |
ce6f3519 EW |
1721 | "\n"; |
1722 | } | |
03823184 | 1723 | $log->{state} = 'rev'; |
3397f9df EW |
1724 | |
1725 | # if we have an empty log message, put something there: | |
03823184 EW |
1726 | if ($ret) { |
1727 | $ret->{msg} ||= "\n"; | |
1728 | delete $ret->{lines}; | |
1729 | return $ret; | |
3397f9df EW |
1730 | } |
1731 | next; | |
1732 | } | |
03823184 | 1733 | if ($log->{state} eq 'rev' && s/^r(\d+)\s*\|\s*//) { |
3397f9df | 1734 | my $rev = $1; |
ce6f3519 EW |
1735 | my ($author, $date, $lines) = split(/\s*\|\s*/, $_, 3); |
1736 | ($lines) = ($lines =~ /(\d+)/); | |
3397f9df EW |
1737 | my ($Y,$m,$d,$H,$M,$S,$tz) = ($date =~ |
1738 | /(\d{4})\-(\d\d)\-(\d\d)\s | |
1739 | (\d\d)\:(\d\d)\:(\d\d)\s([\-\+]\d+)/x) | |
1740 | or croak "Failed to parse date: $date\n"; | |
03823184 | 1741 | $ret = { revision => $rev, |
3397f9df EW |
1742 | date => "$tz $Y-$m-$d $H:$M:$S", |
1743 | author => $author, | |
ce6f3519 | 1744 | lines => $lines, |
03823184 | 1745 | msg => '' }; |
a9612be2 EW |
1746 | if (defined $_authors && ! defined $users{$author}) { |
1747 | die "Author: $author not defined in ", | |
1748 | "$_authors file\n"; | |
1749 | } | |
03823184 | 1750 | $log->{state} = 'msg_start'; |
3397f9df EW |
1751 | next; |
1752 | } | |
1753 | # skip the first blank line of the message: | |
03823184 EW |
1754 | if ($log->{state} eq 'msg_start' && /^$/) { |
1755 | $log->{state} = 'msg'; | |
1756 | } elsif ($log->{state} eq 'msg') { | |
1757 | if ($ret->{lines}) { | |
1758 | $ret->{msg} .= $_."\n"; | |
1759 | unless (--$ret->{lines}) { | |
1760 | $log->{state} = 'sep'; | |
ce6f3519 EW |
1761 | } |
1762 | } else { | |
1763 | croak "Log parse error at: $_\n", | |
03823184 | 1764 | $ret->{revision},"\n"; |
ce6f3519 | 1765 | } |
3397f9df EW |
1766 | } |
1767 | } | |
03823184 | 1768 | return $ret; |
3397f9df EW |
1769 | } |
1770 | ||
1771 | sub svn_info { | |
1772 | my $url = shift || $SVN_URL; | |
1773 | ||
1774 | my $pid = open my $info_fh, '-|'; | |
1775 | defined $pid or croak $!; | |
1776 | ||
1777 | if ($pid == 0) { | |
1778 | exec(qw(svn info),$url) or croak $!; | |
1779 | } | |
1780 | ||
1781 | my $ret = {}; | |
1782 | # only single-lines seem to exist in svn info output | |
1783 | while (<$info_fh>) { | |
1784 | chomp $_; | |
e17512f3 | 1785 | if (m#^([^:]+)\s*:\s*(\S.*)$#) { |
3397f9df EW |
1786 | $ret->{$1} = $2; |
1787 | push @{$ret->{-order}}, $1; | |
1788 | } | |
1789 | } | |
cf7424b0 | 1790 | close $info_fh or croak $?; |
3397f9df EW |
1791 | return $ret; |
1792 | } | |
1793 | ||
1794 | sub sys { system(@_) == 0 or croak $? } | |
1795 | ||
36f5b1f0 EW |
1796 | sub do_update_index { |
1797 | my ($z_cmd, $cmd, $no_text_base) = @_; | |
1798 | ||
1799 | my $z = open my $p, '-|'; | |
1800 | defined $z or croak $!; | |
1801 | unless ($z) { exec @$z_cmd or croak $! } | |
1802 | ||
1803 | my $pid = open my $ui, '|-'; | |
1804 | defined $pid or croak $!; | |
1805 | unless ($pid) { | |
1806 | exec('git-update-index',"--$cmd",'-z','--stdin') or croak $!; | |
1807 | } | |
1808 | local $/ = "\0"; | |
1809 | while (my $x = <$p>) { | |
1810 | chomp $x; | |
1811 | if (!$no_text_base && lstat $x && ! -l _ && | |
8a97e368 | 1812 | svn_propget_base('svn:keywords', $x)) { |
36f5b1f0 EW |
1813 | my $mode = -x _ ? 0755 : 0644; |
1814 | my ($v,$d,$f) = File::Spec->splitpath($x); | |
1815 | my $tb = File::Spec->catfile($d, '.svn', 'tmp', | |
1816 | 'text-base',"$f.svn-base"); | |
1817 | $tb =~ s#^/##; | |
1818 | unless (-f $tb) { | |
1819 | $tb = File::Spec->catfile($d, '.svn', | |
1820 | 'text-base',"$f.svn-base"); | |
1821 | $tb =~ s#^/##; | |
1822 | } | |
17a10f37 | 1823 | my @s = stat($x); |
36f5b1f0 | 1824 | unlink $x or croak $!; |
17a10f37 | 1825 | copy($tb, $x); |
36f5b1f0 | 1826 | chmod(($mode &~ umask), $x) or croak $!; |
17a10f37 | 1827 | utime $s[8], $s[9], $x; |
36f5b1f0 EW |
1828 | } |
1829 | print $ui $x,"\0"; | |
1830 | } | |
cf7424b0 | 1831 | close $ui or croak $?; |
36f5b1f0 EW |
1832 | } |
1833 | ||
1834 | sub index_changes { | |
a5e0cedc | 1835 | return if $_use_lib; |
6c5cda89 EW |
1836 | |
1837 | if (!-f "$GIT_SVN_DIR/info/exclude") { | |
1838 | open my $fd, '>>', "$GIT_SVN_DIR/info/exclude" or croak $!; | |
1839 | print $fd '.svn',"\n"; | |
1840 | close $fd or croak $!; | |
1841 | } | |
36f5b1f0 EW |
1842 | my $no_text_base = shift; |
1843 | do_update_index([qw/git-diff-files --name-only -z/], | |
1844 | 'remove', | |
1845 | $no_text_base); | |
1846 | do_update_index([qw/git-ls-files -z --others/, | |
883d0a78 | 1847 | "--exclude-from=$GIT_SVN_DIR/info/exclude"], |
36f5b1f0 EW |
1848 | 'add', |
1849 | $no_text_base); | |
3397f9df EW |
1850 | } |
1851 | ||
1852 | sub s_to_file { | |
1853 | my ($str, $file, $mode) = @_; | |
1854 | open my $fd,'>',$file or croak $!; | |
1855 | print $fd $str,"\n" or croak $!; | |
1856 | close $fd or croak $!; | |
1857 | chmod ($mode &~ umask, $file) if (defined $mode); | |
1858 | } | |
1859 | ||
1860 | sub file_to_s { | |
1861 | my $file = shift; | |
1862 | open my $fd,'<',$file or croak "$!: file: $file\n"; | |
1863 | local $/; | |
1864 | my $ret = <$fd>; | |
1865 | close $fd or croak $!; | |
1866 | $ret =~ s/\s*$//s; | |
1867 | return $ret; | |
1868 | } | |
1869 | ||
1870 | sub assert_revision_unknown { | |
42d32870 EW |
1871 | my $r = shift; |
1872 | if (my $c = revdb_get($REVDB, $r)) { | |
1873 | croak "$r = $c already exists! Why are we refetching it?"; | |
3397f9df EW |
1874 | } |
1875 | } | |
1876 | ||
ac749050 EW |
1877 | sub trees_eq { |
1878 | my ($x, $y) = @_; | |
1879 | my @x = safe_qx('git-cat-file','commit',$x); | |
1880 | my @y = safe_qx('git-cat-file','commit',$y); | |
1881 | if (($y[0] ne $x[0]) || $x[0] !~ /^tree $sha1\n$/ | |
1882 | || $y[0] !~ /^tree $sha1\n$/) { | |
1883 | print STDERR "Trees not equal: $y[0] != $x[0]\n"; | |
1884 | return 0 | |
1885 | } | |
1886 | return 1; | |
1887 | } | |
1888 | ||
3397f9df EW |
1889 | sub git_commit { |
1890 | my ($log_msg, @parents) = @_; | |
1891 | assert_revision_unknown($log_msg->{revision}); | |
69f0d91e EW |
1892 | map_tree_joins() if (@_branch_from && !%tree_map); |
1893 | ||
a5e0cedc EW |
1894 | my (@tmp_parents, @exec_parents, %seen_parent); |
1895 | if (my $lparents = $log_msg->{parents}) { | |
1896 | @tmp_parents = @$lparents | |
1897 | } | |
3397f9df EW |
1898 | # commit parents can be conditionally bound to a particular |
1899 | # svn revision via: "svn_revno=commit_sha1", filter them out here: | |
3397f9df EW |
1900 | foreach my $p (@parents) { |
1901 | next unless defined $p; | |
1902 | if ($p =~ /^(\d+)=($sha1_short)$/o) { | |
1903 | if ($1 == $log_msg->{revision}) { | |
a5e0cedc | 1904 | push @tmp_parents, $2; |
3397f9df EW |
1905 | } |
1906 | } else { | |
a5e0cedc | 1907 | push @tmp_parents, $p if $p =~ /$sha1_short/o; |
3397f9df EW |
1908 | } |
1909 | } | |
a5e0cedc EW |
1910 | my $tree = $log_msg->{tree}; |
1911 | if (!defined $tree) { | |
1912 | my $index = set_index($GIT_SVN_INDEX); | |
36f5b1f0 | 1913 | index_changes(); |
a5e0cedc | 1914 | chomp($tree = `git-write-tree`); |
b8c92cad | 1915 | croak $? if $?; |
a5e0cedc EW |
1916 | restore_index($index); |
1917 | } | |
a00439ac EW |
1918 | |
1919 | # just in case we clobber the existing ref, we still want that ref | |
1920 | # as our parent: | |
1921 | if (my $cur = eval { file_to_s("$GIT_DIR/refs/remotes/$GIT_SVN") }) { | |
1922 | push @tmp_parents, $cur; | |
1923 | } | |
1924 | ||
a5e0cedc | 1925 | if (exists $tree_map{$tree}) { |
c1927a85 EW |
1926 | foreach my $p (@{$tree_map{$tree}}) { |
1927 | my $skip; | |
1928 | foreach (@tmp_parents) { | |
1929 | # see if a common parent is found | |
1930 | my $mb = eval { | |
1931 | safe_qx('git-merge-base', $_, $p) | |
1932 | }; | |
1933 | next if ($@ || $?); | |
1934 | $skip = 1; | |
1935 | last; | |
1936 | } | |
1937 | next if $skip; | |
1938 | my ($url_p, $r_p, $uuid_p) = cmt_metadata($p); | |
1939 | next if (($SVN_UUID eq $uuid_p) && | |
1940 | ($log_msg->{revision} > $r_p)); | |
1941 | next if (defined $url_p && defined $SVN_URL && | |
1942 | ($SVN_UUID eq $uuid_p) && | |
1943 | ($url_p eq $SVN_URL)); | |
1944 | push @tmp_parents, $p; | |
1945 | } | |
a5e0cedc EW |
1946 | } |
1947 | foreach (@tmp_parents) { | |
1948 | next if $seen_parent{$_}; | |
1949 | $seen_parent{$_} = 1; | |
1950 | push @exec_parents, $_; | |
1951 | # MAXPARENT is defined to 16 in commit-tree.c: | |
1952 | last if @exec_parents > 16; | |
1953 | } | |
1954 | ||
a00439ac EW |
1955 | set_commit_env($log_msg); |
1956 | my @exec = ('git-commit-tree', $tree); | |
1957 | push @exec, '-p', $_ foreach @exec_parents; | |
1958 | defined(my $pid = open3(my $msg_fh, my $out_fh, '>&STDERR', @exec)) | |
1959 | or croak $!; | |
1960 | print $msg_fh $log_msg->{msg} or croak $!; | |
1961 | unless ($_no_metadata) { | |
1962 | print $msg_fh "\ngit-svn-id: $SVN_URL\@$log_msg->{revision}", | |
1ca72aef | 1963 | " $SVN_UUID\n" or croak $!; |
3397f9df | 1964 | } |
a00439ac EW |
1965 | $msg_fh->flush == 0 or croak $!; |
1966 | close $msg_fh or croak $!; | |
3397f9df | 1967 | chomp(my $commit = do { local $/; <$out_fh> }); |
a00439ac EW |
1968 | close $out_fh or croak $!; |
1969 | waitpid $pid, 0; | |
1970 | croak $? if $?; | |
3397f9df | 1971 | if ($commit !~ /^$sha1$/o) { |
a00439ac | 1972 | die "Failed to commit, invalid sha1: $commit\n"; |
3397f9df | 1973 | } |
a00439ac | 1974 | sys('git-update-ref',"refs/remotes/$GIT_SVN",$commit); |
42d32870 EW |
1975 | revdb_set($REVDB, $log_msg->{revision}, $commit); |
1976 | ||
a5e0cedc | 1977 | # this output is read via pipe, do not change: |
3397f9df | 1978 | print "r$log_msg->{revision} = $commit\n"; |
cf7424b0 EW |
1979 | check_repack(); |
1980 | return $commit; | |
1981 | } | |
1982 | ||
1983 | sub check_repack { | |
dc5869c0 EW |
1984 | if ($_repack && (--$_repack_nr == 0)) { |
1985 | $_repack_nr = $_repack; | |
1986 | sys("git repack $_repack_flags"); | |
1987 | } | |
3397f9df EW |
1988 | } |
1989 | ||
a9612be2 | 1990 | sub set_commit_env { |
1ca72aef | 1991 | my ($log_msg) = @_; |
a9612be2 | 1992 | my $author = $log_msg->{author}; |
a5e0cedc EW |
1993 | if (!defined $author || length $author == 0) { |
1994 | $author = '(no author)'; | |
1995 | } | |
a9612be2 | 1996 | my ($name,$email) = defined $users{$author} ? @{$users{$author}} |
1ca72aef | 1997 | : ($author,"$author\@$SVN_UUID"); |
a9612be2 EW |
1998 | $ENV{GIT_AUTHOR_NAME} = $ENV{GIT_COMMITTER_NAME} = $name; |
1999 | $ENV{GIT_AUTHOR_EMAIL} = $ENV{GIT_COMMITTER_EMAIL} = $email; | |
2000 | $ENV{GIT_AUTHOR_DATE} = $ENV{GIT_COMMITTER_DATE} = $log_msg->{date}; | |
2001 | } | |
2002 | ||
cf52b8f0 EW |
2003 | sub apply_mod_line_blob { |
2004 | my $m = shift; | |
2005 | if ($m->{mode_b} =~ /^120/) { | |
2006 | blob_to_symlink($m->{sha1_b}, $m->{file_b}); | |
2007 | } else { | |
2008 | blob_to_file($m->{sha1_b}, $m->{file_b}); | |
2009 | } | |
2010 | } | |
2011 | ||
3397f9df EW |
2012 | sub blob_to_symlink { |
2013 | my ($blob, $link) = @_; | |
2014 | defined $link or croak "\$link not defined!\n"; | |
2015 | croak "Not a sha1: $blob\n" unless $blob =~ /^$sha1$/o; | |
cf52b8f0 EW |
2016 | if (-l $link || -f _) { |
2017 | unlink $link or croak $!; | |
2018 | } | |
2019 | ||
3397f9df EW |
2020 | my $dest = `git-cat-file blob $blob`; # no newline, so no chomp |
2021 | symlink $dest, $link or croak $!; | |
2022 | } | |
2023 | ||
2024 | sub blob_to_file { | |
2025 | my ($blob, $file) = @_; | |
2026 | defined $file or croak "\$file not defined!\n"; | |
2027 | croak "Not a sha1: $blob\n" unless $blob =~ /^$sha1$/o; | |
cf52b8f0 EW |
2028 | if (-l $file || -f _) { |
2029 | unlink $file or croak $!; | |
2030 | } | |
2031 | ||
3397f9df EW |
2032 | open my $blob_fh, '>', $file or croak "$!: $file\n"; |
2033 | my $pid = fork; | |
2034 | defined $pid or croak $!; | |
2035 | ||
2036 | if ($pid == 0) { | |
2037 | open STDOUT, '>&', $blob_fh or croak $!; | |
b8c92cad | 2038 | exec('git-cat-file','blob',$blob) or croak $!; |
3397f9df EW |
2039 | } |
2040 | waitpid $pid, 0; | |
2041 | croak $? if $?; | |
2042 | ||
2043 | close $blob_fh or croak $!; | |
2044 | } | |
2045 | ||
2046 | sub safe_qx { | |
2047 | my $pid = open my $child, '-|'; | |
2048 | defined $pid or croak $!; | |
2049 | if ($pid == 0) { | |
b8c92cad | 2050 | exec(@_) or croak $!; |
3397f9df EW |
2051 | } |
2052 | my @ret = (<$child>); | |
2053 | close $child or croak $?; | |
2054 | die $? if $?; # just in case close didn't error out | |
2055 | return wantarray ? @ret : join('',@ret); | |
2056 | } | |
2057 | ||
1d52aba8 | 2058 | sub svn_compat_check { |
a00439ac EW |
2059 | if ($_follow_parent) { |
2060 | print STDERR 'E: --follow-parent functionality is only ', | |
2061 | "available when SVN libraries are used\n"; | |
2062 | exit 1; | |
2063 | } | |
1d52aba8 EW |
2064 | my @co_help = safe_qx(qw(svn co -h)); |
2065 | unless (grep /ignore-externals/,@co_help) { | |
3397f9df EW |
2066 | print STDERR "W: Installed svn version does not support ", |
2067 | "--ignore-externals\n"; | |
2068 | $_no_ignore_ext = 1; | |
2069 | } | |
1d52aba8 EW |
2070 | if (grep /usage: checkout URL\[\@REV\]/,@co_help) { |
2071 | $_svn_co_url_revs = 1; | |
2072 | } | |
8a97e368 EW |
2073 | if (grep /\[TARGET\[\@REV\]\.\.\.\]/, `svn propget -h`) { |
2074 | $_svn_pg_peg_revs = 1; | |
2075 | } | |
7317ed90 EW |
2076 | |
2077 | # I really, really hope nobody hits this... | |
2078 | unless (grep /stop-on-copy/, (safe_qx(qw(svn log -h)))) { | |
2079 | print STDERR <<''; | |
2080 | W: The installed svn version does not support the --stop-on-copy flag in | |
2081 | the log command. | |
2082 | Lets hope the directory you're tracking is not a branch or tag | |
2083 | and was never moved within the repository... | |
2084 | ||
2085 | $_no_stop_copy = 1; | |
2086 | } | |
1d52aba8 EW |
2087 | } |
2088 | ||
2089 | # *sigh*, new versions of svn won't honor -r<rev> without URL@<rev>, | |
2090 | # (and they won't honor URL@<rev> without -r<rev>, too!) | |
2091 | sub svn_cmd_checkout { | |
2092 | my ($url, $rev, $dir) = @_; | |
2093 | my @cmd = ('svn','co', "-r$rev"); | |
2094 | push @cmd, '--ignore-externals' unless $_no_ignore_ext; | |
2095 | $url .= "\@$rev" if $_svn_co_url_revs; | |
2096 | sys(@cmd, $url, $dir); | |
3397f9df | 2097 | } |
2beb3cdd EW |
2098 | |
2099 | sub check_upgrade_needed { | |
cf7424b0 | 2100 | if (!-r $REVDB) { |
1a82e793 | 2101 | -d $GIT_SVN_DIR or mkpath([$GIT_SVN_DIR]); |
cf7424b0 EW |
2102 | open my $fh, '>>',$REVDB or croak $!; |
2103 | close $fh; | |
2104 | } | |
2beb3cdd EW |
2105 | my $old = eval { |
2106 | my $pid = open my $child, '-|'; | |
2107 | defined $pid or croak $!; | |
2108 | if ($pid == 0) { | |
2109 | close STDERR; | |
b8c92cad | 2110 | exec('git-rev-parse',"$GIT_SVN-HEAD") or croak $!; |
2beb3cdd EW |
2111 | } |
2112 | my @ret = (<$child>); | |
2113 | close $child or croak $?; | |
2114 | die $? if $?; # just in case close didn't error out | |
2115 | return wantarray ? @ret : join('',@ret); | |
2116 | }; | |
2117 | return unless $old; | |
2118 | my $head = eval { safe_qx('git-rev-parse',"refs/remotes/$GIT_SVN") }; | |
2119 | if ($@ || !$head) { | |
2120 | print STDERR "Please run: $0 rebuild --upgrade\n"; | |
2121 | exit 1; | |
2122 | } | |
2123 | } | |
2124 | ||
69f0d91e EW |
2125 | # fills %tree_map with a reverse mapping of trees to commits. Useful |
2126 | # for finding parents to commit on. | |
2127 | sub map_tree_joins { | |
098749d9 | 2128 | my %seen; |
69f0d91e EW |
2129 | foreach my $br (@_branch_from) { |
2130 | my $pid = open my $pipe, '-|'; | |
2131 | defined $pid or croak $!; | |
2132 | if ($pid == 0) { | |
098749d9 | 2133 | exec(qw(git-rev-list --topo-order --pretty=raw), $br) |
b8c92cad | 2134 | or croak $!; |
69f0d91e EW |
2135 | } |
2136 | while (<$pipe>) { | |
2137 | if (/^commit ($sha1)$/o) { | |
2138 | my $commit = $1; | |
098749d9 EW |
2139 | |
2140 | # if we've seen a commit, | |
2141 | # we've seen its parents | |
2142 | last if $seen{$commit}; | |
69f0d91e EW |
2143 | my ($tree) = (<$pipe> =~ /^tree ($sha1)$/o); |
2144 | unless (defined $tree) { | |
2145 | die "Failed to parse commit $commit\n"; | |
2146 | } | |
2147 | push @{$tree_map{$tree}}, $commit; | |
098749d9 | 2148 | $seen{$commit} = 1; |
69f0d91e EW |
2149 | } |
2150 | } | |
098749d9 | 2151 | close $pipe; # we could be breaking the pipe early |
69f0d91e EW |
2152 | } |
2153 | } | |
2154 | ||
bf78b1d8 EW |
2155 | sub load_all_refs { |
2156 | if (@_branch_from) { | |
2157 | print STDERR '--branch|-b parameters are ignored when ', | |
2158 | "--branch-all-refs|-B is passed\n"; | |
2159 | } | |
2160 | ||
2161 | # don't worry about rev-list on non-commit objects/tags, | |
2162 | # it shouldn't blow up if a ref is a blob or tree... | |
2163 | chomp(@_branch_from = `git-rev-parse --symbolic --all`); | |
2164 | } | |
2165 | ||
eeb0abe0 EW |
2166 | # '<svn username> = real-name <email address>' mapping based on git-svnimport: |
2167 | sub load_authors { | |
2168 | open my $authors, '<', $_authors or die "Can't open $_authors $!\n"; | |
2169 | while (<$authors>) { | |
2170 | chomp; | |
2171 | next unless /^(\S+?)\s*=\s*(.+?)\s*<(.+)>\s*$/; | |
2172 | my ($user, $name, $email) = ($1, $2, $3); | |
2173 | $users{$user} = [$name, $email]; | |
2174 | } | |
2175 | close $authors or croak $!; | |
2176 | } | |
2177 | ||
79bb8d88 EW |
2178 | sub rload_authors { |
2179 | open my $authors, '<', $_authors or die "Can't open $_authors $!\n"; | |
2180 | while (<$authors>) { | |
2181 | chomp; | |
2182 | next unless /^(\S+?)\s*=\s*(.+?)\s*<(.+)>\s*$/; | |
2183 | my ($user, $name, $email) = ($1, $2, $3); | |
2184 | $rusers{"$name <$email>"} = $user; | |
2185 | } | |
2186 | close $authors or croak $!; | |
2187 | } | |
2188 | ||
8a97e368 EW |
2189 | sub svn_propget_base { |
2190 | my ($p, $f) = @_; | |
2191 | $f .= '@BASE' if $_svn_pg_peg_revs; | |
2192 | return safe_qx(qw/svn propget/, $p, $f); | |
2193 | } | |
2194 | ||
9d55b41a EW |
2195 | sub git_svn_each { |
2196 | my $sub = shift; | |
2197 | foreach (`git-rev-parse --symbolic --all`) { | |
2198 | next unless s#^refs/remotes/##; | |
2199 | chomp $_; | |
2200 | next unless -f "$GIT_DIR/svn/$_/info/url"; | |
2201 | &$sub($_); | |
2202 | } | |
2203 | } | |
2204 | ||
42d32870 EW |
2205 | sub migrate_revdb { |
2206 | git_svn_each(sub { | |
2207 | my $id = shift; | |
2208 | defined(my $pid = fork) or croak $!; | |
2209 | if (!$pid) { | |
2210 | $GIT_SVN = $ENV{GIT_SVN_ID} = $id; | |
2211 | init_vars(); | |
2212 | exit 0 if -r $REVDB; | |
2213 | print "Upgrading svn => git mapping...\n"; | |
1a82e793 | 2214 | -d $GIT_SVN_DIR or mkpath([$GIT_SVN_DIR]); |
42d32870 EW |
2215 | open my $fh, '>>',$REVDB or croak $!; |
2216 | close $fh; | |
2217 | rebuild(); | |
2218 | print "Done upgrading. You may now delete the ", | |
2219 | "deprecated $GIT_SVN_DIR/revs directory\n"; | |
2220 | exit 0; | |
2221 | } | |
2222 | waitpid $pid, 0; | |
2223 | croak $? if $?; | |
2224 | }); | |
2225 | } | |
2226 | ||
883d0a78 | 2227 | sub migration_check { |
42d32870 | 2228 | migrate_revdb() unless (-e $REVDB); |
883d0a78 EW |
2229 | return if (-d "$GIT_DIR/svn" || !-d $GIT_DIR); |
2230 | print "Upgrading repository...\n"; | |
2231 | unless (-d "$GIT_DIR/svn") { | |
2232 | mkdir "$GIT_DIR/svn" or croak $!; | |
2233 | } | |
2234 | print "Data from a previous version of git-svn exists, but\n\t", | |
2235 | "$GIT_SVN_DIR\n\t(required for this version ", | |
2236 | "($VERSION) of git-svn) does not.\n"; | |
2237 | ||
2238 | foreach my $x (`git-rev-parse --symbolic --all`) { | |
2239 | next unless $x =~ s#^refs/remotes/##; | |
2240 | chomp $x; | |
2241 | next unless -f "$GIT_DIR/$x/info/url"; | |
2242 | my $u = eval { file_to_s("$GIT_DIR/$x/info/url") }; | |
2243 | next unless $u; | |
2244 | my $dn = dirname("$GIT_DIR/svn/$x"); | |
2245 | mkpath([$dn]) unless -d $dn; | |
2246 | rename "$GIT_DIR/$x", "$GIT_DIR/svn/$x" or croak "$!: $x"; | |
883d0a78 | 2247 | } |
42d32870 | 2248 | migrate_revdb() if (-d $GIT_SVN_DIR && !-w $REVDB); |
883d0a78 EW |
2249 | print "Done upgrading.\n"; |
2250 | } | |
2251 | ||
9d55b41a | 2252 | sub find_rev_before { |
42d32870 EW |
2253 | my ($r, $id, $eq_ok) = @_; |
2254 | my $f = "$GIT_DIR/svn/$id/.rev_db"; | |
cf7424b0 EW |
2255 | return (undef,undef) unless -r $f; |
2256 | --$r unless $eq_ok; | |
42d32870 EW |
2257 | while ($r > 0) { |
2258 | if (my $c = revdb_get($f, $r)) { | |
2259 | return ($r, $c); | |
2260 | } | |
2261 | --$r; | |
9d55b41a EW |
2262 | } |
2263 | return (undef, undef); | |
2264 | } | |
2265 | ||
b8c92cad EW |
2266 | sub init_vars { |
2267 | $GIT_SVN ||= $ENV{GIT_SVN_ID} || 'git-svn'; | |
2268 | $GIT_SVN_DIR = "$GIT_DIR/svn/$GIT_SVN"; | |
42d32870 | 2269 | $REVDB = "$GIT_SVN_DIR/.rev_db"; |
b8c92cad EW |
2270 | $GIT_SVN_INDEX = "$GIT_SVN_DIR/index"; |
2271 | $SVN_URL = undef; | |
b8c92cad | 2272 | $SVN_WC = "$GIT_SVN_DIR/tree"; |
c1927a85 | 2273 | %tree_map = (); |
b8c92cad EW |
2274 | } |
2275 | ||
2276 | # convert GetOpt::Long specs for use by git-repo-config | |
2277 | sub read_repo_config { | |
2278 | return unless -d $GIT_DIR; | |
2279 | my $opts = shift; | |
2280 | foreach my $o (keys %$opts) { | |
2281 | my $v = $opts->{$o}; | |
2282 | my ($key) = ($o =~ /^([a-z\-]+)/); | |
2283 | $key =~ s/-//g; | |
2284 | my $arg = 'git-repo-config'; | |
2285 | $arg .= ' --int' if ($o =~ /[:=]i$/); | |
2286 | $arg .= ' --bool' if ($o !~ /[:=][sfi]$/); | |
2287 | if (ref $v eq 'ARRAY') { | |
2288 | chomp(my @tmp = `$arg --get-all svn.$key`); | |
2289 | @$v = @tmp if @tmp; | |
2290 | } else { | |
2291 | chomp(my $tmp = `$arg --get svn.$key`); | |
2292 | if ($tmp && !($arg =~ / --bool / && $tmp eq 'false')) { | |
2293 | $$v = $tmp; | |
2294 | } | |
2295 | } | |
2296 | } | |
2297 | } | |
2298 | ||
dc5869c0 EW |
2299 | sub set_default_vals { |
2300 | if (defined $_repack) { | |
2301 | $_repack = 1000 if ($_repack <= 0); | |
2302 | $_repack_nr = $_repack; | |
cf7424b0 | 2303 | $_repack_flags ||= '-d'; |
dc5869c0 EW |
2304 | } |
2305 | } | |
2306 | ||
9d55b41a EW |
2307 | sub read_grafts { |
2308 | my $gr_file = shift; | |
2309 | my ($grafts, $comments) = ({}, {}); | |
2310 | if (open my $fh, '<', $gr_file) { | |
2311 | my @tmp; | |
2312 | while (<$fh>) { | |
2313 | if (/^($sha1)\s+/) { | |
2314 | my $c = $1; | |
2315 | if (@tmp) { | |
2316 | @{$comments->{$c}} = @tmp; | |
2317 | @tmp = (); | |
2318 | } | |
2319 | foreach my $p (split /\s+/, $_) { | |
2320 | $grafts->{$c}->{$p} = 1; | |
2321 | } | |
2322 | } else { | |
2323 | push @tmp, $_; | |
2324 | } | |
2325 | } | |
2326 | close $fh or croak $!; | |
2327 | @{$comments->{'END'}} = @tmp if @tmp; | |
2328 | } | |
2329 | return ($grafts, $comments); | |
2330 | } | |
2331 | ||
2332 | sub write_grafts { | |
2333 | my ($grafts, $comments, $gr_file) = @_; | |
2334 | ||
2335 | open my $fh, '>', $gr_file or croak $!; | |
2336 | foreach my $c (sort keys %$grafts) { | |
2337 | if ($comments->{$c}) { | |
2338 | print $fh $_ foreach @{$comments->{$c}}; | |
2339 | } | |
2340 | my $p = $grafts->{$c}; | |
c1927a85 | 2341 | my %x; # real parents |
9d55b41a EW |
2342 | delete $p->{$c}; # commits are not self-reproducing... |
2343 | my $pid = open my $ch, '-|'; | |
2344 | defined $pid or croak $!; | |
2345 | if (!$pid) { | |
2346 | exec(qw/git-cat-file commit/, $c) or croak $!; | |
2347 | } | |
2348 | while (<$ch>) { | |
c1927a85 EW |
2349 | if (/^parent ($sha1)/) { |
2350 | $x{$1} = $p->{$1} = 1; | |
9d55b41a | 2351 | } else { |
c1927a85 | 2352 | last unless /^\S/; |
9d55b41a EW |
2353 | } |
2354 | } | |
2355 | close $ch; # breaking the pipe | |
c1927a85 EW |
2356 | |
2357 | # if real parents are the only ones in the grafts, drop it | |
2358 | next if join(' ',sort keys %$p) eq join(' ',sort keys %x); | |
2359 | ||
2360 | my (@ip, @jp, $mb); | |
2361 | my %del = %x; | |
2362 | @ip = @jp = keys %$p; | |
2363 | foreach my $i (@ip) { | |
2364 | next if $del{$i} || $p->{$i} == 2; | |
2365 | foreach my $j (@jp) { | |
2366 | next if $i eq $j || $del{$j} || $p->{$j} == 2; | |
2367 | $mb = eval { safe_qx('git-merge-base',$i,$j) }; | |
2368 | next unless $mb; | |
2369 | chomp $mb; | |
2370 | next if $x{$mb}; | |
2371 | if ($mb eq $j) { | |
2372 | delete $p->{$i}; | |
2373 | $del{$i} = 1; | |
2374 | } elsif ($mb eq $i) { | |
2375 | delete $p->{$j}; | |
2376 | $del{$j} = 1; | |
2377 | } | |
2378 | } | |
2379 | } | |
2380 | ||
2381 | # if real parents are the only ones in the grafts, drop it | |
2382 | next if join(' ',sort keys %$p) eq join(' ',sort keys %x); | |
2383 | ||
9d55b41a EW |
2384 | print $fh $c, ' ', join(' ', sort keys %$p),"\n"; |
2385 | } | |
2386 | if ($comments->{'END'}) { | |
2387 | print $fh $_ foreach @{$comments->{'END'}}; | |
2388 | } | |
2389 | close $fh or croak $!; | |
2390 | } | |
2391 | ||
a00439ac EW |
2392 | sub read_url_paths_all { |
2393 | my ($l_map, $pfx, $p) = @_; | |
2394 | my @dir; | |
2395 | foreach (<$p/*>) { | |
2396 | if (-r "$_/info/url") { | |
2397 | $pfx .= '/' if $pfx && $pfx !~ m!/$!; | |
2398 | my $id = $pfx . basename $_; | |
2399 | my $url = file_to_s("$_/info/url"); | |
2400 | my ($u, $p) = repo_path_split($url); | |
2401 | $l_map->{$u}->{$p} = $id; | |
2402 | } elsif (-d $_) { | |
2403 | push @dir, $_; | |
2404 | } | |
2405 | } | |
2406 | foreach (@dir) { | |
2407 | my $x = $_; | |
2408 | $x =~ s!^\Q$GIT_DIR\E/svn/!!o; | |
2409 | read_url_paths_all($l_map, $x, $_); | |
2410 | } | |
2411 | } | |
2412 | ||
2413 | # this one only gets ids that have been imported, not new ones | |
9d55b41a EW |
2414 | sub read_url_paths { |
2415 | my $l_map = {}; | |
2416 | git_svn_each(sub { my $x = shift; | |
6c5cda89 EW |
2417 | my $url = file_to_s("$GIT_DIR/svn/$x/info/url"); |
2418 | my ($u, $p) = repo_path_split($url); | |
9d55b41a EW |
2419 | $l_map->{$u}->{$p} = $x; |
2420 | }); | |
2421 | return $l_map; | |
2422 | } | |
2423 | ||
79bb8d88 | 2424 | sub extract_metadata { |
c1927a85 | 2425 | my $id = shift or return (undef, undef, undef); |
79bb8d88 EW |
2426 | my ($url, $rev, $uuid) = ($id =~ /^git-svn-id:\s(\S+?)\@(\d+) |
2427 | \s([a-f\d\-]+)$/x); | |
2428 | if (!$rev || !$uuid || !$url) { | |
2429 | # some of the original repositories I made had | |
82e5a82f | 2430 | # identifiers like this: |
79bb8d88 EW |
2431 | ($rev, $uuid) = ($id =~/^git-svn-id:\s(\d+)\@([a-f\d\-]+)/); |
2432 | } | |
2433 | return ($url, $rev, $uuid); | |
2434 | } | |
2435 | ||
c1927a85 EW |
2436 | sub cmt_metadata { |
2437 | return extract_metadata((grep(/^git-svn-id: /, | |
2438 | safe_qx(qw/git-cat-file commit/, shift)))[-1]); | |
2439 | } | |
2440 | ||
2441 | sub get_commit_time { | |
2442 | my $cmt = shift; | |
2443 | defined(my $pid = open my $fh, '-|') or croak $!; | |
2444 | if (!$pid) { | |
2445 | exec qw/git-rev-list --pretty=raw -n1/, $cmt or croak $!; | |
2446 | } | |
2447 | while (<$fh>) { | |
2448 | /^committer\s(?:.+) (\d+) ([\-\+]?\d+)$/ or next; | |
2449 | my ($s, $tz) = ($1, $2); | |
2450 | if ($tz =~ s/^\+//) { | |
2451 | $s += tz_to_s_offset($tz); | |
2452 | } elsif ($tz =~ s/^\-//) { | |
2453 | $s -= tz_to_s_offset($tz); | |
2454 | } | |
2455 | close $fh; | |
2456 | return $s; | |
2457 | } | |
2458 | die "Can't get commit time for commit: $cmt\n"; | |
2459 | } | |
2460 | ||
79bb8d88 EW |
2461 | sub tz_to_s_offset { |
2462 | my ($tz) = @_; | |
2463 | $tz =~ s/(\d\d)$//; | |
2464 | return ($1 * 60) + ($tz * 3600); | |
2465 | } | |
2466 | ||
2467 | sub setup_pager { # translated to Perl from pager.c | |
2468 | return unless (-t *STDOUT); | |
2469 | my $pager = $ENV{PAGER}; | |
2470 | if (!defined $pager) { | |
2471 | $pager = 'less'; | |
2472 | } elsif (length $pager == 0 || $pager eq 'cat') { | |
2473 | return; | |
2474 | } | |
2475 | pipe my $rfd, my $wfd or return; | |
2476 | defined(my $pid = fork) or croak $!; | |
2477 | if (!$pid) { | |
2478 | open STDOUT, '>&', $wfd or croak $!; | |
2479 | return; | |
2480 | } | |
2481 | open STDIN, '<&', $rfd or croak $!; | |
2482 | $ENV{LESS} ||= '-S'; | |
2483 | exec $pager or croak "Can't run pager: $!\n";; | |
2484 | } | |
2485 | ||
2486 | sub get_author_info { | |
2487 | my ($dest, $author, $t, $tz) = @_; | |
2488 | $author =~ s/(?:^\s*|\s*$)//g; | |
c0d48222 | 2489 | $dest->{a_raw} = $author; |
79bb8d88 EW |
2490 | my $_a; |
2491 | if ($_authors) { | |
2492 | $_a = $rusers{$author} || undef; | |
2493 | } | |
2494 | if (!$_a) { | |
2495 | ($_a) = ($author =~ /<([^>]+)\@[^>]+>$/); | |
2496 | } | |
2497 | $dest->{t} = $t; | |
2498 | $dest->{tz} = $tz; | |
2499 | $dest->{a} = $_a; | |
2500 | # Date::Parse isn't in the standard Perl distro :( | |
2501 | if ($tz =~ s/^\+//) { | |
2502 | $t += tz_to_s_offset($tz); | |
2503 | } elsif ($tz =~ s/^\-//) { | |
2504 | $t -= tz_to_s_offset($tz); | |
2505 | } | |
2506 | $dest->{t_utc} = $t; | |
2507 | } | |
2508 | ||
2509 | sub process_commit { | |
2510 | my ($c, $r_min, $r_max, $defer) = @_; | |
2511 | if (defined $r_min && defined $r_max) { | |
2512 | if ($r_min == $c->{r} && $r_min == $r_max) { | |
2513 | show_commit($c); | |
2514 | return 0; | |
2515 | } | |
2516 | return 1 if $r_min == $r_max; | |
2517 | if ($r_min < $r_max) { | |
2518 | # we need to reverse the print order | |
2519 | return 0 if (defined $_limit && --$_limit < 0); | |
2520 | push @$defer, $c; | |
2521 | return 1; | |
2522 | } | |
2523 | if ($r_min != $r_max) { | |
2524 | return 1 if ($r_min < $c->{r}); | |
2525 | return 1 if ($r_max > $c->{r}); | |
2526 | } | |
2527 | } | |
2528 | return 0 if (defined $_limit && --$_limit < 0); | |
2529 | show_commit($c); | |
2530 | return 1; | |
2531 | } | |
2532 | ||
2533 | sub show_commit { | |
2534 | my $c = shift; | |
2535 | if ($_oneline) { | |
2536 | my $x = "\n"; | |
2537 | if (my $l = $c->{l}) { | |
2538 | while ($l->[0] =~ /^\s*$/) { shift @$l } | |
2539 | $x = $l->[0]; | |
2540 | } | |
2541 | $_l_fmt ||= 'A' . length($c->{r}); | |
2542 | print 'r',pack($_l_fmt, $c->{r}),' | '; | |
2543 | print "$c->{c} | " if $_show_commit; | |
2544 | print $x; | |
2545 | } else { | |
2546 | show_commit_normal($c); | |
2547 | } | |
2548 | } | |
2549 | ||
2550 | sub show_commit_normal { | |
2551 | my ($c) = @_; | |
2552 | print '-' x72, "\nr$c->{r} | "; | |
2553 | print "$c->{c} | " if $_show_commit; | |
2554 | print "$c->{a} | ", strftime("%Y-%m-%d %H:%M:%S %z (%a, %d %b %Y)", | |
2555 | localtime($c->{t_utc})), ' | '; | |
2556 | my $nr_line = 0; | |
2557 | ||
2558 | if (my $l = $c->{l}) { | |
2559 | while ($l->[$#$l] eq "\n" && $l->[($#$l - 1)] eq "\n") { | |
2560 | pop @$l; | |
2561 | } | |
2562 | $nr_line = scalar @$l; | |
2563 | if (!$nr_line) { | |
2564 | print "1 line\n\n\n"; | |
2565 | } else { | |
2566 | if ($nr_line == 1) { | |
2567 | $nr_line = '1 line'; | |
2568 | } else { | |
2569 | $nr_line .= ' lines'; | |
2570 | } | |
2571 | print $nr_line, "\n\n"; | |
2572 | print $_ foreach @$l; | |
2573 | } | |
2574 | } else { | |
2575 | print "1 line\n\n"; | |
2576 | ||
2577 | } | |
2578 | foreach my $x (qw/raw diff/) { | |
2579 | if ($c->{$x}) { | |
2580 | print "\n"; | |
2581 | print $_ foreach @{$c->{$x}} | |
2582 | } | |
2583 | } | |
2584 | } | |
2585 | ||
a5e0cedc EW |
2586 | sub libsvn_load { |
2587 | return unless $_use_lib; | |
2588 | $_use_lib = eval { | |
2589 | require SVN::Core; | |
dc62e25c EW |
2590 | if ($SVN::Core::VERSION lt '1.1.0') { |
2591 | die "Need SVN::Core 1.1.0 or better ", | |
a5e0cedc EW |
2592 | "(got $SVN::Core::VERSION) ", |
2593 | "Falling back to command-line svn\n"; | |
2594 | } | |
2595 | require SVN::Ra; | |
2596 | require SVN::Delta; | |
2597 | push @SVN::Git::Editor::ISA, 'SVN::Delta::Editor'; | |
2598 | my $kill_stupid_warnings = $SVN::Node::none.$SVN::Node::file. | |
2599 | $SVN::Node::dir.$SVN::Node::unknown. | |
2600 | $SVN::Node::none.$SVN::Node::file. | |
2601 | $SVN::Node::dir.$SVN::Node::unknown; | |
2602 | 1; | |
2603 | }; | |
2604 | } | |
2605 | ||
2606 | sub libsvn_connect { | |
2607 | my ($url) = @_; | |
2608 | my $auth = SVN::Core::auth_open([SVN::Client::get_simple_provider(), | |
2609 | SVN::Client::get_ssl_server_trust_file_provider(), | |
2610 | SVN::Client::get_username_provider()]); | |
2611 | my $s = eval { SVN::Ra->new(url => $url, auth => $auth) }; | |
2612 | return $s; | |
2613 | } | |
2614 | ||
2615 | sub libsvn_get_file { | |
2616 | my ($gui, $f, $rev) = @_; | |
2617 | my $p = $f; | |
308906fa EW |
2618 | if (length $SVN_PATH > 0) { |
2619 | return unless ($p =~ s#^\Q$SVN_PATH\E/##); | |
2620 | } | |
a5e0cedc | 2621 | |
968bdf1f | 2622 | my ($hash, $pid, $in, $out); |
a5e0cedc | 2623 | my $pool = SVN::Pool->new; |
968bdf1f EW |
2624 | defined($pid = open3($in, $out, '>&STDERR', |
2625 | qw/git-hash-object -w --stdin/)) or croak $!; | |
dc62e25c EW |
2626 | # redirect STDOUT for SVN 1.1.x compatibility |
2627 | open my $stdout, '>&', \*STDOUT or croak $!; | |
2628 | open STDOUT, '>&', $in or croak $!; | |
dc62e25c | 2629 | my ($r, $props) = $SVN->get_file($f, $rev, \*STDOUT, $pool); |
968bdf1f | 2630 | $in->flush == 0 or croak $!; |
dc62e25c | 2631 | open STDOUT, '>&', $stdout or croak $!; |
968bdf1f | 2632 | close $in or croak $!; |
dc62e25c | 2633 | close $stdout or croak $!; |
a5e0cedc | 2634 | $pool->clear; |
968bdf1f EW |
2635 | chomp($hash = do { local $/; <$out> }); |
2636 | close $out or croak $!; | |
2637 | waitpid $pid, 0; | |
2638 | $hash =~ /^$sha1$/o or die "not a sha1: $hash\n"; | |
2639 | ||
2640 | my $mode = exists $props->{'svn:executable'} ? '100755' : '100644'; | |
a5e0cedc EW |
2641 | if (exists $props->{'svn:special'}) { |
2642 | $mode = '120000'; | |
968bdf1f | 2643 | my $link = `git-cat-file blob $hash`; |
a5e0cedc EW |
2644 | $link =~ s/^link // or die "svn:special file with contents: <", |
2645 | $link, "> is not understood\n"; | |
968bdf1f EW |
2646 | defined($pid = open3($in, $out, '>&STDERR', |
2647 | qw/git-hash-object -w --stdin/)) or croak $!; | |
2648 | print $in $link; | |
2649 | $in->flush == 0 or croak $!; | |
2650 | close $in or croak $!; | |
2651 | chomp($hash = do { local $/; <$out> }); | |
2652 | close $out or croak $!; | |
2653 | waitpid $pid, 0; | |
2654 | $hash =~ /^$sha1$/o or die "not a sha1: $hash\n"; | |
a5e0cedc | 2655 | } |
a5e0cedc | 2656 | print $gui $mode,' ',$hash,"\t",$p,"\0" or croak $!; |
a5e0cedc EW |
2657 | } |
2658 | ||
2659 | sub libsvn_log_entry { | |
2660 | my ($rev, $author, $date, $msg, $parents) = @_; | |
2661 | my ($Y,$m,$d,$H,$M,$S) = ($date =~ /^(\d{4})\-(\d\d)\-(\d\d)T | |
2662 | (\d\d)\:(\d\d)\:(\d\d).\d+Z$/x) | |
2663 | or die "Unable to parse date: $date\n"; | |
2664 | if (defined $_authors && ! defined $users{$author}) { | |
2665 | die "Author: $author not defined in $_authors file\n"; | |
2666 | } | |
308906fa | 2667 | $msg = '' if ($rev == 0 && !defined $msg); |
a5e0cedc EW |
2668 | return { revision => $rev, date => "+0000 $Y-$m-$d $H:$M:$S", |
2669 | author => $author, msg => $msg."\n", parents => $parents || [] } | |
2670 | } | |
2671 | ||
2672 | sub process_rm { | |
2673 | my ($gui, $last_commit, $f) = @_; | |
2674 | $f =~ s#^\Q$SVN_PATH\E/?## or return; | |
2675 | # remove entire directories. | |
2676 | if (safe_qx('git-ls-tree',$last_commit,'--',$f) =~ /^040000 tree/) { | |
2677 | defined(my $pid = open my $ls, '-|') or croak $!; | |
2678 | if (!$pid) { | |
2679 | exec(qw/git-ls-tree -r --name-only -z/, | |
2680 | $last_commit,'--',$f) or croak $!; | |
2681 | } | |
2682 | local $/ = "\0"; | |
2683 | while (<$ls>) { | |
2684 | print $gui '0 ',0 x 40,"\t",$_ or croak $!; | |
2685 | } | |
cf7424b0 | 2686 | close $ls or croak $?; |
a5e0cedc EW |
2687 | } else { |
2688 | print $gui '0 ',0 x 40,"\t",$f,"\0" or croak $!; | |
2689 | } | |
2690 | } | |
2691 | ||
2692 | sub libsvn_fetch { | |
2693 | my ($last_commit, $paths, $rev, $author, $date, $msg) = @_; | |
2694 | open my $gui, '| git-update-index -z --index-info' or croak $!; | |
2695 | my @amr; | |
2696 | foreach my $f (keys %$paths) { | |
2697 | my $m = $paths->{$f}->action(); | |
2698 | $f =~ s#^/+##; | |
2699 | if ($m =~ /^[DR]$/) { | |
80f50749 | 2700 | print "\t$m\t$f\n" unless $_q; |
a5e0cedc EW |
2701 | process_rm($gui, $last_commit, $f); |
2702 | next if $m eq 'D'; | |
2703 | # 'R' can be file replacements, too, right? | |
2704 | } | |
2705 | my $pool = SVN::Pool->new; | |
2706 | my $t = $SVN->check_path($f, $rev, $pool); | |
2707 | if ($t == $SVN::Node::file) { | |
2708 | if ($m =~ /^[AMR]$/) { | |
80f50749 | 2709 | push @amr, [ $m, $f ]; |
a5e0cedc EW |
2710 | } else { |
2711 | die "Unrecognized action: $m, ($f r$rev)\n"; | |
2712 | } | |
d0d8f7dc EW |
2713 | } elsif ($t == $SVN::Node::dir && $m =~ /^[AR]$/) { |
2714 | my @traversed = (); | |
2715 | libsvn_traverse($gui, '', $f, $rev, \@traversed); | |
2716 | foreach (@traversed) { | |
2717 | push @amr, [ $m, $_ ] | |
2718 | } | |
a5e0cedc EW |
2719 | } |
2720 | $pool->clear; | |
2721 | } | |
80f50749 EW |
2722 | foreach (@amr) { |
2723 | print "\t$_->[0]\t$_->[1]\n" unless $_q; | |
2724 | libsvn_get_file($gui, $_->[1], $rev) | |
2725 | } | |
cf7424b0 | 2726 | close $gui or croak $?; |
a5e0cedc EW |
2727 | return libsvn_log_entry($rev, $author, $date, $msg, [$last_commit]); |
2728 | } | |
2729 | ||
2730 | sub svn_grab_base_rev { | |
2731 | defined(my $pid = open my $fh, '-|') or croak $!; | |
2732 | if (!$pid) { | |
2733 | open my $null, '>', '/dev/null' or croak $!; | |
2734 | open STDERR, '>&', $null or croak $!; | |
2735 | exec qw/git-rev-parse --verify/,"refs/remotes/$GIT_SVN^0" | |
2736 | or croak $!; | |
2737 | } | |
2738 | chomp(my $c = do { local $/; <$fh> }); | |
2739 | close $fh; | |
2740 | if (defined $c && length $c) { | |
c1927a85 | 2741 | my ($url, $rev, $uuid) = cmt_metadata($c); |
a00439ac EW |
2742 | return ($rev, $c) if defined $rev; |
2743 | } | |
2744 | if ($_no_metadata) { | |
2745 | my $offset = -41; # from tail | |
2746 | my $rl; | |
2747 | open my $fh, '<', $REVDB or | |
2748 | die "--no-metadata specified and $REVDB not readable\n"; | |
2749 | seek $fh, $offset, 2; | |
2750 | $rl = readline $fh; | |
2751 | defined $rl or return (undef, undef); | |
2752 | chomp $rl; | |
2753 | while ($c ne $rl && tell $fh != 0) { | |
2754 | $offset -= 41; | |
2755 | seek $fh, $offset, 2; | |
2756 | $rl = readline $fh; | |
2757 | defined $rl or return (undef, undef); | |
2758 | chomp $rl; | |
2759 | } | |
2760 | my $rev = tell $fh; | |
2761 | croak $! if ($rev < -1); | |
2762 | $rev = ($rev - 41) / 41; | |
2763 | close $fh or croak $!; | |
a5e0cedc EW |
2764 | return ($rev, $c); |
2765 | } | |
2766 | return (undef, undef); | |
2767 | } | |
2768 | ||
2769 | sub libsvn_parse_revision { | |
2770 | my $base = shift; | |
2771 | my $head = $SVN->get_latest_revnum(); | |
2772 | if (!defined $_revision || $_revision eq 'BASE:HEAD') { | |
2773 | return ($base + 1, $head) if (defined $base); | |
2774 | return (0, $head); | |
2775 | } | |
2776 | return ($1, $2) if ($_revision =~ /^(\d+):(\d+)$/); | |
2777 | return ($_revision, $_revision) if ($_revision =~ /^\d+$/); | |
2778 | if ($_revision =~ /^BASE:(\d+)$/) { | |
2779 | return ($base + 1, $1) if (defined $base); | |
2780 | return (0, $head); | |
2781 | } | |
2782 | return ($1, $head) if ($_revision =~ /^(\d+):HEAD$/); | |
2783 | die "revision argument: $_revision not understood by git-svn\n", | |
2784 | "Try using the command-line svn client instead\n"; | |
2785 | } | |
2786 | ||
2787 | sub libsvn_traverse { | |
d0d8f7dc | 2788 | my ($gui, $pfx, $path, $rev, $files) = @_; |
a5e0cedc EW |
2789 | my $cwd = "$pfx/$path"; |
2790 | my $pool = SVN::Pool->new; | |
2791 | $cwd =~ s#^/+##g; | |
2792 | my ($dirent, $r, $props) = $SVN->get_dir($cwd, $rev, $pool); | |
2793 | foreach my $d (keys %$dirent) { | |
2794 | my $t = $dirent->{$d}->kind; | |
2795 | if ($t == $SVN::Node::dir) { | |
d0d8f7dc | 2796 | libsvn_traverse($gui, $cwd, $d, $rev, $files); |
a5e0cedc | 2797 | } elsif ($t == $SVN::Node::file) { |
d0d8f7dc EW |
2798 | my $file = "$cwd/$d"; |
2799 | if (defined $files) { | |
2800 | push @$files, $file; | |
2801 | } else { | |
2802 | print "\tA\t$file\n" unless $_q; | |
2803 | libsvn_get_file($gui, $file, $rev); | |
2804 | } | |
a5e0cedc EW |
2805 | } |
2806 | } | |
2807 | $pool->clear; | |
2808 | } | |
2809 | ||
2810 | sub libsvn_traverse_ignore { | |
2811 | my ($fh, $path, $r) = @_; | |
2812 | $path =~ s#^/+##g; | |
2813 | my $pool = SVN::Pool->new; | |
2814 | my ($dirent, undef, $props) = $SVN->get_dir($path, $r, $pool); | |
2815 | my $p = $path; | |
2816 | $p =~ s#^\Q$SVN_PATH\E/?##; | |
2817 | print $fh length $p ? "\n# $p\n" : "\n# /\n"; | |
2818 | if (my $s = $props->{'svn:ignore'}) { | |
2819 | $s =~ s/[\r\n]+/\n/g; | |
2820 | chomp $s; | |
2821 | if (length $p == 0) { | |
2822 | $s =~ s#\n#\n/$p#g; | |
2823 | print $fh "/$s\n"; | |
2824 | } else { | |
2825 | $s =~ s#\n#\n/$p/#g; | |
2826 | print $fh "/$p/$s\n"; | |
2827 | } | |
2828 | } | |
2829 | foreach (sort keys %$dirent) { | |
2830 | next if $dirent->{$_}->kind != $SVN::Node::dir; | |
2831 | libsvn_traverse_ignore($fh, "$path/$_", $r); | |
2832 | } | |
2833 | $pool->clear; | |
2834 | } | |
2835 | ||
42d32870 EW |
2836 | sub revisions_eq { |
2837 | my ($path, $r0, $r1) = @_; | |
2838 | return 1 if $r0 == $r1; | |
2839 | my $nr = 0; | |
2840 | if ($_use_lib) { | |
2841 | # should be OK to use Pool here (r1 - r0) should be small | |
2842 | my $pool = SVN::Pool->new; | |
dc62e25c EW |
2843 | libsvn_get_log($SVN, "/$path", $r0, $r1, |
2844 | 0, 1, 1, sub {$nr++}, $pool); | |
42d32870 EW |
2845 | $pool->clear; |
2846 | } else { | |
2847 | my ($url, undef) = repo_path_split($SVN_URL); | |
2848 | my $svn_log = svn_log_raw("$url/$path","-r$r0:$r1"); | |
2849 | while (next_log_entry($svn_log)) { $nr++ } | |
2850 | close $svn_log->{fh}; | |
2851 | } | |
2852 | return 0 if ($nr > 1); | |
2853 | return 1; | |
2854 | } | |
2855 | ||
2856 | sub libsvn_find_parent_branch { | |
a5e0cedc EW |
2857 | my ($paths, $rev, $author, $date, $msg) = @_; |
2858 | my $svn_path = '/'.$SVN_PATH; | |
2859 | ||
2860 | # look for a parent from another branch: | |
cf7424b0 EW |
2861 | my $i = $paths->{$svn_path} or return; |
2862 | my $branch_from = $i->copyfrom_path or return; | |
2863 | my $r = $i->copyfrom_rev; | |
2864 | print STDERR "Found possible branch point: ", | |
2865 | "$branch_from => $svn_path, $r\n"; | |
2866 | $branch_from =~ s#^/##; | |
a00439ac EW |
2867 | my $l_map = {}; |
2868 | read_url_paths_all($l_map, '', "$GIT_DIR/svn"); | |
cf7424b0 EW |
2869 | my $url = $SVN->{url}; |
2870 | defined $l_map->{$url} or return; | |
a00439ac EW |
2871 | my $id = $l_map->{$url}->{$branch_from}; |
2872 | if (!defined $id && $_follow_parent) { | |
2873 | print STDERR "Following parent: $branch_from\@$r\n"; | |
2874 | # auto create a new branch and follow it | |
2875 | $id = basename($branch_from); | |
2876 | $id .= '@'.$r if -r "$GIT_DIR/svn/$id"; | |
2877 | while (-r "$GIT_DIR/svn/$id") { | |
2878 | # just grow a tail if we're not unique enough :x | |
2879 | $id .= '-'; | |
2880 | } | |
2881 | } | |
2882 | return unless defined $id; | |
2883 | ||
cf7424b0 | 2884 | my ($r0, $parent) = find_rev_before($r,$id,1); |
a00439ac EW |
2885 | if ($_follow_parent && (!defined $r0 || !defined $parent)) { |
2886 | defined(my $pid = fork) or croak $!; | |
2887 | if (!$pid) { | |
2888 | $GIT_SVN = $ENV{GIT_SVN_ID} = $id; | |
2889 | init_vars(); | |
2890 | $SVN_URL = "$url/$branch_from"; | |
2891 | $SVN_LOG = $SVN = undef; | |
2892 | setup_git_svn(); | |
2893 | # we can't assume SVN_URL exists at r+1: | |
2894 | $_revision = "0:$r"; | |
2895 | fetch_lib(); | |
2896 | exit 0; | |
2897 | } | |
2898 | waitpid $pid, 0; | |
2899 | croak $? if $?; | |
2900 | ($r0, $parent) = find_rev_before($r,$id,1); | |
2901 | } | |
cf7424b0 EW |
2902 | return unless (defined $r0 && defined $parent); |
2903 | if (revisions_eq($branch_from, $r0, $r)) { | |
2904 | unlink $GIT_SVN_INDEX; | |
a00439ac | 2905 | print STDERR "Found branch parent: ($GIT_SVN) $parent\n"; |
cf7424b0 EW |
2906 | sys(qw/git-read-tree/, $parent); |
2907 | return libsvn_fetch($parent, $paths, $rev, | |
2908 | $author, $date, $msg); | |
2909 | } | |
2910 | print STDERR "Nope, branch point not imported or unknown\n"; | |
42d32870 EW |
2911 | return undef; |
2912 | } | |
2913 | ||
dc62e25c EW |
2914 | sub libsvn_get_log { |
2915 | my ($ra, @args) = @_; | |
2916 | if ($SVN::Core::VERSION le '1.2.0') { | |
2917 | splice(@args, 3, 1); | |
2918 | } | |
2919 | $ra->get_log(@args); | |
2920 | } | |
2921 | ||
42d32870 EW |
2922 | sub libsvn_new_tree { |
2923 | if (my $log_entry = libsvn_find_parent_branch(@_)) { | |
2924 | return $log_entry; | |
2925 | } | |
2926 | my ($paths, $rev, $author, $date, $msg) = @_; | |
a5e0cedc | 2927 | open my $gui, '| git-update-index -z --index-info' or croak $!; |
d0d8f7dc | 2928 | libsvn_traverse($gui, '', $SVN_PATH, $rev); |
cf7424b0 | 2929 | close $gui or croak $?; |
a5e0cedc EW |
2930 | return libsvn_log_entry($rev, $author, $date, $msg); |
2931 | } | |
2932 | ||
2933 | sub find_graft_path_commit { | |
2934 | my ($tree_paths, $p1, $r1) = @_; | |
2935 | foreach my $x (keys %$tree_paths) { | |
2936 | next unless ($p1 =~ /^\Q$x\E/); | |
2937 | my $i = $tree_paths->{$x}; | |
42d32870 EW |
2938 | my ($r0, $parent) = find_rev_before($r1,$i,1); |
2939 | return $parent if (defined $r0 && $r0 == $r1); | |
a5e0cedc EW |
2940 | print STDERR "r$r1 of $i not imported\n"; |
2941 | next; | |
2942 | } | |
2943 | return undef; | |
2944 | } | |
2945 | ||
2946 | sub find_graft_path_parents { | |
2947 | my ($grafts, $tree_paths, $c, $p0, $r0) = @_; | |
2948 | foreach my $x (keys %$tree_paths) { | |
2949 | next unless ($p0 =~ /^\Q$x\E/); | |
2950 | my $i = $tree_paths->{$x}; | |
42d32870 EW |
2951 | my ($r, $parent) = find_rev_before($r0, $i, 1); |
2952 | if (defined $r && defined $parent && revisions_eq($x,$r,$r0)) { | |
c1927a85 EW |
2953 | my ($url_b, undef, $uuid_b) = cmt_metadata($c); |
2954 | my ($url_a, undef, $uuid_a) = cmt_metadata($parent); | |
2955 | next if ($url_a && $url_b && $url_a eq $url_b && | |
2956 | $uuid_b eq $uuid_a); | |
42d32870 | 2957 | $grafts->{$c}->{$parent} = 1; |
a5e0cedc | 2958 | } |
a5e0cedc EW |
2959 | } |
2960 | } | |
2961 | ||
2962 | sub libsvn_graft_file_copies { | |
2963 | my ($grafts, $tree_paths, $path, $paths, $rev) = @_; | |
2964 | foreach (keys %$paths) { | |
2965 | my $i = $paths->{$_}; | |
2966 | my ($m, $p0, $r0) = ($i->action, $i->copyfrom_path, | |
2967 | $i->copyfrom_rev); | |
2968 | next unless (defined $p0 && defined $r0); | |
2969 | ||
2970 | my $p1 = $_; | |
2971 | $p1 =~ s#^/##; | |
2972 | $p0 =~ s#^/##; | |
2973 | my $c = find_graft_path_commit($tree_paths, $p1, $rev); | |
2974 | next unless $c; | |
2975 | find_graft_path_parents($grafts, $tree_paths, $c, $p0, $r0); | |
2976 | } | |
2977 | } | |
2978 | ||
2979 | sub set_index { | |
2980 | my $old = $ENV{GIT_INDEX_FILE}; | |
2981 | $ENV{GIT_INDEX_FILE} = shift; | |
2982 | return $old; | |
2983 | } | |
2984 | ||
2985 | sub restore_index { | |
2986 | my ($old) = @_; | |
2987 | if (defined $old) { | |
2988 | $ENV{GIT_INDEX_FILE} = $old; | |
2989 | } else { | |
2990 | delete $ENV{GIT_INDEX_FILE}; | |
2991 | } | |
2992 | } | |
2993 | ||
2994 | sub libsvn_commit_cb { | |
2995 | my ($rev, $date, $committer, $c, $msg, $r_last, $cmt_last) = @_; | |
42d32870 | 2996 | if ($_optimize_commits && $rev == ($r_last + 1)) { |
a5e0cedc EW |
2997 | my $log = libsvn_log_entry($rev,$committer,$date,$msg); |
2998 | $log->{tree} = get_tree_from_treeish($c); | |
2999 | my $cmt = git_commit($log, $cmt_last, $c); | |
3000 | my @diff = safe_qx('git-diff-tree', $cmt, $c); | |
3001 | if (@diff) { | |
3002 | print STDERR "Trees differ: $cmt $c\n", | |
3003 | join('',@diff),"\n"; | |
3004 | exit 1; | |
3005 | } | |
3006 | } else { | |
cf7424b0 | 3007 | fetch("$rev=$c"); |
a5e0cedc EW |
3008 | } |
3009 | } | |
3010 | ||
3011 | sub libsvn_ls_fullurl { | |
3012 | my $fullurl = shift; | |
3013 | my ($repo, $path) = repo_path_split($fullurl); | |
3014 | $SVN ||= libsvn_connect($repo); | |
3015 | my @ret; | |
3016 | my $pool = SVN::Pool->new; | |
3017 | my ($dirent, undef, undef) = $SVN->get_dir($path, | |
3018 | $SVN->get_latest_revnum, $pool); | |
3019 | foreach my $d (keys %$dirent) { | |
3020 | if ($dirent->{$d}->kind == $SVN::Node::dir) { | |
3021 | push @ret, "$d/"; # add '/' for compat with cli svn | |
3022 | } | |
3023 | } | |
3024 | $pool->clear; | |
3025 | return @ret; | |
3026 | } | |
3027 | ||
3028 | ||
3029 | sub libsvn_skip_unknown_revs { | |
3030 | my $err = shift; | |
3031 | my $errno = $err->apr_err(); | |
3032 | # Maybe the branch we're tracking didn't | |
3033 | # exist when the repo started, so it's | |
3034 | # not an error if it doesn't, just continue | |
3035 | # | |
3036 | # Wonderfully consistent library, eh? | |
3037 | # 160013 - svn:// and file:// | |
3038 | # 175002 - http(s):// | |
3039 | # More codes may be discovered later... | |
3040 | if ($errno == 175002 || $errno == 160013) { | |
a5e0cedc EW |
3041 | return; |
3042 | } | |
3043 | croak "Error from SVN, ($errno): ", $err->expanded_message,"\n"; | |
3044 | }; | |
3045 | ||
42d32870 EW |
3046 | # Tie::File seems to be prone to offset errors if revisions get sparse, |
3047 | # it's not that fast, either. Tie::File is also not in Perl 5.6. So | |
3048 | # one of my favorite modules is out :< Next up would be one of the DBM | |
3049 | # modules, but I'm not sure which is most portable... So I'll just | |
3050 | # go with something that's plain-text, but still capable of | |
3051 | # being randomly accessed. So here's my ultra-simple fixed-width | |
3052 | # database. All records are 40 characters + "\n", so it's easy to seek | |
3053 | # to a revision: (41 * rev) is the byte offset. | |
3054 | # A record of 40 0s denotes an empty revision. | |
3055 | # And yes, it's still pretty fast (faster than Tie::File). | |
3056 | sub revdb_set { | |
3057 | my ($file, $rev, $commit) = @_; | |
3058 | length $commit == 40 or croak "arg3 must be a full SHA1 hexsum\n"; | |
3059 | open my $fh, '+<', $file or croak $!; | |
3060 | my $offset = $rev * 41; | |
3061 | # assume that append is the common case: | |
3062 | seek $fh, 0, 2 or croak $!; | |
3063 | my $pos = tell $fh; | |
3064 | if ($pos < $offset) { | |
3065 | print $fh (('0' x 40),"\n") x (($offset - $pos) / 41); | |
3066 | } | |
3067 | seek $fh, $offset, 0 or croak $!; | |
3068 | print $fh $commit,"\n"; | |
3069 | close $fh or croak $!; | |
3070 | } | |
3071 | ||
3072 | sub revdb_get { | |
3073 | my ($file, $rev) = @_; | |
3074 | my $ret; | |
3075 | my $offset = $rev * 41; | |
3076 | open my $fh, '<', $file or croak $!; | |
3077 | seek $fh, $offset, 0; | |
3078 | if (tell $fh == $offset) { | |
3079 | $ret = readline $fh; | |
3080 | if (defined $ret) { | |
3081 | chomp $ret; | |
3082 | $ret = undef if ($ret =~ /^0{40}$/); | |
3083 | } | |
3084 | } | |
3085 | close $fh or croak $!; | |
3086 | return $ret; | |
3087 | } | |
3088 | ||
1a82e793 EW |
3089 | sub copy_remote_ref { |
3090 | my $origin = $_cp_remote ? $_cp_remote : 'origin'; | |
3091 | my $ref = "refs/remotes/$GIT_SVN"; | |
3092 | if (safe_qx('git-ls-remote', $origin, $ref)) { | |
3093 | sys(qw/git fetch/, $origin, "$ref:$ref"); | |
3094 | } else { | |
3095 | die "Unable to find remote reference: ", | |
3096 | "refs/remotes/$GIT_SVN on $origin\n"; | |
3097 | } | |
3098 | } | |
3099 | ||
a5e0cedc EW |
3100 | package SVN::Git::Editor; |
3101 | use vars qw/@ISA/; | |
3102 | use strict; | |
3103 | use warnings; | |
3104 | use Carp qw/croak/; | |
3105 | use IO::File; | |
3106 | ||
3107 | sub new { | |
3108 | my $class = shift; | |
3109 | my $git_svn = shift; | |
3110 | my $self = SVN::Delta::Editor->new(@_); | |
3111 | bless $self, $class; | |
3112 | foreach (qw/svn_path c r ra /) { | |
3113 | die "$_ required!\n" unless (defined $git_svn->{$_}); | |
3114 | $self->{$_} = $git_svn->{$_}; | |
3115 | } | |
3116 | $self->{pool} = SVN::Pool->new; | |
3117 | $self->{bat} = { '' => $self->open_root($self->{r}, $self->{pool}) }; | |
3118 | $self->{rm} = { }; | |
3119 | require Digest::MD5; | |
3120 | return $self; | |
3121 | } | |
3122 | ||
3123 | sub split_path { | |
3124 | return ($_[0] =~ m#^(.*?)/?([^/]+)$#); | |
3125 | } | |
3126 | ||
3127 | sub repo_path { | |
3128 | (defined $_[1] && length $_[1]) ? "$_[0]->{svn_path}/$_[1]" | |
3129 | : $_[0]->{svn_path} | |
3130 | } | |
3131 | ||
3132 | sub url_path { | |
3133 | my ($self, $path) = @_; | |
3134 | $self->{ra}->{url} . '/' . $self->repo_path($path); | |
3135 | } | |
3136 | ||
3137 | sub rmdirs { | |
80f50749 | 3138 | my ($self, $q) = @_; |
a5e0cedc EW |
3139 | my $rm = $self->{rm}; |
3140 | delete $rm->{''}; # we never delete the url we're tracking | |
3141 | return unless %$rm; | |
3142 | ||
3143 | foreach (keys %$rm) { | |
3144 | my @d = split m#/#, $_; | |
3145 | my $c = shift @d; | |
3146 | $rm->{$c} = 1; | |
3147 | while (@d) { | |
3148 | $c .= '/' . shift @d; | |
3149 | $rm->{$c} = 1; | |
3150 | } | |
3151 | } | |
3152 | delete $rm->{$self->{svn_path}}; | |
3153 | delete $rm->{''}; # we never delete the url we're tracking | |
3154 | return unless %$rm; | |
3155 | ||
3156 | defined(my $pid = open my $fh,'-|') or croak $!; | |
3157 | if (!$pid) { | |
3158 | exec qw/git-ls-tree --name-only -r -z/, $self->{c} or croak $!; | |
3159 | } | |
3160 | local $/ = "\0"; | |
c07eee1f | 3161 | my @svn_path = split m#/#, $self->{svn_path}; |
a5e0cedc EW |
3162 | while (<$fh>) { |
3163 | chomp; | |
c07eee1f EW |
3164 | my @dn = (@svn_path, (split m#/#, $_)); |
3165 | while (pop @dn) { | |
3166 | delete $rm->{join '/', @dn}; | |
3167 | } | |
3168 | unless (%$rm) { | |
3169 | close $fh; | |
3170 | return; | |
3171 | } | |
a5e0cedc | 3172 | } |
c07eee1f EW |
3173 | close $fh; |
3174 | ||
a5e0cedc EW |
3175 | my ($r, $p, $bat) = ($self->{r}, $self->{pool}, $self->{bat}); |
3176 | foreach my $d (sort { $b =~ tr#/#/# <=> $a =~ tr#/#/# } keys %$rm) { | |
3177 | $self->close_directory($bat->{$d}, $p); | |
3178 | my ($dn) = ($d =~ m#^(.*?)/?(?:[^/]+)$#); | |
80f50749 | 3179 | print "\tD+\t/$d/\n" unless $q; |
a5e0cedc EW |
3180 | $self->SUPER::delete_entry($d, $r, $bat->{$dn}, $p); |
3181 | delete $bat->{$d}; | |
3182 | } | |
3183 | } | |
3184 | ||
3185 | sub open_or_add_dir { | |
3186 | my ($self, $full_path, $baton) = @_; | |
3187 | my $p = SVN::Pool->new; | |
3188 | my $t = $self->{ra}->check_path($full_path, $self->{r}, $p); | |
3189 | $p->clear; | |
3190 | if ($t == $SVN::Node::none) { | |
3191 | return $self->add_directory($full_path, $baton, | |
3192 | undef, -1, $self->{pool}); | |
3193 | } elsif ($t == $SVN::Node::dir) { | |
3194 | return $self->open_directory($full_path, $baton, | |
3195 | $self->{r}, $self->{pool}); | |
3196 | } | |
3197 | print STDERR "$full_path already exists in repository at ", | |
3198 | "r$self->{r} and it is not a directory (", | |
3199 | ($t == $SVN::Node::file ? 'file' : 'unknown'),"/$t)\n"; | |
3200 | exit 1; | |
3201 | } | |
3202 | ||
3203 | sub ensure_path { | |
3204 | my ($self, $path) = @_; | |
3205 | my $bat = $self->{bat}; | |
3206 | $path = $self->repo_path($path); | |
3207 | return $bat->{''} unless (length $path); | |
3208 | my @p = split m#/+#, $path; | |
3209 | my $c = shift @p; | |
3210 | $bat->{$c} ||= $self->open_or_add_dir($c, $bat->{''}); | |
3211 | while (@p) { | |
3212 | my $c0 = $c; | |
3213 | $c .= '/' . shift @p; | |
3214 | $bat->{$c} ||= $self->open_or_add_dir($c, $bat->{$c0}); | |
3215 | } | |
3216 | return $bat->{$c}; | |
3217 | } | |
3218 | ||
3219 | sub A { | |
80f50749 | 3220 | my ($self, $m, $q) = @_; |
a5e0cedc EW |
3221 | my ($dir, $file) = split_path($m->{file_b}); |
3222 | my $pbat = $self->ensure_path($dir); | |
3223 | my $fbat = $self->add_file($self->repo_path($m->{file_b}), $pbat, | |
3224 | undef, -1); | |
80f50749 | 3225 | print "\tA\t$m->{file_b}\n" unless $q; |
a5e0cedc EW |
3226 | $self->chg_file($fbat, $m); |
3227 | $self->close_file($fbat,undef,$self->{pool}); | |
3228 | } | |
3229 | ||
3230 | sub C { | |
80f50749 | 3231 | my ($self, $m, $q) = @_; |
a5e0cedc EW |
3232 | my ($dir, $file) = split_path($m->{file_b}); |
3233 | my $pbat = $self->ensure_path($dir); | |
3234 | my $fbat = $self->add_file($self->repo_path($m->{file_b}), $pbat, | |
3235 | $self->url_path($m->{file_a}), $self->{r}); | |
80f50749 | 3236 | print "\tC\t$m->{file_a} => $m->{file_b}\n" unless $q; |
a5e0cedc EW |
3237 | $self->chg_file($fbat, $m); |
3238 | $self->close_file($fbat,undef,$self->{pool}); | |
3239 | } | |
3240 | ||
3241 | sub delete_entry { | |
3242 | my ($self, $path, $pbat) = @_; | |
3243 | my $rpath = $self->repo_path($path); | |
3244 | my ($dir, $file) = split_path($rpath); | |
3245 | $self->{rm}->{$dir} = 1; | |
3246 | $self->SUPER::delete_entry($rpath, $self->{r}, $pbat, $self->{pool}); | |
3247 | } | |
3248 | ||
3249 | sub R { | |
80f50749 | 3250 | my ($self, $m, $q) = @_; |
a5e0cedc EW |
3251 | my ($dir, $file) = split_path($m->{file_b}); |
3252 | my $pbat = $self->ensure_path($dir); | |
3253 | my $fbat = $self->add_file($self->repo_path($m->{file_b}), $pbat, | |
3254 | $self->url_path($m->{file_a}), $self->{r}); | |
80f50749 | 3255 | print "\tR\t$m->{file_a} => $m->{file_b}\n" unless $q; |
a5e0cedc EW |
3256 | $self->chg_file($fbat, $m); |
3257 | $self->close_file($fbat,undef,$self->{pool}); | |
3258 | ||
3259 | ($dir, $file) = split_path($m->{file_a}); | |
3260 | $pbat = $self->ensure_path($dir); | |
3261 | $self->delete_entry($m->{file_a}, $pbat); | |
3262 | } | |
3263 | ||
3264 | sub M { | |
80f50749 | 3265 | my ($self, $m, $q) = @_; |
a5e0cedc EW |
3266 | my ($dir, $file) = split_path($m->{file_b}); |
3267 | my $pbat = $self->ensure_path($dir); | |
3268 | my $fbat = $self->open_file($self->repo_path($m->{file_b}), | |
3269 | $pbat,$self->{r},$self->{pool}); | |
80f50749 | 3270 | print "\t$m->{chg}\t$m->{file_b}\n" unless $q; |
a5e0cedc EW |
3271 | $self->chg_file($fbat, $m); |
3272 | $self->close_file($fbat,undef,$self->{pool}); | |
3273 | } | |
3274 | ||
3275 | sub T { shift->M(@_) } | |
3276 | ||
3277 | sub change_file_prop { | |
3278 | my ($self, $fbat, $pname, $pval) = @_; | |
3279 | $self->SUPER::change_file_prop($fbat, $pname, $pval, $self->{pool}); | |
3280 | } | |
3281 | ||
3282 | sub chg_file { | |
3283 | my ($self, $fbat, $m) = @_; | |
3284 | if ($m->{mode_b} =~ /755$/ && $m->{mode_a} !~ /755$/) { | |
3285 | $self->change_file_prop($fbat,'svn:executable','*'); | |
3286 | } elsif ($m->{mode_b} !~ /755$/ && $m->{mode_a} =~ /755$/) { | |
3287 | $self->change_file_prop($fbat,'svn:executable',undef); | |
3288 | } | |
3289 | my $fh = IO::File->new_tmpfile or croak $!; | |
3290 | if ($m->{mode_b} =~ /^120/) { | |
3291 | print $fh 'link ' or croak $!; | |
3292 | $self->change_file_prop($fbat,'svn:special','*'); | |
3293 | } elsif ($m->{mode_a} =~ /^120/ && $m->{mode_b} !~ /^120/) { | |
3294 | $self->change_file_prop($fbat,'svn:special',undef); | |
3295 | } | |
3296 | defined(my $pid = fork) or croak $!; | |
3297 | if (!$pid) { | |
3298 | open STDOUT, '>&', $fh or croak $!; | |
3299 | exec qw/git-cat-file blob/, $m->{sha1_b} or croak $!; | |
3300 | } | |
3301 | waitpid $pid, 0; | |
3302 | croak $? if $?; | |
3303 | $fh->flush == 0 or croak $!; | |
3304 | seek $fh, 0, 0 or croak $!; | |
3305 | ||
3306 | my $md5 = Digest::MD5->new; | |
3307 | $md5->addfile($fh) or croak $!; | |
3308 | seek $fh, 0, 0 or croak $!; | |
3309 | ||
3310 | my $exp = $md5->hexdigest; | |
3311 | my $atd = $self->apply_textdelta($fbat, undef, $self->{pool}); | |
3312 | my $got = SVN::TxDelta::send_stream($fh, @$atd, $self->{pool}); | |
3313 | die "Checksum mismatch\nexpected: $exp\ngot: $got\n" if ($got ne $exp); | |
3314 | ||
3315 | close $fh or croak $!; | |
3316 | } | |
3317 | ||
3318 | sub D { | |
80f50749 | 3319 | my ($self, $m, $q) = @_; |
a5e0cedc EW |
3320 | my ($dir, $file) = split_path($m->{file_b}); |
3321 | my $pbat = $self->ensure_path($dir); | |
80f50749 | 3322 | print "\tD\t$m->{file_b}\n" unless $q; |
a5e0cedc EW |
3323 | $self->delete_entry($m->{file_b}, $pbat); |
3324 | } | |
3325 | ||
3326 | sub close_edit { | |
3327 | my ($self) = @_; | |
3328 | my ($p,$bat) = ($self->{pool}, $self->{bat}); | |
3329 | foreach (sort { $b =~ tr#/#/# <=> $a =~ tr#/#/# } keys %$bat) { | |
3330 | $self->close_directory($bat->{$_}, $p); | |
3331 | } | |
3332 | $self->SUPER::close_edit($p); | |
3333 | $p->clear; | |
3334 | } | |
3335 | ||
3336 | sub abort_edit { | |
3337 | my ($self) = @_; | |
3338 | $self->SUPER::abort_edit($self->{pool}); | |
3339 | $self->{pool}->clear; | |
3340 | } | |
3341 | ||
3397f9df EW |
3342 | __END__ |
3343 | ||
3344 | Data structures: | |
3345 | ||
03823184 EW |
3346 | $svn_log hashref (as returned by svn_log_raw) |
3347 | { | |
3348 | fh => file handle of the log file, | |
3349 | state => state of the log file parser (sep/msg/rev/msg_start...) | |
3350 | } | |
3397f9df | 3351 | |
03823184 | 3352 | $log_msg hashref as returned by next_log_entry($svn_log) |
3397f9df EW |
3353 | { |
3354 | msg => 'whitespace-formatted log entry | |
3355 | ', # trailing newline is preserved | |
3356 | revision => '8', # integer | |
3357 | date => '2004-02-24T17:01:44.108345Z', # commit date | |
3358 | author => 'committer name' | |
3359 | }; | |
3360 | ||
3361 | ||
3362 | @mods = array of diff-index line hashes, each element represents one line | |
3363 | of diff-index output | |
3364 | ||
3365 | diff-index line ($m hash) | |
3366 | { | |
3367 | mode_a => first column of diff-index output, no leading ':', | |
3368 | mode_b => second column of diff-index output, | |
3369 | sha1_b => sha1sum of the final blob, | |
ac8e0b91 | 3370 | chg => change type [MCRADT], |
3397f9df EW |
3371 | file_a => original file name of a file (iff chg is 'C' or 'R') |
3372 | file_b => new/current file name of a file (any chg) | |
3373 | } | |
3374 | ; | |
a5e0cedc | 3375 | |
a00439ac EW |
3376 | # retval of read_url_paths{,_all}(); |
3377 | $l_map = { | |
3378 | # repository root url | |
3379 | 'https://svn.musicpd.org' => { | |
3380 | # repository path # GIT_SVN_ID | |
3381 | 'mpd/trunk' => 'trunk', | |
3382 | 'mpd/tags/0.11.5' => 'tags/0.11.5', | |
3383 | }, | |
3384 | } | |
3385 | ||
a5e0cedc EW |
3386 | Notes: |
3387 | I don't trust the each() function on unless I created %hash myself | |
3388 | because the internal iterator may not have started at base. |