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eaf718f3 MU |
1 | #!/usr/bin/perl -w |
2 | ||
3 | # This tool is copyright (c) 2005, Matthias Urlichs. | |
4 | # It is released under the Gnu Public License, version 2. | |
5 | # | |
6 | # The basic idea is to pull and analyze SVN changes. | |
7 | # | |
8 | # Checking out the files is done by a single long-running CVS connection | |
9 | # / server process. | |
10 | # | |
11 | # The head revision is on branch "origin" by default. | |
12 | # You can change that with the '-o' option. | |
13 | ||
14 | require v5.8.0; # for shell-safe open("-|",LIST) | |
15 | use strict; | |
16 | use warnings; | |
17 | use Getopt::Std; | |
18 | use File::Spec; | |
19 | use File::Temp qw(tempfile); | |
20 | use File::Path qw(mkpath); | |
21 | use File::Basename qw(basename dirname); | |
22 | use Time::Local; | |
23 | use IO::Pipe; | |
24 | use POSIX qw(strftime dup2); | |
25 | use IPC::Open2; | |
26 | use SVN::Core; | |
27 | use SVN::Ra; | |
28 | ||
37dcf6de MU |
29 | die "Need CVN:COre 1.2.1 or better" if $SVN::Core::VERSION lt "1.2.1"; |
30 | ||
eaf718f3 MU |
31 | $SIG{'PIPE'}="IGNORE"; |
32 | $ENV{'TZ'}="UTC"; | |
33 | ||
7ee74a99 | 34 | our($opt_h,$opt_o,$opt_v,$opt_u,$opt_C,$opt_i,$opt_m,$opt_M,$opt_t,$opt_T,$opt_b,$opt_s); |
eaf718f3 MU |
35 | |
36 | sub usage() { | |
37 | print STDERR <<END; | |
38 | Usage: ${\basename $0} # fetch/update GIT from CVS | |
39 | [-o branch-for-HEAD] [-h] [-v] | |
40 | [-C GIT_repository] [-t tagname] [-T trunkname] [-b branchname] | |
7ee74a99 | 41 | [-i] [-u] [-s start_chg] [-m] [-M regex] [SVN_URL] |
eaf718f3 MU |
42 | END |
43 | exit(1); | |
44 | } | |
45 | ||
7ee74a99 | 46 | getopts("b:C:hivmM:o:s:t:T:u") or usage(); |
eaf718f3 MU |
47 | usage if $opt_h; |
48 | ||
49 | my $tag_name = $opt_t || "tags"; | |
50 | my $trunk_name = $opt_T || "trunk"; | |
51 | my $branch_name = $opt_b || "branches"; | |
52 | ||
53 | @ARGV <= 1 or usage(); | |
54 | ||
55 | $opt_o ||= "origin"; | |
56 | my $git_tree = $opt_C; | |
57 | $git_tree ||= "."; | |
58 | ||
59 | my $cvs_tree; | |
60 | if ($#ARGV == 0) { | |
61 | $cvs_tree = $ARGV[0]; | |
62 | } elsif (-f 'CVS/Repository') { | |
63 | open my $f, '<', 'CVS/Repository' or | |
64 | die 'Failed to open CVS/Repository'; | |
65 | $cvs_tree = <$f>; | |
66 | chomp $cvs_tree; | |
67 | close $f; | |
68 | } else { | |
69 | usage(); | |
70 | } | |
71 | ||
72 | our @mergerx = (); | |
73 | if ($opt_m) { | |
74 | @mergerx = ( qr/\W(?:from|of|merge|merging|merged) (\w+)/i ); | |
75 | } | |
76 | if ($opt_M) { | |
77 | push (@mergerx, qr/$opt_M/); | |
78 | } | |
79 | ||
80 | select(STDERR); $|=1; select(STDOUT); | |
81 | ||
82 | ||
83 | package SVNconn; | |
84 | # Basic SVN connection. | |
85 | # We're only interested in connecting and downloading, so ... | |
86 | ||
87 | use File::Spec; | |
88 | use File::Temp qw(tempfile); | |
89 | use POSIX qw(strftime dup2); | |
90 | ||
91 | sub new { | |
92 | my($what,$repo) = @_; | |
93 | $what=ref($what) if ref($what); | |
94 | ||
95 | my $self = {}; | |
96 | $self->{'buffer'} = ""; | |
97 | bless($self,$what); | |
98 | ||
99 | $repo =~ s#/+$##; | |
100 | $self->{'fullrep'} = $repo; | |
101 | $self->conn(); | |
102 | ||
eaf718f3 MU |
103 | return $self; |
104 | } | |
105 | ||
106 | sub conn { | |
107 | my $self = shift; | |
108 | my $repo = $self->{'fullrep'}; | |
109 | my $s = SVN::Ra->new($repo); | |
110 | ||
111 | die "SVN connection to $repo: $!\n" unless defined $s; | |
112 | $self->{'svn'} = $s; | |
113 | $self->{'repo'} = $repo; | |
114 | $self->{'maxrev'} = $s->get_latest_revnum(); | |
115 | } | |
116 | ||
117 | sub file { | |
118 | my($self,$path,$rev) = @_; | |
119 | my $res; | |
120 | ||
121 | my ($fh, $name) = tempfile('gitsvn.XXXXXX', | |
122 | DIR => File::Spec->tmpdir(), UNLINK => 1); | |
123 | ||
2b5e63d1 | 124 | print "... $rev $path ...\n" if $opt_v; |
f02b3eba | 125 | eval { $self->{'svn'}->get_file($path,$rev,$fh); }; |
8cd4177d | 126 | if ($@ and $@ !~ /Attempted to get checksum/) { |
eaf718f3 MU |
127 | # retry |
128 | $self->conn(); | |
2b5e63d1 | 129 | eval { $self->{'svn'}->get_file($path,$rev,$fh); }; |
eaf718f3 | 130 | }; |
8cd4177d | 131 | return () if $@ and $@ !~ /Attempted to get checksum/; |
2b5e63d1 | 132 | die $@ if $@; |
eaf718f3 MU |
133 | close ($fh); |
134 | ||
135 | return ($name, $res); | |
136 | } | |
137 | ||
138 | ||
139 | package main; | |
140 | ||
141 | my $svn = SVNconn->new($cvs_tree); | |
142 | ||
143 | ||
144 | sub pdate($) { | |
145 | my($d) = @_; | |
146 | $d =~ m#(\d\d\d\d)-(\d\d)-(\d\d)T(\d\d):(\d\d):(\d\d)# | |
147 | or die "Unparseable date: $d\n"; | |
148 | my $y=$1; $y-=1900 if $y>1900; | |
149 | return timegm($6||0,$5,$4,$3,$2-1,$y); | |
150 | } | |
151 | ||
eaf718f3 MU |
152 | sub getwd() { |
153 | my $pwd = `pwd`; | |
154 | chomp $pwd; | |
155 | return $pwd; | |
156 | } | |
157 | ||
158 | ||
159 | sub get_headref($$) { | |
160 | my $name = shift; | |
161 | my $git_dir = shift; | |
162 | my $sha; | |
163 | ||
164 | if (open(C,"$git_dir/refs/heads/$name")) { | |
165 | chomp($sha = <C>); | |
166 | close(C); | |
167 | length($sha) == 40 | |
168 | or die "Cannot get head id for $name ($sha): $!\n"; | |
169 | } | |
170 | return $sha; | |
171 | } | |
172 | ||
173 | ||
174 | -d $git_tree | |
175 | or mkdir($git_tree,0777) | |
176 | or die "Could not create $git_tree: $!"; | |
177 | chdir($git_tree); | |
178 | ||
179 | my $orig_branch = ""; | |
180 | my $forward_master = 0; | |
181 | my %branches; | |
182 | ||
183 | my $git_dir = $ENV{"GIT_DIR"} || ".git"; | |
184 | $git_dir = getwd()."/".$git_dir unless $git_dir =~ m#^/#; | |
185 | $ENV{"GIT_DIR"} = $git_dir; | |
186 | my $orig_git_index; | |
187 | $orig_git_index = $ENV{GIT_INDEX_FILE} if exists $ENV{GIT_INDEX_FILE}; | |
188 | my ($git_ih, $git_index) = tempfile('gitXXXXXX', SUFFIX => '.idx', | |
189 | DIR => File::Spec->tmpdir()); | |
190 | close ($git_ih); | |
191 | $ENV{GIT_INDEX_FILE} = $git_index; | |
192 | my $maxnum = 0; | |
193 | my $last_rev = ""; | |
194 | my $last_branch; | |
7ee74a99 | 195 | my $current_rev = $opt_s ? ($opt_s-1) : 0; |
eaf718f3 MU |
196 | unless(-d $git_dir) { |
197 | system("git-init-db"); | |
198 | die "Cannot init the GIT db at $git_tree: $?\n" if $?; | |
199 | system("git-read-tree"); | |
200 | die "Cannot init an empty tree: $?\n" if $?; | |
201 | ||
202 | $last_branch = $opt_o; | |
203 | $orig_branch = ""; | |
204 | } else { | |
205 | -f "$git_dir/refs/heads/$opt_o" | |
206 | or die "Branch '$opt_o' does not exist.\n". | |
207 | "Either use the correct '-o branch' option,\n". | |
208 | "or import to a new repository.\n"; | |
209 | ||
210 | -f "$git_dir/svn2git" | |
211 | or die "'$git_dir/svn2git' does not exist.\n". | |
212 | "You need that file for incremental imports.\n"; | |
213 | $last_branch = basename(readlink("$git_dir/HEAD")); | |
214 | unless($last_branch) { | |
215 | warn "Cannot read the last branch name: $! -- assuming 'master'\n"; | |
216 | $last_branch = "master"; | |
217 | } | |
218 | $orig_branch = $last_branch; | |
219 | $last_rev = get_headref($orig_branch, $git_dir); | |
220 | if (-f "$git_dir/SVN2GIT_HEAD") { | |
221 | die <<EOM; | |
222 | SVN2GIT_HEAD exists. | |
223 | Make sure your working directory corresponds to HEAD and remove SVN2GIT_HEAD. | |
224 | You may need to run | |
225 | ||
226 | git-read-tree -m -u SVN2GIT_HEAD HEAD | |
227 | EOM | |
228 | } | |
229 | system('cp', "$git_dir/HEAD", "$git_dir/SVN2GIT_HEAD"); | |
230 | ||
231 | $forward_master = | |
232 | $opt_o ne 'master' && -f "$git_dir/refs/heads/master" && | |
233 | system('cmp', '-s', "$git_dir/refs/heads/master", | |
234 | "$git_dir/refs/heads/$opt_o") == 0; | |
235 | ||
236 | # populate index | |
237 | system('git-read-tree', $last_rev); | |
238 | die "read-tree failed: $?\n" if $?; | |
239 | ||
240 | # Get the last import timestamps | |
241 | open my $B,"<", "$git_dir/svn2git"; | |
242 | while(<$B>) { | |
243 | chomp; | |
244 | my($num,$branch,$ref) = split; | |
245 | $branches{$branch}{$num} = $ref; | |
246 | $branches{$branch}{"LAST"} = $ref; | |
247 | $current_rev = $num+1 if $current_rev < $num+1; | |
248 | } | |
249 | close($B); | |
250 | } | |
251 | -d $git_dir | |
252 | or die "Could not create git subdir ($git_dir).\n"; | |
253 | ||
254 | open BRANCHES,">>", "$git_dir/svn2git"; | |
255 | ||
256 | ||
257 | ## cvsps output: | |
258 | #--------------------- | |
259 | #PatchSet 314 | |
260 | #Date: 1999/09/18 13:03:59 | |
261 | #Author: wkoch | |
262 | #Branch: STABLE-BRANCH-1-0 | |
263 | #Ancestor branch: HEAD | |
264 | #Tag: (none) | |
265 | #Log: | |
266 | # See ChangeLog: Sat Sep 18 13:03:28 CEST 1999 Werner Koch | |
267 | #Members: | |
268 | # README:1.57->1.57.2.1 | |
269 | # VERSION:1.96->1.96.2.1 | |
270 | # | |
271 | #--------------------- | |
272 | ||
273 | my $state = 0; | |
274 | ||
275 | sub get_file($$$) { | |
276 | my($rev,$branch,$path) = @_; | |
277 | ||
278 | # revert split_path(), below | |
279 | my $svnpath; | |
280 | $path = "" if $path eq "/"; # this should not happen, but ... | |
281 | if($branch eq "/") { | |
282 | $svnpath = "/$trunk_name/$path"; | |
283 | } elsif($branch =~ m#^/#) { | |
284 | $svnpath = "/$tag_name$branch/$path"; | |
285 | } else { | |
286 | $svnpath = "/$branch_name/$branch/$path"; | |
287 | } | |
288 | ||
289 | # now get it | |
2b5e63d1 MU |
290 | my ($name, $res) = eval { $svn->file($svnpath,$rev); }; |
291 | return () unless defined $name; | |
eaf718f3 | 292 | |
6d281217 | 293 | open my $F, '-|', "git-hash-object", "-w", $name |
eaf718f3 MU |
294 | or die "Cannot create object: $!\n"; |
295 | my $sha = <$F>; | |
296 | chomp $sha; | |
297 | close $F; | |
eaf718f3 MU |
298 | my $mode = "0644"; # SV does not seem to store any file modes |
299 | return [$mode, $sha, $path]; | |
300 | } | |
301 | ||
302 | sub split_path($$) { | |
303 | my($rev,$path) = @_; | |
304 | my $branch; | |
305 | ||
306 | if($path =~ s#^/\Q$tag_name\E/([^/]+)/?##) { | |
307 | $branch = "/$1"; | |
308 | } elsif($path =~ s#^/\Q$trunk_name\E/?##) { | |
309 | $branch = "/"; | |
310 | } elsif($path =~ s#^/\Q$branch_name\E/([^/]+)/?##) { | |
311 | $branch = $1; | |
312 | } else { | |
313 | print STDERR "$rev: Unrecognized path: $path\n"; | |
314 | return () | |
315 | } | |
316 | $path = "/" if $path eq ""; | |
317 | return ($branch,$path); | |
318 | } | |
319 | ||
320 | sub commit { | |
321 | my($branch, $changed_paths, $revision, $author, $date, $message) = @_; | |
322 | my($author_name,$author_email,$dest); | |
323 | my(@old,@new); | |
324 | ||
2b5e63d1 MU |
325 | if (not defined $author) { |
326 | $author_name = $author_email = "unknown"; | |
327 | } elsif ($author =~ /^(.*?)\s+<(.*)>$/) { | |
eaf718f3 MU |
328 | ($author_name, $author_email) = ($1, $2); |
329 | } else { | |
330 | $author =~ s/^<(.*)>$/$1/; | |
331 | $author_name = $author_email = $author; | |
332 | } | |
333 | $date = pdate($date); | |
334 | ||
335 | my $tag; | |
336 | my $parent; | |
337 | if($branch eq "/") { # trunk | |
338 | $parent = $opt_o; | |
339 | } elsif($branch =~ m#^/(.+)#) { # tag | |
340 | $tag = 1; | |
341 | $parent = $1; | |
342 | } else { # "normal" branch | |
343 | # nothing to do | |
344 | $parent = $branch; | |
345 | } | |
346 | $dest = $parent; | |
347 | ||
348 | my $prev = $changed_paths->{"/"}; | |
f0daa628 | 349 | if($prev and $prev->[0] eq "A") { |
eaf718f3 | 350 | delete $changed_paths->{"/"}; |
f0daa628 | 351 | my $oldpath = $prev->[1]; |
eaf718f3 MU |
352 | my $rev; |
353 | if(defined $oldpath) { | |
354 | my $p; | |
355 | ($parent,$p) = split_path($revision,$oldpath); | |
356 | if($parent eq "/") { | |
357 | $parent = $opt_o; | |
358 | } else { | |
359 | $parent =~ s#^/##; # if it's a tag | |
360 | } | |
361 | } else { | |
362 | $parent = undef; | |
363 | } | |
364 | } | |
365 | ||
366 | my $rev; | |
7ee74a99 | 367 | if($revision > $opt_s and defined $parent) { |
eaf718f3 MU |
368 | open(H,"git-rev-parse --verify $parent |"); |
369 | $rev = <H>; | |
370 | close(H) or do { | |
371 | print STDERR "$revision: cannot find commit '$parent'!\n"; | |
372 | return; | |
373 | }; | |
374 | chop $rev; | |
375 | if(length($rev) != 40) { | |
376 | print STDERR "$revision: cannot find commit '$parent'!\n"; | |
377 | return; | |
378 | } | |
379 | $rev = $branches{($parent eq $opt_o) ? "/" : $parent}{"LAST"}; | |
7ee74a99 | 380 | if($revision != $opt_s and not $rev) { |
eaf718f3 MU |
381 | print STDERR "$revision: do not know ancestor for '$parent'!\n"; |
382 | return; | |
383 | } | |
384 | } else { | |
385 | $rev = undef; | |
386 | } | |
387 | ||
f0daa628 | 388 | # if($prev and $prev->[0] eq "A") { |
eaf718f3 MU |
389 | # if(not $tag) { |
390 | # unless(open(H,"> $git_dir/refs/heads/$branch")) { | |
391 | # print STDERR "$revision: Could not create branch $branch: $!\n"; | |
392 | # $state=11; | |
393 | # next; | |
394 | # } | |
395 | # print H "$rev\n" | |
396 | # or die "Could not write branch $branch: $!"; | |
397 | # close(H) | |
398 | # or die "Could not write branch $branch: $!"; | |
399 | # } | |
400 | # } | |
401 | if(not defined $rev) { | |
402 | unlink($git_index); | |
403 | } elsif ($rev ne $last_rev) { | |
404 | print "Switching from $last_rev to $rev ($branch)\n" if $opt_v; | |
405 | system("git-read-tree", $rev); | |
406 | die "read-tree failed for $rev: $?\n" if $?; | |
407 | $last_rev = $rev; | |
408 | } | |
409 | ||
bf267d99 MU |
410 | my $cid; |
411 | if($tag and not %$changed_paths) { | |
412 | $cid = $rev; | |
413 | } else { | |
414 | while(my($path,$action) = each %$changed_paths) { | |
415 | if ($action->[0] eq "A") { | |
416 | my $f = get_file($revision,$branch,$path); | |
417 | push(@new,$f) if $f; | |
418 | } elsif ($action->[0] eq "D") { | |
419 | push(@old,$path); | |
420 | } elsif ($action->[0] eq "M") { | |
421 | my $f = get_file($revision,$branch,$path); | |
422 | push(@new,$f) if $f; | |
423 | } elsif ($action->[0] eq "R") { | |
424 | # refer to a file/tree in an earlier commit | |
425 | push(@old,$path); # remove any old stuff | |
426 | ||
427 | # ... and add any new stuff | |
428 | my($b,$p) = split_path($revision,$action->[1]); | |
429 | open my $F,"-|","git-ls-tree","-r","-z", $branches{$b}{$action->[2]}, $p; | |
430 | local $/ = '\0'; | |
431 | while(<$F>) { | |
432 | chomp; | |
433 | my($m,$p) = split(/\t/,$_,2); | |
434 | my($mode,$type,$sha1) = split(/ /,$m); | |
435 | next if $type ne "blob"; | |
436 | push(@new,[$mode,$sha1,$p]); | |
437 | } | |
438 | } else { | |
439 | die "$revision: unknown action '".$action->[0]."' for $path\n"; | |
440 | } | |
441 | } | |
442 | ||
443 | if(@old) { | |
444 | open my $F, "-|", "git-ls-files", "-z", @old or die $!; | |
445 | @old = (); | |
eaf718f3 MU |
446 | local $/ = '\0'; |
447 | while(<$F>) { | |
448 | chomp; | |
bf267d99 MU |
449 | push(@old,$_); |
450 | } | |
451 | close($F); | |
452 | ||
453 | while(@old) { | |
454 | my @o2; | |
455 | if(@old > 55) { | |
456 | @o2 = splice(@old,0,50); | |
457 | } else { | |
458 | @o2 = @old; | |
459 | @old = (); | |
460 | } | |
461 | system("git-update-index","--force-remove","--",@o2); | |
462 | die "Cannot remove files: $?\n" if $?; | |
eaf718f3 | 463 | } |
eaf718f3 | 464 | } |
bf267d99 MU |
465 | while(@new) { |
466 | my @n2; | |
467 | if(@new > 12) { | |
468 | @n2 = splice(@new,0,10); | |
eaf718f3 | 469 | } else { |
bf267d99 MU |
470 | @n2 = @new; |
471 | @new = (); | |
eaf718f3 | 472 | } |
bf267d99 MU |
473 | system("git-update-index","--add", |
474 | (map { ('--cacheinfo', @$_) } @n2)); | |
475 | die "Cannot add files: $?\n" if $?; | |
eaf718f3 | 476 | } |
eaf718f3 | 477 | |
bf267d99 MU |
478 | my $pid = open(C,"-|"); |
479 | die "Cannot fork: $!" unless defined $pid; | |
480 | unless($pid) { | |
481 | exec("git-write-tree"); | |
482 | die "Cannot exec git-write-tree: $!\n"; | |
eaf718f3 | 483 | } |
bf267d99 MU |
484 | chomp(my $tree = <C>); |
485 | length($tree) == 40 | |
486 | or die "Cannot get tree id ($tree): $!\n"; | |
487 | close(C) | |
488 | or die "Error running git-write-tree: $?\n"; | |
489 | print "Tree ID $tree\n" if $opt_v; | |
490 | ||
491 | my $pr = IO::Pipe->new() or die "Cannot open pipe: $!\n"; | |
492 | my $pw = IO::Pipe->new() or die "Cannot open pipe: $!\n"; | |
493 | $pid = fork(); | |
494 | die "Fork: $!\n" unless defined $pid; | |
495 | unless($pid) { | |
496 | $pr->writer(); | |
497 | $pw->reader(); | |
498 | open(OUT,">&STDOUT"); | |
499 | dup2($pw->fileno(),0); | |
500 | dup2($pr->fileno(),1); | |
501 | $pr->close(); | |
502 | $pw->close(); | |
503 | ||
504 | my @par = (); | |
505 | @par = ("-p",$rev) if defined $rev; | |
506 | ||
507 | # loose detection of merges | |
508 | # based on the commit msg | |
509 | foreach my $rx (@mergerx) { | |
510 | if ($message =~ $rx) { | |
511 | my $mparent = $1; | |
512 | if ($mparent eq 'HEAD') { $mparent = $opt_o }; | |
513 | if ( -e "$git_dir/refs/heads/$mparent") { | |
514 | $mparent = get_headref($mparent, $git_dir); | |
515 | push @par, '-p', $mparent; | |
516 | print OUT "Merge parent branch: $mparent\n" if $opt_v; | |
517 | } | |
518 | } | |
519 | } | |
eaf718f3 | 520 | |
bf267d99 MU |
521 | exec("env", |
522 | "GIT_AUTHOR_NAME=$author_name", | |
523 | "GIT_AUTHOR_EMAIL=$author_email", | |
524 | "GIT_AUTHOR_DATE=".strftime("+0000 %Y-%m-%d %H:%M:%S",gmtime($date)), | |
525 | "GIT_COMMITTER_NAME=$author_name", | |
526 | "GIT_COMMITTER_EMAIL=$author_email", | |
527 | "GIT_COMMITTER_DATE=".strftime("+0000 %Y-%m-%d %H:%M:%S",gmtime($date)), | |
528 | "git-commit-tree", $tree,@par); | |
529 | die "Cannot exec git-commit-tree: $!\n"; | |
530 | } | |
531 | $pw->writer(); | |
532 | $pr->reader(); | |
eaf718f3 | 533 | |
bf267d99 | 534 | $message =~ s/[\s\n]+\z//; |
eaf718f3 | 535 | |
bf267d99 MU |
536 | print $pw "$message\n" |
537 | or die "Error writing to git-commit-tree: $!\n"; | |
538 | $pw->close(); | |
eaf718f3 | 539 | |
bf267d99 MU |
540 | print "Committed change $revision:$branch ".strftime("%Y-%m-%d %H:%M:%S",gmtime($date)).")\n" if $opt_v; |
541 | chomp($cid = <$pr>); | |
542 | length($cid) == 40 | |
543 | or die "Cannot get commit id ($cid): $!\n"; | |
544 | print "Commit ID $cid\n" if $opt_v; | |
545 | $pr->close(); | |
eaf718f3 | 546 | |
bf267d99 MU |
547 | waitpid($pid,0); |
548 | die "Error running git-commit-tree: $?\n" if $?; | |
549 | } | |
eaf718f3 | 550 | |
f02b3eba MU |
551 | if(not defined $dest) { |
552 | print "... no known parent\n" if $opt_v; | |
553 | } elsif(not $tag) { | |
eaf718f3 MU |
554 | print "Writing to refs/heads/$dest\n" if $opt_v; |
555 | open(C,">$git_dir/refs/heads/$dest") and | |
556 | print C ("$cid\n") and | |
557 | close(C) | |
558 | or die "Cannot write branch $dest for update: $!\n"; | |
eaf718f3 MU |
559 | } |
560 | $branches{$branch}{"LAST"} = $cid; | |
561 | $branches{$branch}{$revision} = $cid; | |
562 | $last_rev = $cid; | |
563 | print BRANCHES "$revision $branch $cid\n"; | |
564 | print "DONE: $revision $dest $cid\n" if $opt_v; | |
565 | ||
566 | if($tag) { | |
567 | my($in, $out) = ('',''); | |
568 | $last_rev = "-" if %$changed_paths; | |
569 | # the tag was 'complex', i.e. did not refer to a "real" revision | |
570 | ||
f02b3eba | 571 | $dest =~ tr/_/\./ if $opt_u; |
eaf718f3 MU |
572 | |
573 | my $pid = open2($in, $out, 'git-mktag'); | |
574 | print $out ("object $cid\n". | |
575 | "type commit\n". | |
f02b3eba | 576 | "tag $dest\n". |
eaf718f3 MU |
577 | "tagger $author_name <$author_email>\n") and |
578 | close($out) | |
f02b3eba | 579 | or die "Cannot create tag object $dest: $!\n"; |
eaf718f3 MU |
580 | |
581 | my $tagobj = <$in>; | |
582 | chomp $tagobj; | |
583 | ||
584 | if ( !close($in) or waitpid($pid, 0) != $pid or | |
585 | $? != 0 or $tagobj !~ /^[0123456789abcdef]{40}$/ ) { | |
f02b3eba | 586 | die "Cannot create tag object $dest: $!\n"; |
eaf718f3 | 587 | } |
eaf718f3 | 588 | |
f02b3eba MU |
589 | open(C,">$git_dir/refs/tags/$dest") and |
590 | print C ("$tagobj\n") and | |
eaf718f3 | 591 | close(C) |
f02b3eba | 592 | or die "Cannot create tag $branch: $!\n"; |
eaf718f3 | 593 | |
f02b3eba | 594 | print "Created tag '$dest' on '$branch'\n" if $opt_v; |
eaf718f3 MU |
595 | } |
596 | } | |
597 | ||
598 | my ($changed_paths, $revision, $author, $date, $message, $pool) = @_; | |
599 | sub _commit_all { | |
600 | ($changed_paths, $revision, $author, $date, $message, $pool) = @_; | |
f0daa628 MU |
601 | my %p; |
602 | while(my($path,$action) = each %$changed_paths) { | |
603 | $p{$path} = [ $action->action,$action->copyfrom_path, $action->copyfrom_rev ]; | |
604 | } | |
605 | $changed_paths = \%p; | |
eaf718f3 | 606 | } |
f0daa628 | 607 | |
eaf718f3 MU |
608 | sub commit_all { |
609 | my %done; | |
610 | my @col; | |
611 | my $pref; | |
612 | my $branch; | |
613 | ||
614 | while(my($path,$action) = each %$changed_paths) { | |
615 | ($branch,$path) = split_path($revision,$path); | |
616 | next if not defined $branch; | |
617 | $done{$branch}{$path} = $action; | |
618 | } | |
619 | while(($branch,$changed_paths) = each %done) { | |
620 | commit($branch, $changed_paths, $revision, $author, $date, $message); | |
621 | } | |
622 | } | |
623 | ||
624 | while(++$current_rev < $svn->{'maxrev'}) { | |
625 | $svn->{'svn'}->get_log("/",$current_rev,$current_rev,$current_rev,1,1,\&_commit_all,""); | |
626 | commit_all(); | |
627 | } | |
628 | ||
629 | ||
630 | unlink($git_index); | |
631 | ||
632 | if (defined $orig_git_index) { | |
633 | $ENV{GIT_INDEX_FILE} = $orig_git_index; | |
634 | } else { | |
635 | delete $ENV{GIT_INDEX_FILE}; | |
636 | } | |
637 | ||
638 | # Now switch back to the branch we were in before all of this happened | |
639 | if($orig_branch) { | |
640 | print "DONE\n" if $opt_v; | |
641 | system("cp","$git_dir/refs/heads/$opt_o","$git_dir/refs/heads/master") | |
642 | if $forward_master; | |
643 | unless ($opt_i) { | |
644 | system('git-read-tree', '-m', '-u', 'SVN2GIT_HEAD', 'HEAD'); | |
645 | die "read-tree failed: $?\n" if $?; | |
646 | } | |
647 | } else { | |
648 | $orig_branch = "master"; | |
649 | print "DONE; creating $orig_branch branch\n" if $opt_v; | |
650 | system("cp","$git_dir/refs/heads/$opt_o","$git_dir/refs/heads/master") | |
651 | unless -f "$git_dir/refs/heads/master"; | |
652 | unlink("$git_dir/HEAD"); | |
653 | symlink("refs/heads/$orig_branch","$git_dir/HEAD"); | |
654 | unless ($opt_i) { | |
655 | system('git checkout'); | |
656 | die "checkout failed: $?\n" if $?; | |
657 | } | |
658 | } | |
659 | unlink("$git_dir/SVN2GIT_HEAD"); | |
660 | close(BRANCHES); |