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Commit | Line | Data |
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3f571e0b | 1 | #!/bin/sh |
e95ab1ed JH |
2 | # |
3 | # Copyright (c) 2005, Linus Torvalds | |
4 | # Copyright (c) 2005, Junio C Hamano | |
5 | # | |
6 | # Clone a repository into a different directory that does not yet exist. | |
7 | ||
365527ad JH |
8 | # See git-sh-setup why. |
9 | unset CDPATH | |
10 | ||
87b787ac DL |
11 | die() { |
12 | echo >&2 "$@" | |
e95ab1ed JH |
13 | exit 1 |
14 | } | |
15 | ||
87b787ac DL |
16 | usage() { |
17 | die "Usage: $0 [--template=<template_directory>] [--use-separate-remote] [--reference <reference-repo>] [--bare] [-l [-s]] [-q] [-u <upload-pack>] [--origin <name>] [-n] <repo> [<dir>]" | |
18 | } | |
19 | ||
ba375acf LT |
20 | get_repo_base() { |
21 | (cd "$1" && (cd .git ; pwd)) 2> /dev/null | |
22 | } | |
23 | ||
0516de30 JH |
24 | if [ -n "$GIT_SSL_NO_VERIFY" ]; then |
25 | curl_extra_args="-k" | |
26 | fi | |
27 | ||
28 | http_fetch () { | |
29 | # $1 = Remote, $2 = Local | |
66c9ec25 | 30 | curl -nsfL $curl_extra_args "$1" >"$2" |
0516de30 JH |
31 | } |
32 | ||
33 | clone_dumb_http () { | |
34 | # $1 - remote, $2 - local | |
35 | cd "$2" && | |
5e3a620c | 36 | clone_tmp="$GIT_DIR/clone-tmp" && |
0516de30 | 37 | mkdir -p "$clone_tmp" || exit 1 |
3ea099d4 SK |
38 | if [ -n "$GIT_CURL_FTP_NO_EPSV" -o \ |
39 | "`git-repo-config --bool http.noEPSV`" = true ]; then | |
40 | curl_extra_args="${curl_extra_args} --disable-epsv" | |
41 | fi | |
87b787ac DL |
42 | http_fetch "$1/info/refs" "$clone_tmp/refs" || |
43 | die "Cannot get remote repository information. | |
0516de30 | 44 | Perhaps git-update-server-info needs to be run there?" |
0516de30 JH |
45 | while read sha1 refname |
46 | do | |
f327dbce | 47 | name=`expr "z$refname" : 'zrefs/\(.*\)'` && |
cdb39508 | 48 | case "$name" in |
dfeff66e | 49 | *^*) continue;; |
cdb39508 | 50 | esac |
dfeff66e | 51 | if test -n "$use_separate_remote" && |
f327dbce | 52 | branch_name=`expr "z$name" : 'zheads/\(.*\)'` |
dfeff66e | 53 | then |
5ceb05f8 | 54 | tname="remotes/$origin/$branch_name" |
dfeff66e JH |
55 | else |
56 | tname=$name | |
57 | fi | |
58 | git-http-fetch -v -a -w "$tname" "$name" "$1/" || exit 1 | |
0516de30 JH |
59 | done <"$clone_tmp/refs" |
60 | rm -fr "$clone_tmp" | |
c72112e6 JH |
61 | http_fetch "$1/HEAD" "$GIT_DIR/REMOTE_HEAD" || |
62 | rm -f "$GIT_DIR/REMOTE_HEAD" | |
dfeff66e JH |
63 | } |
64 | ||
65 | # Read git-fetch-pack -k output and store the remote branches. | |
66 | copy_refs=' | |
67 | use File::Path qw(mkpath); | |
68 | use File::Basename qw(dirname); | |
69 | my $git_dir = $ARGV[0]; | |
70 | my $use_separate_remote = $ARGV[1]; | |
47874d6d | 71 | my $origin = $ARGV[2]; |
dfeff66e | 72 | |
47874d6d | 73 | my $branch_top = ($use_separate_remote ? "remotes/$origin" : "heads"); |
dfeff66e JH |
74 | my $tag_top = "tags"; |
75 | ||
76 | sub store { | |
77 | my ($sha1, $name, $top) = @_; | |
78 | $name = "$git_dir/refs/$top/$name"; | |
79 | mkpath(dirname($name)); | |
80 | open O, ">", "$name"; | |
81 | print O "$sha1\n"; | |
82 | close O; | |
0516de30 JH |
83 | } |
84 | ||
dfeff66e JH |
85 | open FH, "<", "$git_dir/CLONE_HEAD"; |
86 | while (<FH>) { | |
87 | my ($sha1, $name) = /^([0-9a-f]{40})\s(.*)$/; | |
88 | next if ($name =~ /\^\173/); | |
89 | if ($name eq "HEAD") { | |
90 | open O, ">", "$git_dir/REMOTE_HEAD"; | |
91 | print O "$sha1\n"; | |
92 | close O; | |
93 | next; | |
94 | } | |
95 | if ($name =~ s/^refs\/heads\///) { | |
96 | store($sha1, $name, $branch_top); | |
97 | next; | |
98 | } | |
99 | if ($name =~ s/^refs\/tags\///) { | |
100 | store($sha1, $name, $tag_top); | |
101 | next; | |
102 | } | |
103 | } | |
104 | close FH; | |
105 | ' | |
106 | ||
167a4a33 | 107 | quiet= |
ef5b4eab | 108 | local=no |
e95ab1ed | 109 | use_local=no |
aae4f42c | 110 | local_shared=no |
a57c8bac | 111 | unset template |
036a72d8 | 112 | no_checkout= |
6ec311da | 113 | upload_pack= |
87e80c4b | 114 | bare= |
dfeff66e JH |
115 | reference= |
116 | origin= | |
e6489a1b | 117 | origin_override= |
dfeff66e | 118 | use_separate_remote= |
e95ab1ed JH |
119 | while |
120 | case "$#,$1" in | |
121 | 0,*) break ;; | |
8a1a120c JH |
122 | *,-n|*,--no|*,--no-|*,--no-c|*,--no-ch|*,--no-che|*,--no-chec|\ |
123 | *,--no-check|*,--no-checko|*,--no-checkou|*,--no-checkout) | |
124 | no_checkout=yes ;; | |
87e80c4b JH |
125 | *,--na|*,--nak|*,--nake|*,--naked|\ |
126 | *,-b|*,--b|*,--ba|*,--bar|*,--bare) bare=yes ;; | |
1cadb5a2 | 127 | *,-l|*,--l|*,--lo|*,--loc|*,--loca|*,--local) use_local=yes ;; |
aae4f42c | 128 | *,-s|*,--s|*,--sh|*,--sha|*,--shar|*,--share|*,--shared) |
2c4ed386 | 129 | local_shared=yes; use_local=yes ;; |
a57c8bac JH |
130 | 1,--template) usage ;; |
131 | *,--template) | |
132 | shift; template="--template=$1" ;; | |
133 | *,--template=*) | |
134 | template="$1" ;; | |
167a4a33 | 135 | *,-q|*,--quiet) quiet=-q ;; |
dfeff66e JH |
136 | *,--use-separate-remote) |
137 | use_separate_remote=t ;; | |
dfeff66e JH |
138 | 1,--reference) usage ;; |
139 | *,--reference) | |
140 | shift; reference="$1" ;; | |
141 | *,--reference=*) | |
8096fae7 | 142 | reference=`expr "z$1" : 'z--reference=\(.*\)'` ;; |
98a4fef3 | 143 | *,-o|*,--or|*,--ori|*,--orig|*,--origi|*,--origin) |
47874d6d | 144 | case "$2" in |
98a4fef3 YS |
145 | '') |
146 | usage ;; | |
47874d6d | 147 | */*) |
87b787ac | 148 | die "'$2' is not suitable for an origin name" |
47874d6d | 149 | esac |
87b787ac DL |
150 | git-check-ref-format "heads/$2" || |
151 | die "'$2' is not suitable for a branch name" | |
152 | test -z "$origin_override" || | |
153 | die "Do not give more than one --origin options." | |
e6489a1b | 154 | origin_override=yes |
e6c310fd JS |
155 | origin="$2"; shift |
156 | ;; | |
1cadb5a2 | 157 | 1,-u|1,--upload-pack) usage ;; |
6ec311da JH |
158 | *,-u|*,--upload-pack) |
159 | shift | |
1cadb5a2 | 160 | upload_pack="--exec=$1" ;; |
e95ab1ed JH |
161 | *,-*) usage ;; |
162 | *) break ;; | |
163 | esac | |
164 | do | |
165 | shift | |
166 | done | |
167 | ||
ef5b4eab | 168 | repo="$1" |
87b787ac DL |
169 | test -n "$repo" || |
170 | die 'you must specify a repository to clone.' | |
ef5b4eab | 171 | |
87e80c4b | 172 | # --bare implies --no-checkout |
e6489a1b JH |
173 | if test yes = "$bare" |
174 | then | |
175 | if test yes = "$origin_override" | |
176 | then | |
87b787ac | 177 | die '--bare and --origin $origin options are incompatible.' |
e6489a1b | 178 | fi |
dfeff66e JH |
179 | if test t = "$use_separate_remote" |
180 | then | |
87b787ac | 181 | die '--bare and --use-separate-remote options are incompatible.' |
dfeff66e | 182 | fi |
e6489a1b JH |
183 | no_checkout=yes |
184 | fi | |
8a1a120c | 185 | |
47874d6d | 186 | if test -z "$origin" |
dfeff66e | 187 | then |
47874d6d | 188 | origin=origin |
dfeff66e JH |
189 | fi |
190 | ||
ba375acf LT |
191 | # Turn the source into an absolute path if |
192 | # it is local | |
ba375acf LT |
193 | if base=$(get_repo_base "$repo"); then |
194 | repo="$base" | |
195 | local=yes | |
196 | fi | |
197 | ||
3f571e0b | 198 | dir="$2" |
0879aa28 | 199 | # Try using "humanish" part of source repo if user didn't specify one |
e7555785 | 200 | [ -z "$dir" ] && dir=$(echo "$repo" | sed -e 's|/$||' -e 's|:*/*\.git$||' -e 's|.*[/:]||g') |
87b787ac | 201 | [ -e "$dir" ] && die "destination directory '$dir' already exists." |
7f10f7c4 | 202 | mkdir -p "$dir" && |
8a1a120c | 203 | D=$(cd "$dir" && pwd) && |
6ebdee5a | 204 | trap 'err=$?; cd ..; rm -rf "$D"; exit $err' 0 |
87e80c4b | 205 | case "$bare" in |
8a1a120c JH |
206 | yes) |
207 | GIT_DIR="$D" ;; | |
208 | *) | |
209 | GIT_DIR="$D/.git" ;; | |
5e3a620c | 210 | esac && export GIT_DIR && git-init-db ${template+"$template"} || usage |
e95ab1ed | 211 | |
dfeff66e JH |
212 | if test -n "$reference" |
213 | then | |
214 | if test -d "$reference" | |
215 | then | |
216 | if test -d "$reference/.git/objects" | |
217 | then | |
218 | reference="$reference/.git" | |
219 | fi | |
220 | reference=$(cd "$reference" && pwd) | |
221 | echo "$reference/objects" >"$GIT_DIR/objects/info/alternates" | |
222 | (cd "$reference" && tar cf - refs) | | |
223 | (cd "$GIT_DIR/refs" && | |
224 | mkdir reference-tmp && | |
225 | cd reference-tmp && | |
226 | tar xf -) | |
227 | else | |
87b787ac | 228 | die "reference repository '$reference' is not a local directory." |
dfeff66e JH |
229 | fi |
230 | fi | |
231 | ||
232 | rm -f "$GIT_DIR/CLONE_HEAD" | |
233 | ||
e95ab1ed | 234 | # We do local magic only when the user tells us to. |
ba375acf LT |
235 | case "$local,$use_local" in |
236 | yes,yes) | |
87b787ac DL |
237 | ( cd "$repo/objects" ) || |
238 | die "-l flag seen but repository '$repo' is not local." | |
e95ab1ed | 239 | |
aae4f42c JH |
240 | case "$local_shared" in |
241 | no) | |
242 | # See if we can hardlink and drop "l" if not. | |
243 | sample_file=$(cd "$repo" && \ | |
244 | find objects -type f -print | sed -e 1q) | |
e95ab1ed | 245 | |
aae4f42c JH |
246 | # objects directory should not be empty since we are cloning! |
247 | test -f "$repo/$sample_file" || exit | |
e95ab1ed | 248 | |
aae4f42c | 249 | l= |
8a1a120c | 250 | if ln "$repo/$sample_file" "$GIT_DIR/objects/sample" 2>/dev/null |
aae4f42c JH |
251 | then |
252 | l=l | |
253 | fi && | |
8a1a120c | 254 | rm -f "$GIT_DIR/objects/sample" && |
aae4f42c | 255 | cd "$repo" && |
8e1618f9 | 256 | find objects -depth -print | cpio -pumd$l "$GIT_DIR/" || exit 1 |
aae4f42c JH |
257 | ;; |
258 | yes) | |
8a1a120c | 259 | mkdir -p "$GIT_DIR/objects/info" |
04384022 | 260 | echo "$repo/objects" >> "$GIT_DIR/objects/info/alternates" |
aae4f42c JH |
261 | ;; |
262 | esac | |
57a39690 | 263 | git-ls-remote "$repo" >"$GIT_DIR/CLONE_HEAD" || exit 1 |
7558ef89 LT |
264 | ;; |
265 | *) | |
1cadb5a2 JH |
266 | case "$repo" in |
267 | rsync://*) | |
4447badc | 268 | rsync $quiet -av --ignore-existing \ |
dfeff66e JH |
269 | --exclude info "$repo/objects/" "$GIT_DIR/objects/" || |
270 | exit | |
4447badc JH |
271 | # Look at objects/info/alternates for rsync -- http will |
272 | # support it natively and git native ones will do it on the | |
273 | # remote end. Not having that file is not a crime. | |
89d844d0 | 274 | rsync -q "$repo/objects/info/alternates" \ |
8a1a120c JH |
275 | "$GIT_DIR/TMP_ALT" 2>/dev/null || |
276 | rm -f "$GIT_DIR/TMP_ALT" | |
277 | if test -f "$GIT_DIR/TMP_ALT" | |
4447badc | 278 | then |
0e9ab02d | 279 | ( cd "$D" && |
4447badc | 280 | . git-parse-remote && |
8a1a120c | 281 | resolve_alternates "$repo" <"$GIT_DIR/TMP_ALT" ) | |
4447badc JH |
282 | while read alt |
283 | do | |
284 | case "$alt" in 'bad alternate: '*) die "$alt";; esac | |
285 | case "$quiet" in | |
286 | '') echo >&2 "Getting alternate: $alt" ;; | |
287 | esac | |
288 | rsync $quiet -av --ignore-existing \ | |
8a1a120c | 289 | --exclude info "$alt" "$GIT_DIR/objects" || exit |
4447badc | 290 | done |
8a1a120c | 291 | rm -f "$GIT_DIR/TMP_ALT" |
4447badc | 292 | fi |
57a39690 | 293 | git-ls-remote "$repo" >"$GIT_DIR/CLONE_HEAD" || exit 1 |
1cadb5a2 | 294 | ;; |
38529e28 | 295 | https://*|http://*|ftp://*) |
6c5c62f3 FP |
296 | if test -z "@@NO_CURL@@" |
297 | then | |
298 | clone_dumb_http "$repo" "$D" | |
299 | else | |
87b787ac | 300 | die "http transport not supported, rebuild Git with curl support" |
6c5c62f3 | 301 | fi |
1cadb5a2 JH |
302 | ;; |
303 | *) | |
ced78b39 | 304 | case "$upload_pack" in |
dfeff66e JH |
305 | '') git-fetch-pack --all -k $quiet "$repo" ;; |
306 | *) git-fetch-pack --all -k $quiet "$upload_pack" "$repo" ;; | |
87b787ac DL |
307 | esac >"$GIT_DIR/CLONE_HEAD" || |
308 | die "fetch-pack from '$repo' failed." | |
1cadb5a2 | 309 | ;; |
6ec311da | 310 | esac |
7558ef89 LT |
311 | ;; |
312 | esac | |
dfeff66e JH |
313 | test -d "$GIT_DIR/refs/reference-tmp" && rm -fr "$GIT_DIR/refs/reference-tmp" |
314 | ||
315 | if test -f "$GIT_DIR/CLONE_HEAD" | |
316 | then | |
c72112e6 | 317 | # Read git-fetch-pack -k output and store the remote branches. |
6ebdee5a RJ |
318 | @@PERL@@ -e "$copy_refs" "$GIT_DIR" "$use_separate_remote" "$origin" || |
319 | exit | |
dfeff66e | 320 | fi |
1cadb5a2 | 321 | |
0e9ab02d | 322 | cd "$D" || exit |
036a72d8 | 323 | |
dfeff66e | 324 | if test -z "$bare" && test -f "$GIT_DIR/REMOTE_HEAD" |
036a72d8 | 325 | then |
dfeff66e JH |
326 | # Figure out which remote branch HEAD points at. |
327 | case "$use_separate_remote" in | |
328 | '') remote_top=refs/heads ;; | |
47874d6d | 329 | *) remote_top="refs/remotes/$origin" ;; |
dfeff66e | 330 | esac |
47874d6d | 331 | |
c72112e6 JH |
332 | head_sha1=`cat "$GIT_DIR/REMOTE_HEAD"` |
333 | case "$head_sha1" in | |
334 | 'ref: refs/'*) | |
335 | # Uh-oh, the remote told us (http transport done against | |
336 | # new style repository with a symref HEAD). | |
337 | # Ideally we should skip the guesswork but for now | |
338 | # opt for minimum change. | |
f327dbce | 339 | head_sha1=`expr "z$head_sha1" : 'zref: refs/heads/\(.*\)'` |
c72112e6 JH |
340 | head_sha1=`cat "$GIT_DIR/$remote_top/$head_sha1"` |
341 | ;; | |
342 | esac | |
47874d6d | 343 | |
c72112e6 | 344 | # The name under $remote_top the remote HEAD seems to point at. |
dfeff66e JH |
345 | head_points_at=$( |
346 | ( | |
347 | echo "master" | |
348 | cd "$GIT_DIR/$remote_top" && | |
349 | find . -type f -print | sed -e 's/^\.\///' | |
350 | ) | ( | |
351 | done=f | |
352 | while read name | |
353 | do | |
354 | test t = $done && continue | |
355 | branch_tip=`cat "$GIT_DIR/$remote_top/$name"` | |
356 | if test "$head_sha1" = "$branch_tip" | |
357 | then | |
358 | echo "$name" | |
359 | done=t | |
360 | fi | |
361 | done | |
362 | ) | |
363 | ) | |
47874d6d | 364 | |
c72112e6 | 365 | # Write out remotes/$origin file, and update our "$head_points_at". |
e125c1a7 | 366 | case "$head_points_at" in |
dfeff66e | 367 | ?*) |
8a1a120c | 368 | mkdir -p "$GIT_DIR/remotes" && |
c72112e6 | 369 | git-symbolic-ref HEAD "refs/heads/$head_points_at" && |
dfeff66e | 370 | case "$use_separate_remote" in |
c72112e6 JH |
371 | t) origin_track="$remote_top/$head_points_at" |
372 | git-update-ref HEAD "$head_sha1" ;; | |
373 | *) origin_track="$remote_top/$origin" | |
374 | git-update-ref "refs/heads/$origin" "$head_sha1" ;; | |
dfeff66e | 375 | esac && |
c72112e6 JH |
376 | echo >"$GIT_DIR/remotes/$origin" \ |
377 | "URL: $repo | |
378 | Pull: refs/heads/$head_points_at:$origin_track" && | |
47874d6d JH |
379 | (cd "$GIT_DIR/$remote_top" && find . -type f -print) | |
380 | while read dotslref | |
95d117b6 | 381 | do |
2048bb00 JH |
382 | name=`expr "$dotslref" : './\(.*\)'` |
383 | if test "z$head_points_at" = "z$name" | |
384 | then | |
385 | continue | |
386 | fi | |
387 | if test "$use_separate_remote" = '' && | |
388 | test "z$origin" = "z$name" | |
389 | then | |
390 | continue | |
391 | fi | |
dfeff66e | 392 | echo "Pull: refs/heads/${name}:$remote_top/${name}" |
5ceb05f8 JH |
393 | done >>"$GIT_DIR/remotes/$origin" && |
394 | case "$use_separate_remote" in | |
395 | t) | |
396 | rm -f "refs/remotes/$origin/HEAD" | |
397 | git-symbolic-ref "refs/remotes/$origin/HEAD" \ | |
398 | "refs/remotes/$origin/$head_points_at" | |
399 | esac | |
e125c1a7 JH |
400 | esac |
401 | ||
036a72d8 JH |
402 | case "$no_checkout" in |
403 | '') | |
810799ec JM |
404 | test "z$quiet" = z && v=-v || v= |
405 | git-read-tree -m -u $v HEAD HEAD | |
036a72d8 JH |
406 | esac |
407 | fi | |
dfeff66e | 408 | rm -f "$GIT_DIR/CLONE_HEAD" "$GIT_DIR/REMOTE_HEAD" |
41ff7a10 | 409 | |
f803eec5 | 410 | trap - 0 |
41ff7a10 | 411 |