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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 | ||
e95ab1ed | 11 | usage() { |
036a72d8 | 12 | echo >&2 "* git clone [-l [-s]] [-q] [-u <upload-pack>] [-n] <repo> <dir>" |
e95ab1ed JH |
13 | exit 1 |
14 | } | |
15 | ||
ba375acf LT |
16 | get_repo_base() { |
17 | (cd "$1" && (cd .git ; pwd)) 2> /dev/null | |
18 | } | |
19 | ||
0516de30 JH |
20 | if [ -n "$GIT_SSL_NO_VERIFY" ]; then |
21 | curl_extra_args="-k" | |
22 | fi | |
23 | ||
24 | http_fetch () { | |
25 | # $1 = Remote, $2 = Local | |
26 | curl -nsf $curl_extra_args "$1" >"$2" | |
27 | } | |
28 | ||
29 | clone_dumb_http () { | |
30 | # $1 - remote, $2 - local | |
31 | cd "$2" && | |
32 | clone_tmp='.git/clone-tmp' && | |
33 | mkdir -p "$clone_tmp" || exit 1 | |
34 | http_fetch "$1/info/refs" "$clone_tmp/refs" && | |
35 | http_fetch "$1/objects/info/packs" "$clone_tmp/packs" || { | |
36 | echo >&2 "Cannot get remote repository information. | |
37 | Perhaps git-update-server-info needs to be run there?" | |
38 | exit 1; | |
39 | } | |
40 | while read type name | |
41 | do | |
42 | case "$type" in | |
43 | P) ;; | |
44 | *) continue ;; | |
45 | esac && | |
46 | ||
47 | idx=`expr "$name" : '\(.*\)\.pack'`.idx | |
48 | http_fetch "$1/objects/pack/$name" ".git/objects/pack/$name" && | |
49 | http_fetch "$1/objects/pack/$idx" ".git/objects/pack/$idx" && | |
50 | git-verify-pack ".git/objects/pack/$idx" || exit 1 | |
51 | done <"$clone_tmp/packs" | |
52 | ||
53 | while read sha1 refname | |
54 | do | |
55 | name=`expr "$refname" : 'refs/\(.*\)'` && | |
215a7ad1 | 56 | git-http-fetch -v -a -w "$name" "$name" "$1/" || exit 1 |
0516de30 JH |
57 | done <"$clone_tmp/refs" |
58 | rm -fr "$clone_tmp" | |
59 | } | |
60 | ||
167a4a33 | 61 | quiet= |
e95ab1ed | 62 | use_local=no |
aae4f42c | 63 | local_shared=no |
036a72d8 | 64 | no_checkout= |
6ec311da | 65 | upload_pack= |
e95ab1ed JH |
66 | while |
67 | case "$#,$1" in | |
68 | 0,*) break ;; | |
036a72d8 | 69 | *,-n) no_checkout=yes ;; |
1cadb5a2 | 70 | *,-l|*,--l|*,--lo|*,--loc|*,--loca|*,--local) use_local=yes ;; |
aae4f42c JH |
71 | *,-s|*,--s|*,--sh|*,--sha|*,--shar|*,--share|*,--shared) |
72 | local_shared=yes ;; | |
167a4a33 | 73 | *,-q|*,--quiet) quiet=-q ;; |
1cadb5a2 | 74 | 1,-u|1,--upload-pack) usage ;; |
6ec311da JH |
75 | *,-u|*,--upload-pack) |
76 | shift | |
1cadb5a2 | 77 | upload_pack="--exec=$1" ;; |
e95ab1ed JH |
78 | *,-*) usage ;; |
79 | *) break ;; | |
80 | esac | |
81 | do | |
82 | shift | |
83 | done | |
84 | ||
ba375acf LT |
85 | # Turn the source into an absolute path if |
86 | # it is local | |
3f571e0b | 87 | repo="$1" |
ba375acf LT |
88 | local=no |
89 | if base=$(get_repo_base "$repo"); then | |
90 | repo="$base" | |
91 | local=yes | |
92 | fi | |
93 | ||
3f571e0b | 94 | dir="$2" |
e95ab1ed JH |
95 | mkdir "$dir" && |
96 | D=$( | |
97 | (cd "$dir" && git-init-db && pwd) | |
98 | ) && | |
99 | test -d "$D" || usage | |
100 | ||
101 | # We do local magic only when the user tells us to. | |
ba375acf LT |
102 | case "$local,$use_local" in |
103 | yes,yes) | |
e95ab1ed | 104 | ( cd "$repo/objects" ) || { |
ab6625e0 JH |
105 | echo >&2 "-l flag seen but $repo is not local." |
106 | exit 1 | |
e95ab1ed JH |
107 | } |
108 | ||
aae4f42c JH |
109 | case "$local_shared" in |
110 | no) | |
111 | # See if we can hardlink and drop "l" if not. | |
112 | sample_file=$(cd "$repo" && \ | |
113 | find objects -type f -print | sed -e 1q) | |
e95ab1ed | 114 | |
aae4f42c JH |
115 | # objects directory should not be empty since we are cloning! |
116 | test -f "$repo/$sample_file" || exit | |
e95ab1ed | 117 | |
aae4f42c JH |
118 | l= |
119 | if ln "$repo/$sample_file" "$D/.git/objects/sample" 2>/dev/null | |
120 | then | |
121 | l=l | |
122 | fi && | |
123 | rm -f "$D/.git/objects/sample" && | |
124 | cd "$repo" && | |
125 | find objects -type f -print | | |
126 | cpio -puamd$l "$D/.git/" || exit 1 | |
127 | ;; | |
128 | yes) | |
129 | mkdir -p "$D/.git/objects/info" | |
0f87f893 JH |
130 | { |
131 | test -f "$repo/objects/info/alternates" && | |
132 | cat "$repo/objects/info/alternates"; | |
133 | echo "$repo/objects" | |
134 | } >"$D/.git/objects/info/alternates" | |
aae4f42c JH |
135 | ;; |
136 | esac | |
e95ab1ed JH |
137 | |
138 | # Make a duplicate of refs and HEAD pointer | |
139 | HEAD= | |
140 | if test -f "$repo/HEAD" | |
141 | then | |
142 | HEAD=HEAD | |
143 | fi | |
229a7ed7 JH |
144 | (cd "$repo" && tar cf - refs $HEAD) | |
145 | (cd "$D/.git" && tar xf -) || exit 1 | |
7558ef89 LT |
146 | ;; |
147 | *) | |
1cadb5a2 JH |
148 | case "$repo" in |
149 | rsync://*) | |
4447badc JH |
150 | rsync $quiet -av --ignore-existing \ |
151 | --exclude info "$repo/objects/" "$D/.git/objects/" && | |
152 | rsync $quiet -av --ignore-existing \ | |
153 | --exclude info "$repo/refs/" "$D/.git/refs/" || exit | |
154 | ||
155 | # Look at objects/info/alternates for rsync -- http will | |
156 | # support it natively and git native ones will do it on the | |
157 | # remote end. Not having that file is not a crime. | |
89d844d0 JH |
158 | rsync -q "$repo/objects/info/alternates" \ |
159 | "$D/.git/TMP_ALT" 2>/dev/null || | |
4447badc JH |
160 | rm -f "$D/.git/TMP_ALT" |
161 | if test -f "$D/.git/TMP_ALT" | |
162 | then | |
163 | ( cd $D && | |
164 | . git-parse-remote && | |
165 | resolve_alternates "$repo" <"./.git/TMP_ALT" ) | | |
166 | while read alt | |
167 | do | |
168 | case "$alt" in 'bad alternate: '*) die "$alt";; esac | |
169 | case "$quiet" in | |
170 | '') echo >&2 "Getting alternate: $alt" ;; | |
171 | esac | |
172 | rsync $quiet -av --ignore-existing \ | |
173 | --exclude info "$alt" "$D/.git/objects" || exit | |
174 | done | |
175 | rm -f "$D/.git/TMP_ALT" | |
176 | fi | |
1cadb5a2 JH |
177 | ;; |
178 | http://*) | |
0516de30 | 179 | clone_dumb_http "$repo" "$D" |
1cadb5a2 JH |
180 | ;; |
181 | *) | |
182 | cd "$D" && case "$upload_pack" in | |
183 | '') git-clone-pack $quiet "$repo" ;; | |
184 | *) git-clone-pack $quiet "$upload_pack" "$repo" ;; | |
185 | esac | |
186 | ;; | |
6ec311da | 187 | esac |
7558ef89 LT |
188 | ;; |
189 | esac | |
1cadb5a2 | 190 | |
036a72d8 JH |
191 | cd $D || exit |
192 | ||
193 | if test -f ".git/HEAD" | |
194 | then | |
195 | mkdir -p .git/remotes || exit | |
196 | echo >.git/remotes/origin \ | |
197 | "URL: $repo | |
6687f8fe | 198 | Pull: master:origin" |
036a72d8 JH |
199 | case "$no_checkout" in |
200 | '') | |
201 | git checkout | |
202 | esac | |
203 | fi |