[PATCH] Quote the missing GIT_DIR.
[git/debian.git] / git-clone.sh
blob71431319c008fbc5771d97c4229e7054efd76395
1 #!/bin/sh
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.
8 # See git-sh-setup why.
9 unset CDPATH
11 usage() {
12 echo >&2 "* git clone [-l [-s]] [-q] [-u <upload-pack>] [-n] <repo> <dir>"
13 exit 1
16 get_repo_base() {
17 (cd "$1" && (cd .git ; pwd)) 2> /dev/null
20 if [ -n "$GIT_SSL_NO_VERIFY" ]; then
21 curl_extra_args="-k"
24 http_fetch () {
25 # $1 = Remote, $2 = Local
26 curl -nsf $curl_extra_args "$1" >"$2"
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;
40 while read type name
42 case "$type" in
43 P) ;;
44 *) continue ;;
45 esac &&
47 idx=`expr "$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 <"$clone_tmp/packs"
53 while read sha1 refname
55 name=`expr "$refname" : 'refs/\(.*\)'` &&
56 git-http-fetch -v -a -w "$name" "$name" "$1/" || exit 1
57 done <"$clone_tmp/refs"
58 rm -fr "$clone_tmp"
61 quiet=
62 use_local=no
63 local_shared=no
64 no_checkout=
65 upload_pack=
66 while
67 case "$#,$1" in
68 0,*) break ;;
69 *,-n) no_checkout=yes ;;
70 *,-l|*,--l|*,--lo|*,--loc|*,--loca|*,--local) use_local=yes ;;
71 *,-s|*,--s|*,--sh|*,--sha|*,--shar|*,--share|*,--shared)
72 local_shared=yes ;;
73 *,-q|*,--quiet) quiet=-q ;;
74 1,-u|1,--upload-pack) usage ;;
75 *,-u|*,--upload-pack)
76 shift
77 upload_pack="--exec=$1" ;;
78 *,-*) usage ;;
79 *) break ;;
80 esac
82 shift
83 done
85 # Turn the source into an absolute path if
86 # it is local
87 repo="$1"
88 local=no
89 if base=$(get_repo_base "$repo"); then
90 repo="$base"
91 local=yes
94 dir="$2"
95 mkdir "$dir" &&
96 D=$(
97 (cd "$dir" && git-init-db && pwd)
98 ) &&
99 test -d "$D" || usage
101 # We do local magic only when the user tells us to.
102 case "$local,$use_local" in
103 yes,yes)
104 ( cd "$repo/objects" ) || {
105 echo >&2 "-l flag seen but $repo is not local."
106 exit 1
109 case "$local_shared" in
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)
115 # objects directory should not be empty since we are cloning!
116 test -f "$repo/$sample_file" || exit
119 if ln "$repo/$sample_file" "$D/.git/objects/sample" 2>/dev/null
120 then
122 fi &&
123 rm -f "$D/.git/objects/sample" &&
124 cd "$repo" &&
125 find objects -type f -print |
126 cpio -puamd$l "$D/.git/" || exit 1
128 yes)
129 mkdir -p "$D/.git/objects/info"
131 test -f "$repo/objects/info/alternates" &&
132 cat "$repo/objects/info/alternates";
133 echo "$repo/objects"
134 } >"$D/.git/objects/info/alternates"
136 esac
138 # Make a duplicate of refs and HEAD pointer
139 HEAD=
140 if test -f "$repo/HEAD"
141 then
142 HEAD=HEAD
144 (cd "$repo" && tar cf - refs $HEAD) |
145 (cd "$D/.git" && tar xf -) || exit 1
148 case "$repo" in
149 rsync://*)
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/" "$D/.git/refs/" || exit
155 # Look at objects/info/alternates for rsync -- http will
156 # support it natively and git native ones will do it on the
157 # remote end. Not having that file is not a crime.
158 rsync -q "$repo/objects/info/alternates" \
159 "$D/.git/TMP_ALT" 2>/dev/null ||
160 rm -f "$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
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"
178 http://*)
179 clone_dumb_http "$repo" "$D"
182 cd "$D" && case "$upload_pack" in
183 '') git-clone-pack $quiet "$repo" ;;
184 *) git-clone-pack $quiet "$upload_pack" "$repo" ;;
185 esac
187 esac
189 esac
191 cd $D || exit
193 if test -f ".git/HEAD"
194 then
195 mkdir -p .git/remotes || exit
196 echo >.git/remotes/origin \
197 "URL: $repo
198 Pull: master:origin"
199 case "$no_checkout" in
201 git checkout
202 esac