3 # Copyright (c) 2005, Linus Torvalds
4 # Copyright (c) 2005, Junio C Hamano
6 # Clone a repository into a different directory that does not yet exist.
8 # See git-sh-setup why.
12 echo >&2 "* git clone [-l [-s]] [-q] [-u <upload-pack>] [-n] <repo> <dir>"
17 (cd "$1" && (cd .git ; pwd)) 2> /dev/null
20 if [ -n "$GIT_SSL_NO_VERIFY" ]; then
25 # $1 = Remote, $2 = Local
26 curl -nsf $curl_extra_args "$1" >"$2"
30 # $1 - remote, $2 - local
32 clone_tmp='.git/clone-tmp' &&
33 mkdir -p "$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?"
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/\(.*\)'` &&
59 git-http-fetch -v -a -w "$name" "$name" "$1/" || exit 1
61 done <"$clone_tmp/refs"
73 *,-n) no_checkout=yes ;;
74 *,-l|*,--l|*,--lo|*,--loc|*,--loca|*,--local) use_local=yes ;;
75 *,-s|*,--s|*,--sh|*,--sha|*,--shar|*,--share|*,--shared)
77 *,-q|*,--quiet) quiet=-q ;;
78 1,-u|1,--upload-pack) usage ;;
81 upload_pack="--exec=$1" ;;
89 # Turn the source into an absolute path if
93 if base=$(get_repo_base "$repo"); then
101 (cd "$dir" && git-init-db && pwd)
103 test -d "$D" || usage
105 # We do local magic only when the user tells us to.
106 case "$local,$use_local" in
108 ( cd "$repo/objects" ) || {
109 echo >&2 "-l flag seen but $repo is not local."
113 case "$local_shared" in
115 # See if we can hardlink and drop "l" if not.
116 sample_file=$(cd "$repo" && \
117 find objects -type f -print | sed -e 1q)
119 # objects directory should not be empty since we are cloning!
120 test -f "$repo/$sample_file" || exit
123 if ln "$repo/$sample_file" "$D/.git/objects/sample" 2>/dev/null
127 rm -f "$D/.git/objects/sample" &&
129 find objects -type f -print |
130 cpio -puamd$l "$D/.git/" || exit 1
133 mkdir -p "$D/.git/objects/info"
135 test -f "$repo/objects/info/alternates" &&
136 cat "$repo/objects/info/alternates";
138 } >"$D/.git/objects/info/alternates"
142 # Make a duplicate of refs and HEAD pointer
144 if test -f "$repo/HEAD"
148 (cd "$repo" && tar cf - refs $HEAD) |
149 (cd "$D/.git" && tar xf -) || exit 1
154 rsync $quiet -av --ignore-existing \
155 --exclude info "$repo/objects/" "$D/.git/objects/" &&
156 rsync $quiet -av --ignore-existing \
157 --exclude info "$repo/refs/" "$D/.git/refs/" || exit
159 # Look at objects/info/alternates for rsync -- http will
160 # support it natively and git native ones will do it on the
161 # remote end. Not having that file is not a crime.
162 rsync -q "$repo/objects/info/alternates" \
163 "$D/.git/TMP_ALT" 2>/dev/null ||
164 rm -f "$D/.git/TMP_ALT"
165 if test -f "$D/.git/TMP_ALT"
168 . git-parse-remote &&
169 resolve_alternates "$repo" <"./.git/TMP_ALT" ) |
172 case "$alt" in 'bad alternate: '*) die "$alt";; esac
174 '') echo >&2 "Getting alternate: $alt" ;;
176 rsync $quiet -av --ignore-existing \
177 --exclude info "$alt" "$D/.git/objects" || exit
179 rm -f "$D/.git/TMP_ALT"
183 clone_dumb_http "$repo" "$D"
186 cd "$D" && case "$upload_pack" in
187 '') git-clone-pack $quiet "$repo" ;;
188 *) git-clone-pack $quiet "$upload_pack" "$repo" ;;
197 if test -f ".git/HEAD"
199 mkdir -p .git/remotes || exit
200 echo >.git/remotes/origin \
203 case "$no_checkout" in