3 . git-sh-setup-script || die "Not a git archive"
4 . git-parse-remote-script
5 _x40='[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]'
6 _x40="$_x40$_x40$_x40$_x40$_x40$_x40$_x40$_x40"
11 while case "$#" in 0) break ;; esac
14 -a|--a|--ap|--app|--appe|--appen|--append)
17 -f|--f|--fo|--for|--forc|--force)
20 -u|--u|--up|--upd|--upda|--updat|--update|--update-|--update-h|\
21 --update-he|--update-hea|--update-head|--update-head-|\
22 --update-head-o|--update-head-ok)
34 test -f "$GIT_DIR/branches/origin" ||
35 test -f "$GIT_DIR/remotes/origin" ||
36 die "Where do you want to fetch from today?"
41 remote=$(get_remote_url "$@")
44 rsync_slurped_objects=
46 if test "" = "$append"
48 : >$GIT_DIR/FETCH_HEAD
51 append_fetch_head () {
58 # 2.6.11-tree tag would not be happy to be fed to resolve.
59 if git-cat-file commit "$head_" >/dev/null 2>&1
61 headc_=$(git-rev-parse --verify "$head_^0") || exit
62 note_="$headc_ $remote_name_ from $remote_nick_"
63 echo "$note_" >>$GIT_DIR/FETCH_HEAD
64 echo >&2 "* committish: $note_"
66 echo >&2 "* non-commit: $note_"
68 if test "$local_name_" != ""
70 # We are storing the head locally. Make sure that it is
71 # a fast forward (aka "reverse push").
72 fast_forward_local "$local_name_" "$head_" "$remote_" "$remote_name_"
76 fast_forward_local () {
79 # Tags need not be pointing at commits so there
80 # is no way to guarantee "fast-forward" anyway.
81 if test -f "$GIT_DIR/$1"
83 echo >&2 "* $1: updating with $4"
86 echo >&2 "* $1: storing $4"
89 echo "$2" >"$GIT_DIR/$1" ;;
92 # NEEDSWORK: use the same cmpxchg protocol here.
93 echo "$2" >"$GIT_DIR/$1.lock"
94 if test -f "$GIT_DIR/$1"
96 local=$(git-rev-parse --verify "$1^0") &&
97 mb=$(git-merge-base "$local" "$2") &&
100 echo >&2 "* $1: same as $4"
104 echo >&2 "* $1: fast forward to $4"
111 echo >&2 "* $1: does not fast forward to $4"
112 case "$force,$single_force" in
114 echo >&2 " from $3; forcing update."
117 mv "$GIT_DIR/$1.lock" "$GIT_DIR/$1.remote"
118 echo >&2 " from $3; leaving it in '$1.remote'"
123 echo >&2 "* $1: storing $4"
126 test -f "$GIT_DIR/$1.lock" &&
127 mv "$GIT_DIR/$1.lock" "$GIT_DIR/$1"
132 case "$update_head_ok" in
134 orig_head=$(cat "$GIT_DIR/HEAD" 2>/dev/null)
138 for ref in $(get_remote_refs_for_fetch "$@")
142 # These are relative path from $GIT_DIR, typically starting at refs/
144 if expr "$ref" : '\+' >/dev/null
147 ref=$(expr "$ref" : '\+\(.*\)')
151 remote_name=$(expr "$ref" : '\([^:]*\):')
152 local_name=$(expr "$ref" : '[^:]*:\(.*\)')
154 rref="$rref $remote_name"
156 # There are transports that can fetch only one head at a time...
158 http://* | https://*)
159 if [ -n "$GIT_SSL_NO_VERIFY" ]; then
162 head=$(curl -nsf $curl_extra_args "$remote/$remote_name") &&
163 expr "$head" : "$_x40\$" >/dev/null ||
164 die "Failed to fetch $remote_name from $remote"
165 echo Fetching "$remote_name from $remote" using http
166 git-http-pull -v -a "$head" "$remote/" || exit
169 TMP_HEAD="$GIT_DIR/TMP_HEAD"
170 rsync -L "$remote/$remote_name" "$TMP_HEAD" || exit 1
171 head=$(git-rev-parse TMP_HEAD)
173 test "$rsync_slurped_objects" || {
174 rsync -avz --ignore-existing "$remote/objects/" \
175 "$GIT_OBJECT_DIRECTORY/" || exit
176 rsync_slurped_objects=t
180 # We will do git native transport with just one call later.
184 append_fetch_head "$head" "$remote" "$remote_name" "$remote_nick" "$local_name"
189 http://* | https://* | rsync://* )
190 ;; # we are already done.
192 git-fetch-pack "$remote" $rref |
193 while read sha1 remote_name
210 local_name=$(expr "$found" : '[^:]*:\(.*\)')
211 append_fetch_head "$sha1" "$remote" "$remote_name" "$remote_nick" "$local_name"
216 # If the original head was empty (i.e. no "master" yet), or
217 # if we were told not to worry, we do not have to check.
218 case ",$update_head_ok,$orig_head," in
222 curr_head=$(cat "$GIT_DIR/HEAD" 2>/dev/null)
223 if test "$curr_head" != "$orig_head"
225 echo "$orig_head" >$GIT_DIR/HEAD
226 die "Cannot fetch into the current branch."