3 . git-sh-setup || die
"Not a git archive"
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 t
) not_for_merge_
='not-for-merge' ;;
59 '') not_for_merge_
= ;;
62 # remote-nick is the URL given on the command line (or a shorthand)
63 # remote-name is the $GIT_DIR relative refs/ path we computed
65 case "$remote_name_" in
69 note_
="$(expr "$remote_name_" : 'refs/heads/\(.*\)')"
70 note_
="branch '$note_' of " ;;
72 note_
="$(expr "$remote_name_" : 'refs/tags/\(.*\)')"
73 note_
="tag '$note_' of " ;;
75 note_
="$remote_name of " ;;
77 remote_1_
=$
(expr "$remote_" : '\(.*\)\.git/*$') &&
79 note_
="$note_$remote_"
81 # 2.6.11-tree tag would not be happy to be fed to resolve.
82 if git-cat-file commit
"$head_" >/dev
/null
2>&1
84 headc_
=$
(git-rev-parse
--verify "$head_^0") ||
exit
85 echo "$headc_ $not_for_merge_ $note_" >>$GIT_DIR/FETCH_HEAD
86 echo >&2 "* committish: $head_"
89 echo "$head_ not-for-merge $note_" >>$GIT_DIR/FETCH_HEAD
90 echo >&2 "* non-commit: $head_"
93 if test "$local_name_" != ""
95 # We are storing the head locally. Make sure that it is
96 # a fast forward (aka "reverse push").
97 fast_forward_local
"$local_name_" "$head_" "$note_"
101 fast_forward_local
() {
102 mkdir
-p "$(dirname "$GIT_DIR/$1")"
105 # Tags need not be pointing at commits so there
106 # is no way to guarantee "fast-forward" anyway.
107 if test -f "$GIT_DIR/$1"
109 echo >&2 "* $1: updating with $3"
111 echo >&2 "* $1: storing $3"
113 echo "$2" >"$GIT_DIR/$1" ;;
116 # NEEDSWORK: use the same cmpxchg protocol here.
117 echo "$2" >"$GIT_DIR/$1.lock"
118 if test -f "$GIT_DIR/$1"
120 local=$
(git-rev-parse
--verify "$1^0") &&
121 mb
=$
(git-merge-base
"$local" "$2") &&
124 echo >&2 "* $1: same as $3"
127 echo >&2 "* $1: fast forward to $3"
133 echo >&2 "* $1: does not fast forward to $3;"
134 case "$force,$single_force" in
136 echo >&2 " forcing update."
139 mv "$GIT_DIR/$1.lock" "$GIT_DIR/$1.remote"
140 echo >&2 " leaving it in '$1.remote'"
145 echo >&2 "* $1: storing $3"
147 test -f "$GIT_DIR/$1.lock" &&
148 mv "$GIT_DIR/$1.lock" "$GIT_DIR/$1"
153 case "$update_head_ok" in
155 orig_head
=$
(cat "$GIT_DIR/HEAD" 2>/dev
/null
)
159 for ref
in $
(get_remote_refs_for_fetch
"$@")
163 # These are relative path from $GIT_DIR, typically starting at refs/
165 if expr "$ref" : '\.' >/dev
/null
168 ref
=$
(expr "$ref" : '\.\(.*\)')
172 if expr "$ref" : '\+' >/dev
/null
175 ref
=$
(expr "$ref" : '\+\(.*\)')
179 remote_name
=$
(expr "$ref" : '\([^:]*\):')
180 local_name
=$
(expr "$ref" : '[^:]*:\(.*\)')
182 rref
="$rref $remote_name"
184 # There are transports that can fetch only one head at a time...
186 http
://* | https
://*)
187 if [ -n "$GIT_SSL_NO_VERIFY" ]; then
190 head=$
(curl
-nsf $curl_extra_args "$remote/$remote_name") &&
191 expr "$head" : "$_x40\$" >/dev
/null ||
192 die
"Failed to fetch $remote_name from $remote"
193 echo >&2 Fetching
"$remote_name from $remote" using http
194 git-http-fetch
-v -a "$head" "$remote/" ||
exit
197 TMP_HEAD
="$GIT_DIR/TMP_HEAD"
198 rsync
-L -q "$remote/$remote_name" "$TMP_HEAD" ||
exit 1
199 head=$
(git-rev-parse TMP_HEAD
)
201 test "$rsync_slurped_objects" ||
{
202 rsync
-av --ignore-existing --exclude info \
203 "$remote/objects/" "$GIT_OBJECT_DIRECTORY/" ||
exit
205 # Look at objects/info/alternates for rsync -- http will
206 # support it natively and git native ones will do it on the remote
207 # end. Not having that file is not a crime.
208 rsync
-q "$remote/objects/info/alternates" \
209 "$GIT_DIR/TMP_ALT" 2>/dev
/null ||
210 rm -f "$GIT_DIR/TMP_ALT"
211 if test -f "$GIT_DIR/TMP_ALT"
213 resolve_alternates
"$remote" <"$GIT_DIR/TMP_ALT" |
216 case "$alt" in 'bad alternate: '*) die
"$alt";; esac
217 echo >&2 "Getting alternate: $alt"
218 rsync
-av --ignore-existing --exclude info \
219 "$alt" "$GIT_OBJECT_DIRECTORY/" ||
exit
221 rm -f "$GIT_DIR/TMP_ALT"
223 rsync_slurped_objects
=t
227 # We will do git native transport with just one call later.
231 append_fetch_head
"$head" "$remote" \
232 "$remote_name" "$remote_nick" "$local_name" "$not_for_merge"
237 http
://* | https
://* | rsync
://* )
238 ;; # we are already done.
241 git-fetch-pack
"$remote" $rref ||
echo failed
"$remote"
243 while read sha1 remote_name
247 echo >&2 "Fetch failure: $remote"
275 local_name
=$
(expr "$found" : '[^:]*:\(.*\)')
276 append_fetch_head
"$sha1" "$remote" \
277 "$remote_name" "$remote_nick" "$local_name" "$not_for_merge"
282 # If the original head was empty (i.e. no "master" yet), or
283 # if we were told not to worry, we do not have to check.
284 case ",$update_head_ok,$orig_head," in
288 curr_head
=$
(cat "$GIT_DIR/HEAD" 2>/dev
/null
)
289 if test "$curr_head" != "$orig_head"
291 echo "$orig_head" >$GIT_DIR/HEAD
292 die
"Cannot fetch into the current branch."