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 git-update-ref
"$1" "$2"
117 # $1 is the ref being updated.
118 # $2 is the new value for the ref.
119 local=$
(git-rev-parse
--verify "$1^0" 2>/dev
/null
)
122 # Require fast-forward.
123 mb
=$
(git-merge-base
"$local" "$2") &&
126 echo >&2 "* $1: same as $3"
129 echo >&2 "* $1: fast forward to $3"
130 git-update-ref
"$1" "$2" "$local"
136 echo >&2 "* $1: does not fast forward to $3;"
137 case ",$force,$single_force," in
139 echo >&2 " forcing update."
140 git-update-ref
"$1" "$2" "$local"
143 echo >&2 " not updating."
148 echo >&2 "* $1: storing $3"
149 git-update-ref
"$1" "$2"
155 case "$update_head_ok" in
157 orig_head
=$
(git-rev-parse
--verify HEAD
2>/dev
/null
)
161 for ref
in $
(get_remote_refs_for_fetch
"$@")
165 # These are relative path from $GIT_DIR, typically starting at refs/
167 if expr "$ref" : '\.' >/dev
/null
170 ref
=$
(expr "$ref" : '\.\(.*\)')
174 if expr "$ref" : '\+' >/dev
/null
177 ref
=$
(expr "$ref" : '\+\(.*\)')
181 remote_name
=$
(expr "$ref" : '\([^:]*\):')
182 local_name
=$
(expr "$ref" : '[^:]*:\(.*\)')
184 rref
="$rref $remote_name"
186 # There are transports that can fetch only one head at a time...
188 http
://* | https
://*)
189 if [ -n "$GIT_SSL_NO_VERIFY" ]; then
192 head=$
(curl
-nsf $curl_extra_args "$remote/$remote_name") &&
193 expr "$head" : "$_x40\$" >/dev
/null ||
194 die
"Failed to fetch $remote_name from $remote"
195 echo >&2 Fetching
"$remote_name from $remote" using http
196 git-http-fetch
-v -a "$head" "$remote/" ||
exit
199 TMP_HEAD
="$GIT_DIR/TMP_HEAD"
200 rsync
-L -q "$remote/$remote_name" "$TMP_HEAD" ||
exit 1
201 head=$
(git-rev-parse
--verify TMP_HEAD
)
203 test "$rsync_slurped_objects" ||
{
204 rsync
-av --ignore-existing --exclude info \
205 "$remote/objects/" "$GIT_OBJECT_DIRECTORY/" ||
exit
207 # Look at objects/info/alternates for rsync -- http will
208 # support it natively and git native ones will do it on the remote
209 # end. Not having that file is not a crime.
210 rsync
-q "$remote/objects/info/alternates" \
211 "$GIT_DIR/TMP_ALT" 2>/dev
/null ||
212 rm -f "$GIT_DIR/TMP_ALT"
213 if test -f "$GIT_DIR/TMP_ALT"
215 resolve_alternates
"$remote" <"$GIT_DIR/TMP_ALT" |
218 case "$alt" in 'bad alternate: '*) die
"$alt";; esac
219 echo >&2 "Getting alternate: $alt"
220 rsync
-av --ignore-existing --exclude info \
221 "$alt" "$GIT_OBJECT_DIRECTORY/" ||
exit
223 rm -f "$GIT_DIR/TMP_ALT"
225 rsync_slurped_objects
=t
229 # We will do git native transport with just one call later.
233 append_fetch_head
"$head" "$remote" \
234 "$remote_name" "$remote_nick" "$local_name" "$not_for_merge"
239 http
://* | https
://* | rsync
://* )
240 ;; # we are already done.
243 git-fetch-pack
"$remote" $rref ||
echo failed
"$remote"
245 while read sha1 remote_name
249 echo >&2 "Fetch failure: $remote"
277 local_name
=$
(expr "$found" : '[^:]*:\(.*\)')
278 append_fetch_head
"$sha1" "$remote" \
279 "$remote_name" "$remote_nick" "$local_name" "$not_for_merge"
284 # If the original head was empty (i.e. no "master" yet), or
285 # if we were told not to worry, we do not have to check.
286 case ",$update_head_ok,$orig_head," in
290 curr_head
=$
(git-rev-parse
--verify HEAD
2>/dev
/null
)
291 if test "$curr_head" != "$orig_head"
293 git-update-ref HEAD
"$orig_head"
294 die
"Cannot fetch into the current branch."