USAGE='<fetch-options> <repository> <refspec>...'
SUBDIRECTORY_OK=Yes
. git-sh-setup
-TOP=$(git-rev-parse --show-cdup)
-if test ! -z "$TOP"
-then
- cd "$TOP"
-fi
+set_reflog_action "fetch $*"
+cd_to_toplevel ;# probably unnecessary...
+
. git-parse-remote
_x40='[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]'
_x40="$_x40$_x40$_x40$_x40$_x40$_x40$_x40$_x40"
'
IFS="$LF"
-rloga=fetch
no_tags=
tags=
append=
verbose=
update_head_ok=
exec=
-upload_pack=
keep=
+shallow_depth=
while case "$#" in 0) break ;; esac
do
case "$1" in
--upl|--uplo|--uploa|--upload|--upload-|--upload-p|\
--upload-pa|--upload-pac|--upload-pack)
shift
- exec="--exec=$1"
- upload_pack="-u $1"
+ exec="--upload-pack=$1"
+ ;;
+ --upl=*|--uplo=*|--uploa=*|--upload=*|\
+ --upload-=*|--upload-p=*|--upload-pa=*|--upload-pac=*|--upload-pack=*)
+ exec=--upload-pack=$(expr "z$1" : 'z-[^=]*=\(.*\)')
+ shift
;;
-f|--f|--fo|--for|--forc|--force)
force=t
-k|--k|--ke|--kee|--keep)
keep='-k -k'
;;
- --reflog-action=*)
- rloga=`expr "z$1" : 'z-[^=]*=\(.*\)'`
+ --depth=*)
+ shallow_depth="--depth=`expr "z$1" : 'z-[^=]*=\(.*\)'`"
+ ;;
+ --depth)
+ shift
+ shallow_depth="--depth=$1"
;;
-*)
usage
set x $origin ; shift ;;
esac
+if test -z "$exec"
+then
+ # No command line override and we have configuration for the remote.
+ exec="--upload-pack=$(get_uploadpack $1)"
+fi
+
remote_nick="$1"
remote=$(get_remote_url "$@")
refs=
rref=
rsync_slurped_objects=
-rloga="$rloga $remote_nick"
-test "$remote_nick" = "$remote" || rloga="$rloga $remote"
-
if test "" = "$append"
then
: >"$GIT_DIR/FETCH_HEAD"
fi
# Global that is reused later
-ls_remote_result=$(git ls-remote $upload_pack "$remote") ||
+ls_remote_result=$(git ls-remote $exec "$remote") ||
die "Cannot get the repository state from $remote"
append_fetch_head () {
else
echo >&2 "* $1: updating with $3"
echo >&2 " $label_: $newshort_"
- git-update-ref -m "$rloga: updating tag" "$1" "$2"
+ git-update-ref -m "$GIT_REFLOG_ACTION: updating tag" "$1" "$2"
fi
else
echo >&2 "* $1: storing $3"
echo >&2 " $label_: $newshort_"
- git-update-ref -m "$rloga: storing tag" "$1" "$2"
+ git-update-ref -m "$GIT_REFLOG_ACTION: storing tag" "$1" "$2"
fi
;;
*,$local)
echo >&2 "* $1: fast forward to $3"
echo >&2 " old..new: $oldshort_..$newshort_"
- git-update-ref -m "$rloga: fast-forward" "$1" "$2" "$local"
+ git-update-ref -m "$GIT_REFLOG_ACTION: fast-forward" "$1" "$2" "$local"
;;
*)
false
*,t,*)
echo >&2 "* $1: forcing update to non-fast forward $3"
echo >&2 " old...new: $oldshort_...$newshort_"
- git-update-ref -m "$rloga: forced-update" "$1" "$2" "$local"
+ git-update-ref -m "$GIT_REFLOG_ACTION: forced-update" "$1" "$2" "$local"
;;
*)
echo >&2 "* $1: not updating to non-fast forward $3"
else
echo >&2 "* $1: storing $3"
echo >&2 " $label_: $newshort_"
- git-update-ref -m "$rloga: storing head" "$1" "$2"
+ git-update-ref -m "$GIT_REFLOG_ACTION: storing head" "$1" "$2"
fi
;;
esac
}
-case "$update_head_ok" in
-'')
+# updating the current HEAD with git-fetch in a bare
+# repository is always fine.
+if test -z "$update_head_ok" && test $(is_bare_repository) = false
+then
orig_head=$(git-rev-parse --verify HEAD 2>/dev/null)
- ;;
-esac
+fi
# If --tags (and later --heads or --all) is specified, then we are
# not talking about defaults stored in Pull: line of remotes or
then
taglist=`IFS=' ' &&
echo "$ls_remote_result" |
+ git-show-ref --exclude-existing=refs/tags/ |
while read sha1 name
do
- case "$sha1" in
- fail)
- exit 1
- esac
- case "$name" in
- *^*) continue ;;
- refs/tags/*) ;;
- *) continue ;;
- esac
- if git-check-ref-format "$name"
- then
- echo ".${name}:${name}"
- else
- echo >&2 "warning: tag ${name} ignored"
- fi
+ echo ".${name}:${name}"
done` || exit
if test "$#" -gt 1
then
fi
fi
-fetch_main () {
+fetch_native () {
+ reflist="$1"
+ refs=
+ rref=
+
+ for ref in $reflist
+ do
+ refs="$refs$LF$ref"
+
+ # These are relative path from $GIT_DIR, typically starting at refs/
+ # but may be HEAD
+ if expr "z$ref" : 'z\.' >/dev/null
+ then
+ not_for_merge=t
+ ref=$(expr "z$ref" : 'z\.\(.*\)')
+ else
+ not_for_merge=
+ fi
+ if expr "z$ref" : 'z+' >/dev/null
+ then
+ single_force=t
+ ref=$(expr "z$ref" : 'z+\(.*\)')
+ else
+ single_force=
+ fi
+ remote_name=$(expr "z$ref" : 'z\([^:]*\):')
+ local_name=$(expr "z$ref" : 'z[^:]*:\(.*\)')
+
+ rref="$rref$LF$remote_name"
+ done
+
+ ( : subshell because we muck with IFS
+ IFS=" $LF"
+ (
+ git-fetch-pack --thin $exec $keep $shallow_depth "$remote" $rref ||
+ echo failed "$remote"
+ ) |
+ (
+ trap '
+ if test -n "$keepfile" && test -f "$keepfile"
+ then
+ rm -f "$keepfile"
+ fi
+ ' 0
+
+ keepfile=
+ while read sha1 remote_name
+ do
+ case "$sha1" in
+ failed)
+ echo >&2 "Fetch failure: $remote"
+ exit 1 ;;
+ # special line coming from index-pack with the pack name
+ pack)
+ continue ;;
+ keep)
+ keepfile="$GIT_OBJECT_DIRECTORY/pack/pack-$remote_name.keep"
+ continue ;;
+ esac
+ found=
+ single_force=
+ for ref in $refs
+ do
+ case "$ref" in
+ +$remote_name:*)
+ single_force=t
+ not_for_merge=
+ found="$ref"
+ break ;;
+ .+$remote_name:*)
+ single_force=t
+ not_for_merge=t
+ found="$ref"
+ break ;;
+ .$remote_name:*)
+ not_for_merge=t
+ found="$ref"
+ break ;;
+ $remote_name:*)
+ not_for_merge=
+ found="$ref"
+ break ;;
+ esac
+ done
+ local_name=$(expr "z$found" : 'z[^:]*:\(.*\)')
+ append_fetch_head "$sha1" "$remote" \
+ "$remote_name" "$remote_nick" "$local_name" \
+ "$not_for_merge" || exit
+ done
+ )
+ ) || exit
+
+}
+
+fetch_dumb () {
reflist="$1"
refs=
rref=
# There are transports that can fetch only one head at a time...
case "$remote" in
http://* | https://* | ftp://*)
+ test -n "$shallow_depth" &&
+ die "shallow clone with http not supported"
proto=`expr "$remote" : '\([^:]*\):'`
if [ -n "$GIT_SSL_NO_VERIFY" ]; then
curl_extra_args="-k"
fi
if [ -n "$GIT_CURL_FTP_NO_EPSV" -o \
- "`git-repo-config --bool http.noEPSV`" = true ]; then
+ "`git-config --bool http.noEPSV`" = true ]; then
noepsv_opt="--disable-epsv"
fi
git-http-fetch -v -a "$head" "$remote/" || exit
;;
rsync://*)
+ test -n "$shallow_depth" &&
+ die "shallow clone with rsync not supported"
TMP_HEAD="$GIT_DIR/TMP_HEAD"
rsync -L -q "$remote/$remote_name" "$TMP_HEAD" || exit 1
head=$(git-rev-parse --verify TMP_HEAD)
rsync_slurped_objects=t
}
;;
- *)
- # We will do git native transport with just one call later.
- continue ;;
esac
append_fetch_head "$head" "$remote" \
done
- case "$remote" in
- http://* | https://* | ftp://* | rsync://* )
- ;; # we are already done.
- *)
- ( : subshell because we muck with IFS
- pack_lockfile=
- IFS=" $LF"
- (
- git-fetch-pack --thin $exec $keep "$remote" $rref || echo failed "$remote"
- ) |
- while read sha1 remote_name
- do
- case "$sha1" in
- failed)
- echo >&2 "Fetch failure: $remote"
- exit 1 ;;
- # special line coming from index-pack with the pack name
- pack)
- continue ;;
- keep)
- pack_lockfile="$GIT_OBJECT_DIRECTORY/pack/pack-$remote_name.keep"
- continue ;;
- esac
- found=
- single_force=
- for ref in $refs
- do
- case "$ref" in
- +$remote_name:*)
- single_force=t
- not_for_merge=
- found="$ref"
- break ;;
- .+$remote_name:*)
- single_force=t
- not_for_merge=t
- found="$ref"
- break ;;
- .$remote_name:*)
- not_for_merge=t
- found="$ref"
- break ;;
- $remote_name:*)
- not_for_merge=
- found="$ref"
- break ;;
- esac
- done
- local_name=$(expr "z$found" : 'z[^:]*:\(.*\)')
- append_fetch_head "$sha1" "$remote" \
- "$remote_name" "$remote_nick" "$local_name" \
- "$not_for_merge" || exit
- done &&
- if [ "$pack_lockfile" ]; then rm -f "$pack_lockfile"; fi
- ) || exit ;;
- esac
+}
+fetch_main () {
+ case "$remote" in
+ http://* | https://* | ftp://* | rsync://* )
+ fetch_dumb "$@"
+ ;;
+ *)
+ fetch_native "$@"
+ ;;
+ esac
}
fetch_main "$reflist" || exit
case "$taglist" in
'') ;;
?*)
+ # do not deepen a shallow tree when following tags
+ shallow_depth=
fetch_main "$taglist" || exit ;;
esac
esac
if test "$curr_head" != "$orig_head"
then
git-update-ref \
- -m "$rloga: Undoing incorrectly fetched HEAD." \
+ -m "$GIT_REFLOG_ACTION: Undoing incorrectly fetched HEAD." \
HEAD "$orig_head"
die "Cannot fetch into the current branch."
fi