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diff --git a/git-fetch.sh b/git-fetch.sh
index 539dff6ee05f7cfde20ea34a80a1e6bbdc1fbca2..fd70696b7479ad08eedbb44b75654f07247cc37b 100755 (executable)
--- a/git-fetch.sh
+++ b/git-fetch.sh
#
USAGE='<fetch-options> <repository> <refspec>...'
+SUBDIRECTORY_OK=Yes
. git-sh-setup
+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=--thin
+keep=
+shallow_depth=
+no_progress=
+test -t 1 || no_progress=--no-progress
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
verbose=Yes
;;
-k|--k|--ke|--kee|--keep)
- keep=--keep
+ keep='-k -k'
+ ;;
+ --depth=*)
+ shallow_depth="--depth=`expr "z$1" : 'z-[^=]*=\(.*\)'`"
;;
- --reflog-action=*)
- rloga=`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 $exec "$remote") ||
+ die "Cannot get the repository state from $remote"
+
append_fetch_head () {
- head_="$1"
- remote_="$2"
- remote_name_="$3"
- remote_nick_="$4"
- local_name_="$5"
- case "$6" in
- t) not_for_merge_='not-for-merge' ;;
- '') not_for_merge_= ;;
- esac
-
- # remote-nick is the URL given on the command line (or a shorthand)
- # remote-name is the $GIT_DIR relative refs/ path we computed
- # for this refspec.
-
- # the $note_ variable will be fed to git-fmt-merge-msg for further
- # processing.
- case "$remote_name_" in
- HEAD)
- note_= ;;
- refs/heads/*)
- note_="$(expr "$remote_name_" : 'refs/heads/\(.*\)')"
- note_="branch '$note_' of " ;;
- refs/tags/*)
- note_="$(expr "$remote_name_" : 'refs/tags/\(.*\)')"
- note_="tag '$note_' of " ;;
- refs/remotes/*)
- note_="$(expr "$remote_name_" : 'refs/remotes/\(.*\)')"
- note_="remote branch '$note_' of " ;;
- *)
- note_="$remote_name of " ;;
- esac
- remote_1_=$(expr "z$remote_" : 'z\(.*\)\.git/*$') &&
- remote_="$remote_1_"
- note_="$note_$remote_"
-
- # 2.6.11-tree tag would not be happy to be fed to resolve.
- if git-cat-file commit "$head_" >/dev/null 2>&1
- then
- headc_=$(git-rev-parse --verify "$head_^0") || exit
- echo "$headc_ $not_for_merge_ $note_" >>"$GIT_DIR/FETCH_HEAD"
- else
- echo "$head_ not-for-merge $note_" >>"$GIT_DIR/FETCH_HEAD"
- fi
-
- update_local_ref "$local_name_" "$head_" "$note_"
+ flags=
+ test -n "$verbose" && flags="$flags$LF-v"
+ test -n "$force$single_force" && flags="$flags$LF-f"
+ GIT_REFLOG_ACTION="$GIT_REFLOG_ACTION" \
+ git-fetch--tool $flags append-fetch-head "$@"
}
-update_local_ref () {
- # If we are storing the head locally make sure that it is
- # a fast forward (aka "reverse push").
-
- label_=$(git-cat-file -t $2)
- newshort_=$(git-rev-parse --short $2)
- if test -z "$1" ; then
- [ "$verbose" ] && echo >&2 "* fetched $3"
- [ "$verbose" ] && echo >&2 " $label_: $newshort_"
- return 0
- fi
- oldshort_=$(git show-ref --hash --abbrev "$1" 2>/dev/null)
-
- case "$1" in
- refs/tags/*)
- # Tags need not be pointing at commits so there
- # is no way to guarantee "fast-forward" anyway.
- if test -n "$oldshort_"
- then
- if now_=$(git show-ref --hash "$1") && test "$now_" = "$2"
- then
- [ "$verbose" ] && echo >&2 "* $1: same as $3"
- [ "$verbose" ] && echo >&2 " $label_: $newshort_" ||:
- else
- echo >&2 "* $1: updating with $3"
- echo >&2 " $label_: $newshort_"
- git-update-ref -m "$rloga: updating tag" "$1" "$2"
- fi
- else
- echo >&2 "* $1: storing $3"
- echo >&2 " $label_: $newshort_"
- git-update-ref -m "$rloga: storing tag" "$1" "$2"
- fi
- ;;
-
- refs/heads/* | refs/remotes/*)
- # $1 is the ref being updated.
- # $2 is the new value for the ref.
- local=$(git-rev-parse --verify "$1^0" 2>/dev/null)
- if test "$local"
- then
- # Require fast-forward.
- mb=$(git-merge-base "$local" "$2") &&
- case "$2,$mb" in
- $local,*)
- if test -n "$verbose"
- then
- echo >&2 "* $1: same as $3"
- echo >&2 " $label_: $newshort_"
- fi
- ;;
- *,$local)
- echo >&2 "* $1: fast forward to $3"
- echo >&2 " old..new: $oldshort_..$newshort_"
- git-update-ref -m "$rloga: fast-forward" "$1" "$2" "$local"
- ;;
- *)
- false
- ;;
- esac || {
- case ",$force,$single_force," in
- *,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"
- ;;
- *)
- echo >&2 "* $1: not updating to non-fast forward $3"
- echo >&2 " old...new: $oldshort_...$newshort_"
- exit 1
- ;;
- esac
- }
- else
- echo >&2 "* $1: storing $3"
- echo >&2 " $label_: $newshort_"
- git-update-ref -m "$rloga: storing head" "$1" "$2"
- fi
- ;;
- esac
-}
+# updating the current HEAD with git-fetch in a bare
+# repository is always fine.
+if test -z "$update_head_ok" && test $(is_bare_repository) = false
+then
+ orig_head=$(git-rev-parse --verify HEAD 2>/dev/null)
+fi
-case "$update_head_ok" in
+# Allow --notags from remote.$1.tagopt
+case "$tags$no_tags" in
'')
- orig_head=$(git-rev-parse --verify HEAD 2>/dev/null)
- ;;
+ case "$(git-config --get "remote.$1.tagopt")" in
+ --no-tags)
+ no_tags=t ;;
+ esac
esac
# If --tags (and later --heads or --all) is specified, then we are
reflist=$(get_remote_refs_for_fetch "$@")
if test "$tags"
then
- taglist=`IFS=" " &&
- (
- git-ls-remote $upload_pack --tags "$remote" ||
- echo fail ouch
- ) |
+ 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 "$name" in
- *^*) continue ;;
- esac
- if git-check-ref-format "$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_all_at_once () {
+
+ eval=$(echo "$1" | git-fetch--tool parse-reflist "-")
+ eval "$eval"
+
+ ( : subshell because we muck with IFS
+ IFS=" $LF"
+ (
+ if test "$remote" = . ; then
+ git-show-ref $rref || echo failed "$remote"
+ elif test -f "$remote" ; then
+ test -n "$shallow_depth" &&
+ die "shallow clone with bundle is not supported"
+ git-bundle unbundle "$remote" $rref ||
+ echo failed "$remote"
+ else
+ git-fetch-pack --thin $exec $keep $shallow_depth $no_progress \
+ "$remote" $rref ||
+ echo failed "$remote"
+ fi
+ ) |
+ (
+ flags=
+ test -n "$verbose" && flags="$flags -v"
+ test -n "$force" && flags="$flags -f"
+ GIT_REFLOG_ACTION="$GIT_REFLOG_ACTION" \
+ git-fetch--tool $flags native-store \
+ "$remote" "$remote_nick" "$refs"
+ )
+ ) || exit
+
+}
+
+fetch_per_ref () {
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
- max_depth=5
- depth=0
- head="ref: $remote_name"
- while (expr "z$head" : "zref:" && expr $depth \< $max_depth) >/dev/null
- do
- remote_name_quoted=$(@@PERL@@ -e '
- my $u = $ARGV[0];
- $u =~ s/^ref:\s*//;
- $u =~ s{([^-a-zA-Z0-9/.])}{sprintf"%%%02x",ord($1)}eg;
- print "$u";
- ' "$head")
- head=$(curl -nsfL $curl_extra_args $noepsv_opt "$remote/$remote_name_quoted")
- depth=$( expr \( $depth + 1 \) )
- done
+
+ # Find $remote_name from ls-remote output.
+ head=$(
+ IFS=' '
+ echo "$ls_remote_result" |
+ while read sha1 name
+ do
+ test "z$name" = "z$remote_name" || continue
+ echo "$sha1"
+ break
+ done
+ )
expr "z$head" : "z$_x40\$" >/dev/null ||
- die "Failed to fetch $remote_name from $remote"
+ die "No such ref $remote_name at $remote"
echo >&2 "Fetching $remote_name from $remote using $proto"
- git-http-fetch -v -a "$head" "$remote/" || exit
+ git-http-fetch -v -a "$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" "$remote" \
- "$remote_name" "$remote_nick" "$local_name" "$not_for_merge"
+ "$remote_name" "$remote_nick" "$local_name" "$not_for_merge" || exit
done
- case "$remote" in
- http://* | https://* | ftp://* | rsync://* )
- ;; # we are already done.
- *)
- ( : subshell because we muck with IFS
- IFS=" $LF"
- (
- git-fetch-pack $exec $keep "$remote" $rref || echo failed "$remote"
- ) |
- while read sha1 remote_name
- do
- case "$sha1" in
- failed)
- echo >&2 "Fetch failure: $remote"
- exit 1 ;;
- 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"
- done
- ) || exit ;;
- esac
+}
+fetch_main () {
+ case "$remote" in
+ http://* | https://* | ftp://* | rsync://* )
+ fetch_per_ref "$@"
+ ;;
+ *)
+ fetch_all_at_once "$@"
+ ;;
+ esac
}
-fetch_main "$reflist"
+fetch_main "$reflist" || exit
# automated tag following
case "$no_tags$tags" in
*:refs/*)
# effective only when we are following remote branch
# using local tracking branch.
- taglist=$(IFS=" " &&
- git-ls-remote $upload_pack --tags "$remote" |
- sed -ne 's|^\([0-9a-f]*\)[ ]\(refs/tags/.*\)^{}$|\1 \2|p' |
+ taglist=$(IFS=' ' &&
+ echo "$ls_remote_result" |
+ git-show-ref --exclude-existing=refs/tags/ |
while read sha1 name
do
- git-show-ref --verify --quiet -- $name && continue
- git-check-ref-format "$name" || {
- echo >&2 "warning: tag ${name} ignored"
- continue
- }
git-cat-file -t "$sha1" >/dev/null 2>&1 || continue
echo >&2 "Auto-following $name"
echo ".${name}:${name}"
case "$taglist" in
'') ;;
?*)
- fetch_main "$taglist" ;;
+ # do not deepen a shallow tree when following tags
+ shallow_depth=
+ fetch_main "$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