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-rwxr-xr-xgit-fetch.sh63
1 files changed, 40 insertions, 23 deletions
diff --git a/git-fetch.sh b/git-fetch.sh
index a674c8c..7442dd2 100755
--- a/git-fetch.sh
+++ b/git-fetch.sh
@@ -20,7 +20,7 @@ verbose=
update_head_ok=
exec=
upload_pack=
-keep=--thin
+keep=
while case "$#" in 0) break ;; esac
do
case "$1" in
@@ -51,7 +51,7 @@ do
verbose=Yes
;;
-k|--k|--ke|--kee|--keep)
- keep=--keep
+ keep='-k -k'
;;
--reflog-action=*)
rloga=`expr "z$1" : 'z-[^=]*=\(.*\)'`
@@ -129,38 +129,44 @@ append_fetch_head () {
then
headc_=$(git-rev-parse --verify "$head_^0") || exit
echo "$headc_ $not_for_merge_ $note_" >>"$GIT_DIR/FETCH_HEAD"
- [ "$verbose" ] && echo >&2 "* committish: $head_"
- [ "$verbose" ] && echo >&2 " $note_"
else
echo "$head_ not-for-merge $note_" >>"$GIT_DIR/FETCH_HEAD"
- [ "$verbose" ] && echo >&2 "* non-commit: $head_"
- [ "$verbose" ] && echo >&2 " $note_"
- fi
- if test "$local_name_" != ""
- then
- # We are storing the head locally. Make sure that it is
- # a fast forward (aka "reverse push").
- fast_forward_local "$local_name_" "$head_" "$note_"
fi
+
+ update_local_ref "$local_name_" "$head_" "$note_"
}
-fast_forward_local () {
- mkdir -p "$(dirname "$GIT_DIR/$1")"
+update_local_ref () {
+ # If we are storing the head locally make sure that it is
+ # a fast forward (aka "reverse push").
+
+ label_=$(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 "$1" in
refs/tags/*)
# Tags need not be pointing at commits so there
# is no way to guarantee "fast-forward" anyway.
- if test -f "$GIT_DIR/$1"
+ if test -n "$oldshort_"
then
- if now_=$(cat "$GIT_DIR/$1") && test "$now_" = "$2"
+ if now_=$(git show-ref --hash "$1") && test "$now_" = "$2"
then
- [ "$verbose" ] && echo >&2 "* $1: same as $3" ||:
+ [ "$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" "$2"
fi
;;
@@ -178,31 +184,34 @@ fast_forward_local () {
if test -n "$verbose"
then
echo >&2 "* $1: same as $3"
+ echo >&2 " $label_: $newshort_"
fi
;;
*,$local)
echo >&2 "* $1: fast forward to $3"
- echo >&2 " from $local to $2"
+ echo >&2 " old..new: $oldshort_..$newshort_"
git-update-ref -m "$rloga: fast-forward" "$1" "$2" "$local"
;;
*)
false
;;
esac || {
- echo >&2 "* $1: does not fast forward to $3;"
case ",$force,$single_force," in
*,t,*)
- echo >&2 " forcing update."
+ 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 " not updating."
+ 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
;;
@@ -359,9 +368,10 @@ fetch_main () {
;; # we are already done.
*)
( : subshell because we muck with IFS
+ pack_lockfile=
IFS=" $LF"
(
- git-fetch-pack $exec $keep "$remote" $rref || echo failed "$remote"
+ git-fetch-pack --thin $exec $keep "$remote" $rref || echo failed "$remote"
) |
while read sha1 remote_name
do
@@ -369,6 +379,12 @@ fetch_main () {
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-$remote_name.keep"
+ continue ;;
esac
found=
single_force=
@@ -399,6 +415,7 @@ fetch_main () {
append_fetch_head "$sha1" "$remote" \
"$remote_name" "$remote_nick" "$local_name" "$not_for_merge"
done
+ if [ "$pack_lockfile" ]; then rm -f "$pack_lockfile"; fi
) || exit ;;
esac
@@ -418,7 +435,7 @@ case "$no_tags$tags" in
sed -ne 's|^\([0-9a-f]*\)[ ]\(refs/tags/.*\)^{}$|\1 \2|p' |
while read sha1 name
do
- test -f "$GIT_DIR/$name" && continue
+ git-show-ref --verify --quiet -- $name && continue
git-check-ref-format "$name" || {
echo >&2 "warning: tag ${name} ignored"
continue