[PATCH] "git fetch --force".
Just like "git push" can forcibly update a ref to a value that is not
a fast-forward, teach "git fetch" to do so as well.
Signed-off-by: Junio C Hamano <junkio@cox.net>
diff --git a/git-fetch-script b/git-fetch-script
index a70909e..dc7f4d6 100755
--- a/git-fetch-script
+++ b/git-fetch-script
@@ -6,19 +6,32 @@
_x40="$_x40$_x40$_x40$_x40$_x40$_x40$_x40$_x40"
append=
+force=
+while case "$#" in 0) break ;; esac
+do
+ case "$1" in
+ -a|--a|--ap|--app|--appe|--appen|--append)
+ append=t
+ shift
+ ;;
+ -f|--f|--fo|--for|--forc|--force)
+ force=t
+ shift
+ ;;
+ *)
+ break
+ ;;
+ esac
+done
+
case "$#" in
0)
test -f "$GIT_DIR/branches/origin" ||
test -f "$GIT_DIR/remotes/origin" ||
die "Where do you want to fetch from?"
set origin ;;
-*)
- case "$1" in
- -a|--a|--ap|--app|--appe|--appen|--append)
- append=t
- shift ;;
- esac
esac
+
remote_nick="$1"
remote=$(get_remote_url "$@")
refs=
@@ -60,7 +73,16 @@
refs/tags/*)
# Tags need not be pointing at commits so there
# is no way to guarantee "fast-forward" anyway.
+ if test -f "$GIT_DIR/$1"
+ then
+ echo >&2 "* $1: updating with $4"
+ echo >&2 " from $3."
+ else
+ echo >&2 "* $1: storing $4"
+ echo >&2 " from $3."
+ fi
echo "$2" >"$GIT_DIR/$1" ;;
+
refs/heads/*)
# NEEDSWORK: use the same cmpxchg protocol here.
echo "$2" >"$GIT_DIR/$1.lock"
@@ -81,9 +103,16 @@
false
;;
esac || {
- mv "$GIT_DIR/$1.lock" "$GIT_DIR/$1.remote"
echo >&2 "* $1: does not fast forward to $4"
- echo >&2 " from $3; leaving it in '$1.remote'"
+ case "$force" in
+ t)
+ echo >&2 " from $3; forcing update."
+ ;;
+ *)
+ mv "$GIT_DIR/$1.lock" "$GIT_DIR/$1.remote"
+ echo >&2 " from $3; leaving it in '$1.remote'"
+ ;;
+ esac
}
else
echo >&2 "* $1: storing $4"
