git-commit: use update-index --stdin, instead of xargs.

Now update-index supports '-z --stdin', we do not have to rely on
platform xargs to support -0 option.

Signed-off-by: Junio C Hamano <junkio@cox.net>

diff --git a/git-commit.sh b/git-commit.sh
index 9412840..18ad361 100755 (executable)
--- a/git-commit.sh
+++ b/git-commit.sh
@@ -94,13 +94,13 @@ esac
 case "$all,$#" in
 t,*)
        git-diff-files --name-only -z |
-       xargs -0 git-update-index -q --remove --
+       git-update-index --remove -z --stdin
        ;;
 ,0)
        ;;
 *)
        git-diff-files --name-only -z "$@" |
-       xargs -0 git-update-index -q --remove --
+       git-update-index --remove -z --stdin
        ;;
 esac || exit 1
 git-update-index -q --refresh || exit 1