git-apply: consider it an error to apply no changes

diff --git a/git-prune-script b/git-prune-script
index 9ba89a5b9d0d484aee54d0bdb6deabdc71962c85..ec9f72de793f88a82ea7b9780c76c4f665264d02 100755 (executable)
--- a/git-prune-script
+++ b/git-prune-script
@@ -11,26 +11,15 @@ do
     shift;
 done
 
-# Defaulting to include .git/refs/*/* may be debatable from the
-# purist POV but power users can always give explicit parameters
-# to the script anyway.
-
-case "$#" in
-0)
-    x_40='[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]'
-    x_40="$x_40$x_40$x_40$x_40$x_40$x_40$x_40$x_40"
-    set x $(sed -ne "/^$x_40\$/p" .git/HEAD .git/refs/*/* 2>/dev/null)
-    shift ;;
-esac
+: ${GIT_DIR=.git}
+: ${GIT_OBJECT_DIRECTORY="${SHA1_FILE_DIRECTORY-"$GIT_DIR/objects"}"}
 
 git-fsck-cache --cache --unreachable "$@" |
 sed -ne '/unreachable /{
     s/unreachable [^ ][^ ]* //
     s|\(..\)|\1/|p
 }' | {
-       case "$SHA1_FILE_DIRECTORY" in
-       '') cd .git/objects/ ;;
-       *) cd "$SHA1_FILE_DIRECTORY" ;;
-       esac || exit
+       cd "$GIT_OBJECT_DIRECTORY" || exit
        xargs -r $dryrun rm -f
 }
+