index: make the index file format extensible.

diff --git a/git-reset.sh b/git-reset.sh
index dfa9cb8bb17f6f8694d0c639fe8b1663f9ec3c8f..6cb073cb16f8b8d8b923bd0cd77be00da0e169e3 100755 (executable)
--- a/git-reset.sh
+++ b/git-reset.sh
@@ -1,7 +1,9 @@
 #!/bin/sh
-. git-sh-setup || die "Not a git archive"
 
-tmp=/var/tmp/reset.$$
+USAGE='[--mixed | --soft | --hard]  [<commit-ish>]'
+. git-sh-setup
+
+tmp=${GIT_DIR}/reset.$$
 trap 'rm -f $tmp-*' 0 1 2 3 15
 
 reset_type=--mixed
@@ -10,6 +12,8 @@ case "$1" in
        reset_type="$1"
        shift
        ;;
+-*)
+        usage ;;
 esac
 
 rev=$(git-rev-parse --verify --default HEAD "$@") || exit
@@ -60,7 +64,7 @@ then
 else
        rm -f "$GIT_DIR/ORIG_HEAD"
 fi
-echo "$rev" >"$GIT_DIR/HEAD"
+git-update-ref HEAD "$rev"
 
 case "$reset_type" in
 --hard )
@@ -84,6 +88,9 @@ case "$reset_type" in
                                # it is ok if this fails -- it may already
                                # have been culled by checkout-index.
                                unlink $_;
+                               while (s|/[^/]*$||) {
+                                       rmdir($_) or last;
+                               }
                        }
                }
        ' $tmp-exists
@@ -96,4 +103,4 @@ case "$reset_type" in
        ;;
 esac
 
-rm -f "$GIT_DIR/MERGE_HEAD"
+rm -f "$GIT_DIR/MERGE_HEAD" "$GIT_DIR/rr-cache/MERGE_RR"