X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=git-reset.sh;h=3133b5bd25ca7ad3c2a5451ee9c2e0f4514cd980;hb=ce4231ffa80da1888a668cc7c33f5349800ab4a3;hp=72ef303aedc69a1d9cdd946a91059638cb2e550a;hpb=36d277c72d90d32f99616072b64a2652248f5264;p=git.git

diff --git a/git-reset.sh b/git-reset.sh
index 72ef303ae..3133b5bd2 100755
--- a/git-reset.sh
+++ b/git-reset.sh
@@ -1,13 +1,9 @@
 #!/bin/sh
-. git-sh-setup
-
-usage () {
-	die 'Usage: git reset [--mixed | --soft | --hard]  [<commit-ish>]'
-}
 
-tmp=/var/tmp/reset.$$
-trap 'rm -f $tmp-*' 0 1 2 3 15
+USAGE='[--mixed | --soft | --hard]  [<commit-ish>]'
+. git-sh-setup
 
+update=
 reset_type=--mixed
 case "$1" in
 --mixed | --soft | --hard)
@@ -18,31 +14,18 @@ case "$1" in
         usage ;;
 esac
 
-rev=$(git-rev-parse --verify --default HEAD "$@") || exit
+case $# in
+0) rev=HEAD ;;
+1) rev=$(git-rev-parse --verify "$1") || exit ;;
+*) usage ;;
+esac
 rev=$(git-rev-parse --verify $rev^0) || exit
 
 # We need to remember the set of paths that _could_ be left
 # behind before a hard reset, so that we can remove them.
 if test "$reset_type" = "--hard"
 then
-	{
-		git-ls-files --stage -z
-		git-rev-parse --verify HEAD 2>/dev/null &&
-		git-ls-tree -r -z HEAD
-	} | perl -e '
-	    use strict;
-	    my %seen;
-	    $/ = "\0";
-	    while (<>) {
-		chomp;
-		my ($info, $path) = split(/\t/, $_);
-		next if ($info =~ / tree /);
-		if (!$seen{$path}) {
-			$seen{$path} = 1;
-			print "$path\0";
-		}
-	    }
-	' >$tmp-exists
+	update=-u
 fi
 
 # Soft reset does not touch the index file nor the working tree
@@ -56,7 +39,7 @@ then
 		die "Cannot do a soft reset in the middle of a merge."
 	fi
 else
-	git-read-tree --reset "$rev" || exit
+	git-read-tree --reset $update "$rev" || exit
 fi
 
 # Any resets update HEAD to the head being switched to.
@@ -66,34 +49,12 @@ then
 else
 	rm -f "$GIT_DIR/ORIG_HEAD"
 fi
-git-update-ref HEAD "$rev"
+git-update-ref -m "reset $reset_type $*" HEAD "$rev"
+update_ref_status=$?
 
 case "$reset_type" in
 --hard )
-	# Hard reset matches the working tree to that of the tree
-	# being switched to.
-	git-checkout-index -f -u -q -a
-	git-ls-files --cached -z |
-	perl -e '
-		use strict;
-		my (%keep, $fh);
-		$/ = "\0";
-		while (<STDIN>) {
-			chomp;
-			$keep{$_} = 1;
-		}
-		open $fh, "<", $ARGV[0]
-			or die "cannot open $ARGV[0]";
-		while (<$fh>) {
-			chomp;
-			if (! exists $keep{$_}) {
-				# it is ok if this fails -- it may already
-				# have been culled by checkout-index.
-				unlink $_;
-			}
-		}
-	' $tmp-exists
-	;;
+	;; # Nothing else to do
 --soft )
 	;; # Nothing else to do
 --mixed )
@@ -102,4 +63,6 @@ case "$reset_type" in
 	;;
 esac
 
-rm -f "$GIT_DIR/MERGE_HEAD"
+rm -f "$GIT_DIR/MERGE_HEAD" "$GIT_DIR/rr-cache/MERGE_RR" "$GIT_DIR/SQUASH_MSG"
+
+exit $update_ref_status