#!/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
+update=
reset_type=--mixed
case "$1" in
--mixed | --soft | --hard)
reset_type="$1"
shift
;;
+-*)
+ usage ;;
esac
rev=$(git-rev-parse --verify --default HEAD "$@") || exit
# behind before a hard reset, so that we can remove them.
if test "$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
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.
else
rm -f "$GIT_DIR/ORIG_HEAD"
fi
-echo "$rev" >"$GIT_DIR/HEAD"
+git-update-ref HEAD "$rev"
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 $keep{$_}) {
- print "$_\0";
- }
- }
- ' $tmp-exists | xargs -0 rm -f --
- ;;
+ ;; # Nothing else to do
--soft )
;; # Nothing else to do
--mixed )
;;
esac
-rm -f "$GIT_DIR/MERGE_HEAD"
+rm -f "$GIT_DIR/MERGE_HEAD" "$GIT_DIR/rr-cache/MERGE_RR"