01689909eb
Signed-off-by: Justin Lebar <jlebar@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
107 lines
2.2 KiB
Bash
Executable File
107 lines
2.2 KiB
Bash
Executable File
#!/bin/sh
|
|
#
|
|
# Copyright (c) 2005, 2006 Linus Torvalds and Junio C Hamano
|
|
#
|
|
USAGE='[--mixed | --soft | --hard] [<commit-ish>] [ [--] <paths>...]'
|
|
SUBDIRECTORY_OK=Yes
|
|
. git-sh-setup
|
|
set_reflog_action "reset $*"
|
|
require_work_tree
|
|
|
|
update= reset_type=--mixed
|
|
unset rev
|
|
|
|
while test $# != 0
|
|
do
|
|
case "$1" in
|
|
--mixed | --soft | --hard)
|
|
reset_type="$1"
|
|
;;
|
|
--)
|
|
break
|
|
;;
|
|
-*)
|
|
usage
|
|
;;
|
|
*)
|
|
rev=$(git rev-parse --verify "$1") || exit
|
|
shift
|
|
break
|
|
;;
|
|
esac
|
|
shift
|
|
done
|
|
|
|
: ${rev=HEAD}
|
|
rev=$(git rev-parse --verify $rev^0) || exit
|
|
|
|
# Skip -- in "git reset HEAD -- foo" and "git reset -- foo".
|
|
case "$1" in --) shift ;; esac
|
|
|
|
# git reset --mixed tree [--] paths... can be used to
|
|
# load chosen paths from the tree into the index without
|
|
# affecting the working tree or HEAD.
|
|
if test $# != 0
|
|
then
|
|
test "$reset_type" = "--mixed" ||
|
|
die "Cannot do partial $reset_type reset."
|
|
|
|
git diff-index --cached $rev -- "$@" |
|
|
sed -e 's/^:\([0-7][0-7]*\) [0-7][0-7]* \([0-9a-f][0-9a-f]*\) [0-9a-f][0-9a-f]* [A-Z] \(.*\)$/\1 \2 \3/' |
|
|
git update-index --add --remove --index-info || exit
|
|
git update-index --refresh
|
|
exit
|
|
fi
|
|
|
|
cd_to_toplevel
|
|
|
|
if test "$reset_type" = "--hard"
|
|
then
|
|
update=-u
|
|
fi
|
|
|
|
# Soft reset does not touch the index file or the working tree
|
|
# at all, but requires them in a good order. Other resets reset
|
|
# the index file to the tree object we are switching to.
|
|
if test "$reset_type" = "--soft"
|
|
then
|
|
if test -f "$GIT_DIR/MERGE_HEAD" ||
|
|
test "" != "$(git ls-files --unmerged)"
|
|
then
|
|
die "Cannot do a soft reset in the middle of a merge."
|
|
fi
|
|
else
|
|
git read-tree -v --reset $update "$rev" || exit
|
|
fi
|
|
|
|
# Any resets update HEAD to the head being switched to.
|
|
if orig=$(git rev-parse --verify HEAD 2>/dev/null)
|
|
then
|
|
echo "$orig" >"$GIT_DIR/ORIG_HEAD"
|
|
else
|
|
rm -f "$GIT_DIR/ORIG_HEAD"
|
|
fi
|
|
git update-ref -m "$GIT_REFLOG_ACTION" HEAD "$rev"
|
|
update_ref_status=$?
|
|
|
|
case "$reset_type" in
|
|
--hard )
|
|
test $update_ref_status = 0 && {
|
|
printf "HEAD is now at "
|
|
GIT_PAGER= git log --max-count=1 --pretty=oneline \
|
|
--abbrev-commit HEAD
|
|
}
|
|
;;
|
|
--soft )
|
|
;; # Nothing else to do
|
|
--mixed )
|
|
# Report what has not been updated.
|
|
git update-index --refresh
|
|
;;
|
|
esac
|
|
|
|
rm -f "$GIT_DIR/MERGE_HEAD" "$GIT_DIR/rr-cache/MERGE_RR" \
|
|
"$GIT_DIR/SQUASH_MSG" "$GIT_DIR/MERGE_MSG"
|
|
|
|
exit $update_ref_status
|