3 # Copyright (c) 2005, 2006 Linus Torvalds and Junio C Hamano
5 USAGE='[--mixed | --soft | --hard] [<commit-ish>] [ [--] <paths>...]'
8 set_reflog_action "reset $*"
10 update= reset_type=--mixed
13 while case $# in 0) break ;; esac
16 --mixed | --soft | --hard)
26 rev=$(git-rev-parse --verify "$1") || exit
35 rev=$(git-rev-parse --verify $rev^0) || exit
37 # Skip -- in "git reset HEAD -- foo" and "git reset -- foo".
38 case "$1" in --) shift ;; esac
40 # git reset --mixed tree [--] paths... can be used to
41 # load chosen paths from the tree into the index without
42 # affecting the working tree nor HEAD.
45 test "$reset_type" == "--mixed" ||
46 die "Cannot do partial $reset_type reset."
48 git-diff-index --cached $rev -- "$@" |
49 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] \(.*\)$/\1 \2 \3/' |
50 git update-index --add --remove --index-info || exit
51 git update-index --refresh
55 TOP=$(git-rev-parse --show-cdup)
61 if test "$reset_type" = "--hard"
66 # Soft reset does not touch the index file nor the working tree
67 # at all, but requires them in a good order. Other resets reset
68 # the index file to the tree object we are switching to.
69 if test "$reset_type" = "--soft"
71 if test -f "$GIT_DIR/MERGE_HEAD" ||
72 test "" != "$(git-ls-files --unmerged)"
74 die "Cannot do a soft reset in the middle of a merge."
77 git-read-tree --reset $update "$rev" || exit
80 # Any resets update HEAD to the head being switched to.
81 if orig=$(git-rev-parse --verify HEAD 2>/dev/null)
83 echo "$orig" >"$GIT_DIR/ORIG_HEAD"
85 rm -f "$GIT_DIR/ORIG_HEAD"
87 git-update-ref -m "$GIT_REFLOG_ACTION" HEAD "$rev"
92 test $update_ref_status = 0 && {
93 echo -n "HEAD is now at "
94 GIT_PAGER= git log --max-count=1 --pretty=oneline \
99 ;; # Nothing else to do
101 # Report what has not been updated.
102 git-update-index --refresh
106 rm -f "$GIT_DIR/MERGE_HEAD" "$GIT_DIR/rr-cache/MERGE_RR" \
107 "$GIT_DIR/SQUASH_MSG" "$GIT_DIR/MERGE_MSG"
109 exit $update_ref_status