# Copyright (c) 2005 Linus Torvalds
# Copyright (c) 2005 Junio C Hamano
#
-. git-sh-setup || die "Not a git archive"
case "$0" in
*-revert* )
- me=revert ;;
+ test -t 0 && edit=-e
+ replay=
+ me=revert
+ USAGE='[--edit | --no-edit] [-n] <commit-ish>' ;;
*-cherry-pick* )
- me=cherry-pick ;;
+ replay=t
+ edit=
+ me=cherry-pick
+ USAGE='[--edit] [-n] [-r] [-x] <commit-ish>' ;;
* )
- die "What are ou talking about?" ;;
+ echo >&2 "What are you talking about?"
+ exit 1 ;;
esac
-usage () {
- case "$me" in
- cherry-pick)
- die "usage git $me [-n] [-r] <commit-ish>"
- ;;
- revert)
- die "usage git $me [-n] <commit-ish>"
- ;;
- esac
-}
+SUBDIRECTORY_OK=Yes ;# we will cd up
+. git-sh-setup
+require_work_tree
+cd_to_toplevel
-no_commit= replay=
+no_commit=
while case "$#" in 0) break ;; esac
do
case "$1" in
--no-commi|--no-commit)
no_commit=t
;;
- -r|--r|--re|--rep|--repl|--repla|--replay)
- replay=t
+ -e|--e|--ed|--edi|--edit)
+ edit=-e
+ ;;
+ --n|--no|--no-|--no-e|--no-ed|--no-edi|--no-edit)
+ edit=
+ ;;
+ -r)
+ : no-op ;;
+ -x|--i-really-want-to-expose-my-private-commit-object-name)
+ replay=
;;
-*)
usage
shift
done
+set_reflog_action "$me"
+
test "$me,$replay" = "revert,t" && usage
case "$no_commit" in
git-rev-parse --verify "$commit^2" >/dev/null 2>&1 &&
die "Cannot run $me a multi-parent commit."
+encoding=$(git config i18n.commitencoding || echo UTF-8)
+
# "commit" is an existing commit. We would want to apply
# the difference it introduces since its first parent "prev"
# on top of the current HEAD if we are cherry-pick. Or the
case "$me" in
revert)
- git-rev-list --pretty=oneline --max-count=1 $commit |
+ git show -s --pretty=oneline --encoding="$encoding" $commit |
sed -e '
s/^[^ ]* /Revert "/
- s/$/"/'
+ s/$/"/
+ '
echo
- echo "This reverts $commit commit."
+ echo "This reverts commit $commit."
test "$rev" = "$commit" ||
echo "(original 'git revert' arguments: $@)"
base=$commit next=$prev
cherry-pick)
pick_author_script='
/^author /{
+ s/'\''/'\''\\'\'\''/g
h
s/^author \([^<]*\) <[^>]*> .*$/\1/
s/'\''/'\''\'\'\''/g
q
}'
- set_author_env=`git-cat-file commit "$commit" |
- sed -ne "$pick_author_script"`
+
+ logmsg=`git show -s --pretty=raw --encoding="$encoding" "$commit"`
+ set_author_env=`echo "$logmsg" |
+ LANG=C LC_ALL=C sed -ne "$pick_author_script"`
eval "$set_author_env"
export GIT_AUTHOR_NAME
export GIT_AUTHOR_EMAIL
export GIT_AUTHOR_DATE
- git-cat-file commit $commit | sed -e '1,/^$/d'
+ echo "$logmsg" |
+ sed -e '1,/^$/d' -e 's/^ //'
case "$replay" in
'')
- echo "(cherry picked from $commit commit)"
+ echo "(cherry picked from commit $commit)"
test "$rev" = "$commit" ||
echo "(original 'git cherry-pick' arguments: $@)"
;;
esac >.msg
+eval GITHEAD_$head=HEAD
+eval GITHEAD_$next='`git show -s \
+ --pretty=oneline --encoding="$encoding" "$commit" |
+ sed -e "s/^[^ ]* //"`'
+export GITHEAD_$head GITHEAD_$next
+
# This three way merge is an interesting one. We are at
# $head, and would want to apply the change between $commit
# and $prev on top of us (when reverting), or the change between
# $prev and $commit on top of us (when cherry-picking or replaying).
-echo >&2 "First trying simple merge strategy to $me."
-git-read-tree -m -u $base $head $next &&
+git-merge-recursive $base -- $head $next &&
result=$(git-write-tree 2>/dev/null) || {
- echo >&2 "Simple $me fails; trying Automatic $me."
- git-merge-index -o git-merge-one-file -a || {
- echo >&2 "Automatic $me failed. After fixing it up,"
- echo >&2 "you can use \"git commit -F .msg\""
- case "$me" in
- cherry-pick)
+ mv -f .msg "$GIT_DIR/MERGE_MSG"
+ {
+ echo '
+Conflicts:
+'
+ git ls-files --unmerged |
+ sed -e 's/^[^ ]* / /' |
+ uniq
+ } >>"$GIT_DIR/MERGE_MSG"
+ echo >&2 "Automatic $me failed. After resolving the conflicts,"
+ echo >&2 "mark the corrected paths with 'git-add <paths>'"
+ echo >&2 "and commit the result."
+ case "$me" in
+ cherry-pick)
echo >&2 "You may choose to use the following when making"
echo >&2 "the commit:"
echo >&2 "$set_author_env"
- esac
- exit 1
- }
- result=$(git-write-tree) || exit
+ esac
+ exit 1
}
echo >&2 "Finished one $me."
case "$no_commit" in
'')
- git-commit -n -F .msg
+ git-commit -n -F .msg $edit
rm -f .msg
;;
esac