-#!/bin/sh
+# This shell script fragment is sourced by git-rebase to implement
+# its interactive mode. "git rebase --interactive" makes it easy
+# to fix up commits in the middle of a series and rearrange commits.
#
# Copyright (c) 2006 Johannes E. Schindelin
-
-# SHORT DESCRIPTION
-#
-# This script makes it easy to fix up commits in the middle of a series,
-# and rearrange commits.
#
# The original idea comes from Eric W. Biederman, in
# http://article.gmane.org/gmane.comp.version-control.git/22407
dropped="$state_dir"/dropped
+end="$state_dir"/end
+msgnum="$state_dir"/msgnum
+
# A script to set the GIT_AUTHOR_NAME, GIT_AUTHOR_EMAIL, and
# GIT_AUTHOR_DATE that will be used for the commit that is currently
# being rebased.
rewritten_list="$state_dir"/rewritten-list
rewritten_pending="$state_dir"/rewritten-pending
+strategy_args=
+if test -n "$do_merge"
+then
+ strategy_args=${strategy:+--strategy=$strategy}
+ eval '
+ for strategy_opt in '"$strategy_opts"'
+ do
+ strategy_args="$strategy_args -X$(git rev-parse --sq-quote "${strategy_opt#--}")"
+ done
+ '
+fi
+
GIT_CHERRY_PICK_HELP="$resolvemsg"
export GIT_CHERRY_PICK_HELP
sed -e 1d < "$todo" >> "$todo".new
mv -f "$todo".new "$todo"
new_count=$(git stripspace --strip-comments <"$done" | wc -l)
+ echo $new_count >"$msgnum"
total=$(($new_count + $(git stripspace --strip-comments <"$todo" | wc -l)))
+ echo $total >"$end"
if test "$last_count" != "$new_count"
then
last_count=$new_count
test -d "$rewritten" &&
pick_one_preserving_merges "$@" && return
- output git cherry-pick $empty_args $ff "$@"
+ output eval git cherry-pick "$strategy_args" $empty_args $ff "$@"
}
pick_one_preserving_merges () {
msg_content="$(commit_message $sha1)"
# No point in merging the first parent, that's HEAD
new_parents=${new_parents# $first_parent}
- if ! do_with_author output \
- git merge --no-ff ${strategy:+-s $strategy} -m \
- "$msg_content" $new_parents
+ merge_args="--no-log --no-ff"
+ if ! do_with_author output eval \
+ 'git merge $merge_args $strategy_args -m "$msg_content" $new_parents'
then
printf "%s\n" "$msg_content" > "$GIT_DIR"/MERGE_MSG
die_with_patch $sha1 "Error redoing merge $sha1"
echo "$sha1 $(git rev-parse HEAD^0)" >> "$rewritten_list"
;;
*)
- output git cherry-pick "$@" ||
+ output eval git cherry-pick "$strategy_args" "$@" ||
die_with_patch $sha1 "Could not pick $sha1"
;;
esac
"$GIT_DIR"/hooks/post-rewrite rebase < "$rewritten_list"
true # we don't care if this hook failed
fi &&
- rm -rf "$state_dir" &&
- git gc --auto &&
warn "Successfully rebased and updated $head_name."
- exit
+ return 1 # not failure; just to break the do_rest loop
}
+# can only return 0, when the infinite loop breaks
do_rest () {
while :
do
- do_next
+ do_next || break
done
}
;;
esac
;;
- 3,#*|3,)
+ 3,"$comment_char"*|3,)
# copy comments
;;
*)
die "Could not skip unnecessary pick commands"
}
+transform_todo_ids () {
+ while read -r command rest
+ do
+ case "$command" in
+ "$comment_char"* | exec)
+ # Be careful for oddball commands like 'exec'
+ # that do not have a SHA-1 at the beginning of $rest.
+ ;;
+ *)
+ sha1=$(git rev-parse --verify --quiet "$@" ${rest%% *}) &&
+ rest="$sha1 ${rest#* }"
+ ;;
+ esac
+ printf '%s\n' "$command${rest:+ }$rest"
+ done <"$todo" >"$todo.new" &&
+ mv -f "$todo.new" "$todo"
+}
+
+expand_todo_ids() {
+ transform_todo_ids
+}
+
+collapse_todo_ids() {
+ transform_todo_ids --short
+}
+
# Rearrange the todo list that has both "pick sha1 msg" and
# "pick sha1 fixup!/squash! msg" appears in it so that the latter
# comes immediately after the former, and change "pick" to
case "$message" in
"squash! "*|"fixup! "*)
action="${message%%!*}"
- rest="${message#*! }"
- echo "$sha1 $action $rest"
+ rest=$message
+ prefix=
+ # skip all squash! or fixup! (but save for later)
+ while :
+ do
+ case "$rest" in
+ "squash! "*|"fixup! "*)
+ prefix="$prefix${rest%%!*},"
+ rest="${rest#*! }"
+ ;;
+ *)
+ break
+ ;;
+ esac
+ done
+ echo "$sha1 $action $prefix $rest"
# if it's a single word, try to resolve to a full sha1 and
# emit a second copy. This allows us to match on both message
# and on sha1 prefix
if test -n "$fullsha"; then
# prefix the action to uniquely identify this line as
# intended for full sha1 match
- echo "$sha1 +$action $fullsha"
+ echo "$sha1 +$action $prefix $fullsha"
fi
fi
esac
esac
printf '%s\n' "$pick $sha1 $message"
used="$used$sha1 "
- while read -r squash action msg_content
+ while read -r squash action msg_prefix msg_content
do
case " $used" in
*" $squash "*) continue ;;
case "$message" in "$msg_content"*) emit=1;; esac ;;
esac
if test $emit = 1; then
- printf '%s\n' "$action $squash $action! $msg_content"
+ real_prefix=$(echo "$msg_prefix" | sed "s/,/! /g")
+ printf '%s\n' "$action $squash ${real_prefix}$msg_content"
used="$used$squash "
fi
done <"$1.sq"
require_clean_work_tree "rebase"
do_rest
+ return 0
;;
skip)
git rerere clear
do_rest
+ return 0
;;
edit-todo)
git stripspace --strip-comments <"$todo" >"$todo".new
mv -f "$todo".new "$todo"
+ collapse_todo_ids
append_todo_help
git stripspace --comment-lines >>"$todo" <<\EOF
git_sequence_editor "$todo" ||
die "Could not execute editor"
+ expand_todo_ids
exit
;;
if test ! -z "$switch_to"
then
+ GIT_REFLOG_ACTION="$GIT_REFLOG_ACTION: checkout $switch_to"
output git checkout "$switch_to" -- ||
- die "Could not checkout $switch_to"
+ die "Could not checkout $switch_to"
+
+ comment_for_reflog start
fi
orig_head=$(git rev-parse --verify HEAD) || die "No HEAD?"
-mkdir "$state_dir" || die "Could not create temporary $state_dir"
+mkdir -p "$state_dir" || die "Could not create temporary $state_dir"
: > "$state_dir"/interactive || die "Could not mark as interactive"
write_basic_state
has_action "$todo" ||
die_abort "Nothing to do"
+expand_todo_ids
+
test -d "$rewritten" || test -n "$force_rebase" || skip_unnecessary_picks
+GIT_REFLOG_ACTION="$GIT_REFLOG_ACTION: checkout $onto_name"
output git checkout $onto || die_abort "could not detach HEAD"
git update-ref ORIG_HEAD $orig_head
do_rest