X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=git-rebase--interactive.sh;h=e9cd6fd999695daa1c5ba49835f53041d4131f3a;hb=f2dc849e9c5fe363ad089f6c3f2b7b3d79fd6a6f;hp=8568a4fd421d7e60512f0dfc37392bded07419b1;hpb=34c6dbdef439f7cd93d3fe22493a3c1496ce96f7;p=git.git

diff --git a/git-rebase--interactive.sh b/git-rebase--interactive.sh
index 8568a4fd4..e9cd6fd99 100755
--- a/git-rebase--interactive.sh
+++ b/git-rebase--interactive.sh
@@ -13,6 +13,7 @@
 USAGE='(--continue | --abort | --skip | [--preserve-merges] [--verbose]
 	[--onto <branch>] <upstream> [<branch>])'
 
+OPTIONS_SPEC=
 . git-sh-setup
 require_work_tree
 
@@ -52,7 +53,7 @@ require_clean_work_tree () {
 	git rev-parse --verify HEAD > /dev/null &&
 	git update-index --refresh &&
 	git diff-files --quiet &&
-	git diff-index --cached --quiet HEAD ||
+	git diff-index --cached --quiet HEAD -- ||
 	die "Working tree is dirty"
 }
 
@@ -80,7 +81,7 @@ mark_action_done () {
 make_patch () {
 	parent_sha1=$(git rev-parse --verify "$1"^) ||
 		die "Cannot get patch for $1^"
-	git diff "$parent_sha1".."$1" > "$DOTEST"/patch
+	git diff-tree -p "$parent_sha1".."$1" > "$DOTEST"/patch
 	test -f "$DOTEST"/message ||
 		git cat-file commit "$1" | sed "1,/^$/d" > "$DOTEST"/message
 	test -f "$DOTEST"/author-script ||
@@ -110,13 +111,13 @@ pick_one () {
 	parent_sha1=$(git rev-parse --verify $sha1^) ||
 		die "Could not get the parent of $sha1"
 	current_sha1=$(git rev-parse --verify HEAD)
-	if test $no_ff$current_sha1 = $parent_sha1; then
+	if test "$no_ff$current_sha1" = "$parent_sha1"; then
 		output git reset --hard $sha1
 		test "a$1" = a-n && output git reset --soft $current_sha1
 		sha1=$(git rev-parse --short $sha1)
 		output warn Fast forward to $sha1
 	else
-		output git cherry-pick $STRATEGY "$@"
+		output git cherry-pick "$@"
 	fi
 }
 
@@ -172,6 +173,8 @@ pick_one_preserving_merges () {
 			author_script=$(get_author_ident_from_commit $sha1)
 			eval "$author_script"
 			msg="$(git cat-file commit $sha1 | sed -e '1,/^$/d')"
+			# No point in merging the first parent, that's HEAD
+			new_parents=${new_parents# $first_parent}
 			# NEEDSWORK: give rerere a chance
 			if ! GIT_AUTHOR_NAME="$GIT_AUTHOR_NAME" \
 				GIT_AUTHOR_EMAIL="$GIT_AUTHOR_EMAIL" \
@@ -184,7 +187,7 @@ pick_one_preserving_merges () {
 			fi
 			;;
 		*)
-			output git cherry-pick $STRATEGY "$@" ||
+			output git cherry-pick "$@" ||
 				die_with_patch $sha1 "Could not pick $sha1"
 			;;
 		esac
@@ -317,13 +320,18 @@ do_next () {
 	else
 		NEWHEAD=$(git rev-parse HEAD)
 	fi &&
-	message="$GIT_REFLOG_ACTION: $HEADNAME onto $SHORTONTO)" &&
-	git update-ref -m "$message" $HEADNAME $NEWHEAD $OLDHEAD &&
-	git symbolic-ref HEAD $HEADNAME && {
+	case $HEADNAME in
+	refs/*)
+		message="$GIT_REFLOG_ACTION: $HEADNAME onto $SHORTONTO)" &&
+		git update-ref -m "$message" $HEADNAME $NEWHEAD $OLDHEAD &&
+		git symbolic-ref HEAD $HEADNAME
+		;;
+	esac && {
 		test ! -f "$DOTEST"/verbose ||
-			git diff --stat $(cat "$DOTEST"/head)..HEAD
+			git diff-tree --stat $(cat "$DOTEST"/head)..HEAD
 	} &&
 	rm -rf "$DOTEST" &&
+	git gc --auto &&
 	warn "Successfully rebased and updated $HEADNAME."
 
 	exit
@@ -348,7 +356,7 @@ do
 		git rev-parse --verify HEAD > /dev/null &&
 		git update-index --refresh &&
 		git diff-files --quiet &&
-		! git diff-index --cached --quiet HEAD &&
+		! git diff-index --cached --quiet HEAD -- &&
 		. "$DOTEST"/author-script && {
 			test ! -f "$DOTEST"/amend || git reset --soft HEAD^
 		} &&
@@ -365,7 +373,11 @@ do
 
 		HEADNAME=$(cat "$DOTEST"/head-name)
 		HEAD=$(cat "$DOTEST"/head)
-		git symbolic-ref HEAD $HEADNAME &&
+		case $HEADNAME in
+		refs/*)
+			git symbolic-ref HEAD $HEADNAME
+			;;
+		esac &&
 		output git reset --hard $HEAD &&
 		rm -rf "$DOTEST"
 		exit
@@ -378,10 +390,9 @@ do
 		output git reset --hard && do_rest
 		;;
 	-s|--strategy)
-		shift
 		case "$#,$1" in
 		*,*=*)
-			STRATEGY="-s `expr "z$1" : 'z-[^=]*=\(.*\)'`" ;;
+			STRATEGY="-s "$(expr "z$1" : 'z-[^=]*=\(.*\)') ;;
 		1,*)
 			usage ;;
 		*)
@@ -443,8 +454,8 @@ do
 		test -z "$ONTO" && ONTO=$UPSTREAM
 
 		: > "$DOTEST"/interactive || die "Could not mark as interactive"
-		git symbolic-ref HEAD > "$DOTEST"/head-name ||
-			die "Could not get HEAD"
+		git symbolic-ref HEAD > "$DOTEST"/head-name 2> /dev/null ||
+			echo "detached HEAD" > "$DOTEST"/head-name
 
 		echo $HEAD > "$DOTEST"/head
 		echo $UPSTREAM > "$DOTEST"/upstream
@@ -474,8 +485,13 @@ do
 		SHORTUPSTREAM=$(git rev-parse --short $UPSTREAM)
 		SHORTHEAD=$(git rev-parse --short $HEAD)
 		SHORTONTO=$(git rev-parse --short $ONTO)
-		cat > "$TODO" << EOF
-# Rebasing $SHORTUPSTREAM..$SHORTHEAD onto $SHORTONTO
+		git rev-list $MERGES_OPTION --pretty=oneline --abbrev-commit \
+			--abbrev=7 --reverse --left-right --cherry-pick \
+			$UPSTREAM...$HEAD | \
+			sed -n "s/^>/pick /p" > "$TODO"
+		cat >> "$TODO" << EOF
+
+# Rebase $SHORTUPSTREAM..$SHORTHEAD onto $SHORTONTO
 #
 # Commands:
 #  pick = use commit
@@ -483,12 +499,9 @@ do
 #  squash = use commit, but meld into previous commit
 #
 # If you remove a line here THAT COMMIT WILL BE LOST.
+# However, if you remove everything, the rebase will be aborted.
 #
 EOF
-		git rev-list $MERGES_OPTION --pretty=oneline --abbrev-commit \
-			--abbrev=7 --reverse --left-right --cherry-pick \
-			$UPSTREAM...$HEAD | \
-			sed -n "s/^>/pick /p" >> "$TODO"
 
 		has_action "$TODO" ||
 			die_abort "Nothing to do"