Merge tag 'v1.9.2' into HEADbaserock/ps/update-git

Git 1.9.2

1 files changed, 30 insertions, 1 deletions

diff --git a/git-rebase.sh b/git-rebase.sh
index 8d7659a22c..8a3efa2983 100755
--- a/git-rebase.sh
+++ b/git-rebase.sh
@@ -14,6 +14,7 @@ git-rebase --continue | --abort | --skip | --edit-todo
 v,verbose!         display a diffstat of what changed upstream
 q,quiet!           be quiet. implies --no-stat
 autostash!         automatically stash/stash pop before and after
+fork-point         use 'merge-base --fork-point' to refine upstream
 onto=!             rebase onto given branch instead of upstream
 p,preserve-merges! try to recreate merges instead of ignoring them
 s,strategy=!       use the given merge strategy
@@ -66,6 +67,7 @@ verbose=
 diffstat=
 test "$(git config --bool rebase.stat)" = true && diffstat=t
 autostash="$(git config --bool rebase.autostash || echo false)"
+fork_point=auto
 git_am_opt=
 rebase_root=
 force_rebase=
@@ -167,13 +169,22 @@ You can run "git stash pop" or "git stash drop" at any time.
 	rm -rf "$state_dir"
 }
 
-run_specific_rebase () {
+run_specific_rebase_internal () {
 	if [ "$interactive_rebase" = implied ]; then
 		GIT_EDITOR=:
 		export GIT_EDITOR
 		autosquash=
 	fi
+	# On FreeBSD, the shell's "return" returns from the current
+	# function, not from the current file inclusion.
+	# run_specific_rebase_internal has the file inclusion as a
+	# last statement, so POSIX and FreeBSD's return will do the
+	# same thing.
 	. git-rebase--$type
+}
+
+run_specific_rebase () {
+	run_specific_rebase_internal
 	ret=$?
 	if test $ret -eq 0
 	then
@@ -251,6 +262,12 @@ do
 	--no-autosquash)
 		autosquash=
 		;;
+	--fork-point)
+		fork_point=t
+		;;
+	--no-fork-point)
+		fork_point=
+		;;
 	-M|-m)
 		do_merge=t
 		;;
@@ -428,6 +445,8 @@ then
 			error_on_missing_default_upstream "rebase" "rebase" \
 				"against" "git rebase <branch>"
 		fi
+
+		test "$fork_point" = auto && fork_point=t
 		;;
 	*)	upstream_name="$1"
 		shift
@@ -513,6 +532,16 @@ case "$#" in
 	;;
 esac
 
+if test "$fork_point" = t
+then
+	new_upstream=$(git merge-base --fork-point "$upstream_name" \
+			"${switch_to:-HEAD}")
+	if test -n "$new_upstream"
+	then
+		upstream=$new_upstream
+	fi
+fi
+
 if test "$autostash" = true && ! (require_clean_work_tree) 2>/dev/null
 then
 	stash_sha1=$(git stash create "autostash") ||