[PATCH] rebase -i: Teach "--edit" action

[Andrew Wong <andrew.kw.w@gmail.com>]

This allows users to edit the todo list while they're in the middle of
an interactive rebase.

Signed-off-by: Andrew Wong <andrew.kw.w@gmail.com>
---
 git-rebase--interactive.sh |  6 ++++++
 git-rebase.sh              | 14 ++++++++++++++
 2 files changed, 20 insertions(+)

diff --git a/git-rebase--interactive.sh b/git-rebase--interactive.sh
index a09e842..e9dbcf3 100644
--- a/git-rebase--interactive.sh
+++ b/git-rebase--interactive.sh
@@ -775,6 +775,12 @@ skip)
 
 	do_rest
 	;;
+edit)
+  git_sequence_editor "$todo" ||
+    die_abort "Could not execute editor"
+
+  exit
+  ;;
 esac
 
 git var GIT_COMMITTER_IDENT >/dev/null ||
diff --git a/git-rebase.sh b/git-rebase.sh
index 15da926..c394b8d 100755
--- a/git-rebase.sh
+++ b/git-rebase.sh
@@ -38,6 +38,7 @@ C=!                passed to 'git apply'
 continue!          continue
 abort!             abort and check out the original branch
 skip!              skip current patch and continue
+edit!              edit the todo list during interactive rebase
 "
 . git-sh-setup
 . git-sh-i18n
@@ -194,6 +195,10 @@ do
 		test $total_argc -eq 2 || usage
 		action=${1##--}
 		;;
+	--edit)
+		test $total_argc -eq 2 || usage
+		action=${1##--}
+		;;
 	--onto)
 		test 2 -le "$#" || usage
 		onto="$2"
@@ -306,6 +311,12 @@ then
 	fi
 fi
 
+if test "$action" = "edit" &&
+  test "$type" != "interactive"
+then
+  die "$(gettext "The --edit action can only be used during interactive rebase.")"
+fi
+
 case "$action" in
 continue)
 	# Sanity check
@@ -338,6 +349,9 @@ abort)
 	rm -r "$state_dir"
 	exit
 	;;
+edit)
+	run_specific_rebase
+  ;;
 esac
 
 # Make sure no rebase is in progress
-- 
1.7.12.289.g0ce9864.dirty