Merge branch 'js/rebase-exec-command-not-found'

* js/rebase-exec-command-not-found:
  rebase -i: fix misleading error message after 'exec no-such' instruction

git-rebase--interactive.sh

@@ -544,6 +544,10 @@ do_next () {
 			warn
 			warn "	git rebase --continue"
 			warn
+			if test $status -eq 127		# command not found
+			then
+				status=1
+			fi
 			exit "$status"
 		elif test "$dirty" = t
 		then

t/t3404-rebase-interactive.sh

@@ -118,6 +118,17 @@ test_expect_success 'rebase -i with the exec command checks tree cleanness' '
 	git rebase --continue
 '
 
+test_expect_success 'rebase -i with exec of inexistent command' '
+	git checkout master &&
+	test_when_finished "git rebase --abort" &&
+	(
+	FAKE_LINES="exec_this-command-does-not-exist 1" &&
+	export FAKE_LINES &&
+	test_must_fail git rebase -i HEAD^ >actual 2>&1
+	) &&
+	! grep "Maybe git-rebase is broken" actual
+'
+
 test_expect_success 'no changes are a nop' '
 	git checkout branch2 &&
 	git rebase -i F &&