revert: accept arbitrary rev-list options

This can be useful to do something like:

git rev-list --reverse master -- README | git cherry-pick -n --stdin

without using xargs.

Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

Documentation/git-cherry-pick.txt

@@ -113,6 +113,13 @@ git cherry-pick --ff ..next::
 	are in next but not HEAD to the current branch, creating a new
 	commit for each new change.
 
+git rev-list --reverse master \-- README | git cherry-pick -n --stdin::
+
+	Apply the changes introduced by all commits on the master
+	branch that touched README to the working tree and index,
+	so the result can be inspected and made into a single new
+	commit if suitable.
+
 Author
 ------
 Written by Junio C Hamano <gitster@pobox.com>

builtin/revert.c

@@ -78,7 +78,8 @@ static void parse_args(int argc, const char **argv)
 			die("program error");
 	}
 
-	commit_argc = parse_options(argc, argv, NULL, options, usage_str, 0);
+	commit_argc = parse_options(argc, argv, NULL, options, usage_str,
+				    PARSE_OPT_KEEP_UNKNOWN);
 	if (commit_argc < 1)
 		usage_with_options(usage_str, options);
 

t/t3508-cherry-pick-many-commits.sh

@@ -92,4 +92,14 @@ test_expect_failure 'cherry-pick -3 fourth works' '
 	test "$(git rev-parse --verify HEAD)" != "$(git rev-parse --verify fourth)"
 '
 
+test_expect_success 'cherry-pick --stdin works' '
+	git checkout -f master &&
+	git reset --hard first &&
+	test_tick &&
+	git rev-list --reverse first..fourth | git cherry-pick --stdin &&
+	git diff --quiet other &&
+	git diff --quiet HEAD other &&
+	test "$(git rev-parse --verify HEAD)" != "$(git rev-parse --verify fourth)"
+'
+
 test_done