From e84fb2ff75f861a708ea5a914883e178a845f4ef Mon Sep 17 00:00:00 2001
From: Junio C Hamano <gitster@pobox.com>
Date: Tue, 8 Jul 2008 17:31:51 -0700
Subject: branch --contains: default to HEAD

We used to require the name of the commit to limit the branches shown to
the --contains option, but more recent --merged/--no-meregd defaults to
HEAD (and they do not allow arbitrary commit, which is a separate issue).

This teaches --contains to default to HEAD when no parameter is given.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
---
 builtin-branch.c | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/builtin-branch.c b/builtin-branch.c
index d279702ba9..50cbc9c81a 100644
--- a/builtin-branch.c
+++ b/builtin-branch.c
@@ -438,13 +438,17 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
 		OPT_BOOLEAN( 0 , "color",  &branch_use_color, "use colored output"),
 		OPT_SET_INT('r', NULL,     &kinds, "act on remote-tracking branches",
 			REF_REMOTE_BRANCH),
-		OPT_CALLBACK(0, "contains", &with_commit, "commit",
-			     "print only branches that contain the commit",
-			     opt_parse_with_commit),
+		{
+			OPTION_CALLBACK, 0, "contains", &with_commit, "commit",
+			"print only branches that contain the commit",
+			PARSE_OPT_LASTARG_DEFAULT,
+			opt_parse_with_commit, (intptr_t)"HEAD",
+		},
 		{
 			OPTION_CALLBACK, 0, "with", &with_commit, "commit",
 			"print only branches that contain the commit",
-			PARSE_OPT_HIDDEN, opt_parse_with_commit,
+			PARSE_OPT_HIDDEN | PARSE_OPT_LASTARG_DEFAULT,
+			opt_parse_with_commit, (intptr_t) "HEAD",
 		},
 		OPT__ABBREV(&abbrev),
 
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