[PATCH v4 4/5] merge: introduce per-branch-configuration helper function

[Jared Hance <jaredhance@gmail.com>]

Create a new function that will hold configuration code for configuration
values that are specified per branch, as suggested by Junio.

Signed-off-by: Jared Hance <jaredhance@gmail.com>
---
 builtin/merge.c |   12 ++++++++++++
 1 files changed, 12 insertions(+), 0 deletions(-)

diff --git a/builtin/merge.c b/builtin/merge.c
index cd23880..71b392d 100644
--- a/builtin/merge.c
+++ b/builtin/merge.c
@@ -522,8 +522,20 @@ static int per_branch_config(const char *k, const char *v, void *cb)
 		parse_options(argc, argv, NULL, builtin_merge_options,
 			      builtin_merge_usage, 0);
 		free(buf);
+
+		return 0;
 	}
 
+	return 1; /* not what I handle */
+}
+
+static int git_merge_config(const char *k, const char *v, void *cb)
+{
+	int status = per_branch_config(k, v, cb);
+
+	if (status <= 0)
+		return status;
+
 	if (!strcmp(k, "merge.diffstat") || !strcmp(k, "merge.stat"))
 		show_diffstat = git_config_bool(k, v);
 	else if (!strcmp(k, "pull.twohead"))
-- 
1.7.4