commit: factor out set_merge_remote_desc()

Export a helper function for allocating, populating and attaching a
merge_remote_desc to a commit.

Signed-off-by: Rene Scharfe <l.s.r@web.de>
Reviewed-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/commit.c b/commit.c
index dd955e3..fc3d6fb 100644 (file)
--- a/commit.c
+++ b/commit.c
@@ -1576,6 +1576,16 @@ int commit_tree_extended(const char *msg, size_t msg_len,
        return result;
 }
 
+void set_merge_remote_desc(struct commit *commit,
+                          const char *name, struct object *obj)
+{
+       struct merge_remote_desc *desc;
+       desc = xmalloc(sizeof(*desc));
+       desc->obj = obj;
+       desc->name = xstrdup(name);
+       commit->util = desc;
+}
+
 struct commit *get_merge_parent(const char *name)
 {
        struct object *obj;
@@ -1585,13 +1595,8 @@ struct commit *get_merge_parent(const char *name)
                return NULL;
        obj = parse_object(oid.hash);
        commit = (struct commit *)peel_to_type(name, 0, obj, OBJ_COMMIT);
-       if (commit && !commit->util) {
-               struct merge_remote_desc *desc;
-               desc = xmalloc(sizeof(*desc));
-               desc->obj = obj;
-               desc->name = xstrdup(name);
-               commit->util = desc;
-       }
+       if (commit && !commit->util)
+               set_merge_remote_desc(commit, name, obj);
        return commit;
 }
 

diff --git a/commit.h b/commit.h
index adf57d6..ed2a1f0 100644 (file)
--- a/commit.h
+++ b/commit.h
@@ -359,6 +359,8 @@ struct merge_remote_desc {
        const char *name;
 };
 #define merge_remote_util(commit) ((struct merge_remote_desc *)((commit)->util))
+extern void set_merge_remote_desc(struct commit *commit,
+                                 const char *name, struct object *obj);
 
 /*
  * Given "name" from the command line to merge, find the commit object