fmt-merge-msg: add function to append shortlog only

diff --git a/builtin/merge.c b/builtin/merge.c
index 3aaec7bed76af9efdfe5647be0da64373db2011e..0ae480987ac4d97af437e27a9e4d6b8e4ecf4211 100644 (file)
--- a/builtin/merge.c
+++ b/builtin/merge.c
@@ -667,7 +667,7 @@ static int count_unmerged_entries(void)
        return ret;
 }
 
-static int checkout_fast_forward(unsigned char *head, unsigned char *remote)
+int checkout_fast_forward(const unsigned char *head, const unsigned char *remote)
 {
        struct tree *trees[MAX_UNPACK_TREES];
        struct unpack_trees_options opts;
@@ -973,7 +973,7 @@ int cmd_merge(int argc, const char **argv, const char *prefix)
                reset_hard(remote_head->sha1, 0);
                return 0;
        } else {
-               struct strbuf msg = STRBUF_INIT;
+               struct strbuf merge_names = STRBUF_INIT;
 
                /* We are invoked directly as the first-class UI. */
                head_arg = "HEAD";
@@ -981,15 +981,15 @@ int cmd_merge(int argc, const char **argv, const char *prefix)
                /*
                 * All the rest are the commits being merged;
                 * prepare the standard merge summary message to
-                * be appended to the given message.  If remote
+                * used as the merge message.  If remote
                 * is invalid we will die later in the common
                 * codepath so we discard the error in this
                 * loop.
                 */
                if (!have_message) {
                        for (i = 0; i < argc; i++)
-                               merge_name(argv[i], &msg);
-                       fmt_merge_msg(option_log, &msg, &merge_msg);
+                               merge_name(argv[i], &merge_names);
+                       fmt_merge_msg(option_log, &merge_names, &merge_msg);
                        if (merge_msg.len)
                                strbuf_setlen(&merge_msg, merge_msg.len-1);
                }