create_ref_entry(): extract function from add_ref()

diff --git a/builtin/commit.c b/builtin/commit.c
index cf1447204fbec4979972130432b50107524eac39..e36e9adf87d76002784eb26107c25e5d91683229 100644 (file)
--- a/builtin/commit.c
+++ b/builtin/commit.c
@@ -1259,7 +1259,7 @@ static void print_summary(const char *prefix, const unsigned char *sha1,
        struct commit *commit;
        struct strbuf format = STRBUF_INIT;
        unsigned char junk_sha1[20];
-       const char *head = resolve_ref("HEAD", junk_sha1, 0, NULL);
+       const char *head;
        struct pretty_print_context pctx = {0};
        struct strbuf author_ident = STRBUF_INIT;
        struct strbuf committer_ident = STRBUF_INIT;
@@ -1304,6 +1304,7 @@ static void print_summary(const char *prefix, const unsigned char *sha1,
        rev.diffopt.break_opt = 0;
        diff_setup_done(&rev.diffopt);
 
+       head = resolve_ref("HEAD", junk_sha1, 0, NULL);
        printf("[%s%s ",
                !prefixcmp(head, "refs/heads/") ?
                        head + 11 :