describe: Break annotated tag ties by tagger date

diff --git a/sha1_name.c b/sha1_name.c
index 904bcd96a54a1cc33386a56a16d07dce34cbb90b..7013c53ca6f083b6887f2d8567c72c5a63054c1c 100644 (file)
--- a/sha1_name.c
+++ b/sha1_name.c
@@ -278,8 +278,7 @@ int dwim_ref(const char *str, int len, unsigned char *sha1, char **ref)
                                *ref = xstrdup(r);
                        if (!warn_ambiguous_refs)
                                break;
-               } else if ((flag & REF_ISSYMREF) &&
-                          (len != 4 || strcmp(str, "HEAD")))
+               } else if ((flag & REF_ISSYMREF) && strcmp(fullref, "HEAD"))
                        warning("ignoring dangling symref %s.", fullref);
        }
        free(last_branch);
@@ -395,9 +394,12 @@ static int get_sha1_basic(const char *str, int len, unsigned char *sha1)
                } else if (0 <= nth)
                        at_time = 0;
                else {
+                       int errors = 0;
                        char *tmp = xstrndup(str + at + 2, reflog_len);
-                       at_time = approxidate(tmp);
+                       at_time = approxidate_careful(tmp, &errors);
                        free(tmp);
+                       if (errors)
+                               return -1;
                }
                if (read_ref_at(real_ref, at_time, nth, sha1, NULL,
                                &co_time, &co_tz, &co_cnt)) {
@@ -777,8 +779,6 @@ int interpret_branch_name(const char *name, struct strbuf *buf)
        for_each_recent_reflog_ent("HEAD", grab_nth_branch_switch, 40960, &cb);
        if (cb.cnt < nth) {
                cb.cnt = 0;
-               for (i = 0; i < nth; i++)
-                       strbuf_release(&cb.buf[i]);
                for_each_reflog_ent("HEAD", grab_nth_branch_switch, &cb);
        }
        if (cb.cnt < nth)