might show branch age?

gitTag.byAge.go

@@ -104,3 +104,34 @@ func (repo *Repo) NewestAgeVerbose() time.Duration {
 
 	return time.Since(newest)
 }
+
+// not really accurate. temprorary until git Config() parsing is better
+func (repo *Repo) BranchAge(branch string) time.Duration {
+	alltags := repo.Tags.selectAllGitTags()
+
+	var newest time.Time
+	var cur time.Time
+	var auth time.Time
+
+	for _, tag := range alltags {
+		cur = tag.Creatordate.AsTime()
+		auth = tag.Authordate.AsTime()
+		if branch == filepath.Base(tag.Refname) {
+			// log.Info("\t\tfound tag", i, branch, tag.Authordate.AsTime(), tag.Creatordate.AsTime())
+			if cur.Before(auth) {
+				return time.Since(auth)
+			}
+			return time.Since(cur)
+		}
+
+		// check both dates I guess
+		if newest.Before(auth) {
+			newest = auth
+		}
+		if newest.Before(cur) {
+			newest = cur
+		}
+	}
+
+	return time.Since(newest)
+}