added bsd license header

main.go

@@ -44,7 +44,7 @@ Flags:
 
 var (
 	holder  = flag.String("c", "Google Inc.", "copyright holder")
-	license = flag.String("l", "apache", "license type: apache, mit")
+	license = flag.String("l", "apache", "license type: apache, bsd, mit")
 	year    = flag.Int("y", time.Now().Year(), "year")
 )
 

tmpl.go

@@ -25,6 +25,7 @@ var licenseTemplate = make(map[string]*template.Template)
 func init() {
 	licenseTemplate["apache"] = template.Must(template.New("").Parse(tmplApache))
 	licenseTemplate["mit"] = template.Must(template.New("").Parse(tmplMIT))
+	licenseTemplate["bsd"] = template.Must(template.New("").Parse(tmplBSD))
 }
 
 type copyrightData struct {
@@ -78,6 +79,10 @@ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.`
 
+const tmplBSD = `Copyright (c) {{.Year}} {{.Holder}} All rights reserved.
+Use of this source code is governed by a BSD-style
+license that can be found in the LICENSE file.`
+
 const tmplMIT = `Copyright (c) {{.Year}} {{.Holder}}
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of