deprecate 'make.go', go back to Makefile - make.go is not genversion.go

genversion.go

@@ -0,0 +1,94 @@
+// +build ignore
+
+/*
+ * Makefile alternative for Minio Cloud Storage, (C) 2015 Minio, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * 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.
+ */
+
+package main
+
+import (
+	"fmt"
+	"os"
+	"text/template"
+	"time"
+)
+
+type Version struct {
+	Date string
+	Tag  string
+}
+
+func writeVersion(version Version) error {
+	var versionTemplate = `// --------  DO NOT EDIT --------
+// this is an autogenerated file
+
+package main
+
+import (
+	"net/http"
+	"time"
+)
+
+// Version autogenerated
+var Version = {{if .Date}}"{{.Date}}"{{else}}""{{end}}
+
+// Tag is of following format
+//
+//   RELEASE.[WeekDay]-[Month]-[Day]-[Hour]-[Min]-[Sec]-GMT-[Year]
+//
+var Tag = {{if .Tag}}"{{.Tag}}"{{else}}""{{end}}
+
+// getVersion -
+func getVersion() string {
+	t, _ := time.Parse(time.RFC3339Nano, Version)
+	if t.IsZero() {
+		return ""
+	}
+	return t.Format(http.TimeFormat)
+}
+`
+	t := template.Must(template.New("version").Parse(versionTemplate))
+	versionFile, err := os.OpenFile("version.go", os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0600)
+	if err != nil {
+		return err
+	}
+	defer versionFile.Close()
+	err = t.Execute(versionFile, version)
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
+func main() {
+	t := time.Now().UTC()
+	date := t.Format(time.RFC3339Nano)
+	tag := fmt.Sprintf(
+		"RELEASE.%s-%s-%02d-%02d-%02d-%02d-GMT-%d",
+		t.Weekday().String()[0:3],
+		t.Month().String()[0:3],
+		t.Day(),
+		t.Hour(),
+		t.Minute(),
+		t.Second(),
+		t.Year(),
+	)
+	version := Version{Date: date, Tag: tag}
+	err := writeVersion(version)
+	if err != nil {
+		fmt.Print(err)
+		os.Exit(1)
+	}
+}