Migrate to modules, refactor Makefile and use Travis for CI
[govpp.git] / version / version.go
diff --git a/version/version.go b/version/version.go
new file mode 100644 (file)
index 0000000..5b24a6d
--- /dev/null
@@ -0,0 +1,61 @@
+//  Copyright (c) 2019 Cisco and/or its affiliates.
+//
+//  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 version
+
+import (
+       "fmt"
+       "runtime"
+       "strconv"
+       "time"
+)
+
+var (
+       name        = "govpp"
+       version     = "v0.0.0+unknown"
+       commitHash  = "unknown"
+       buildBranch = "HEAD"
+       buildStamp  = ""
+       buildUser   = ""
+       buildHost   = ""
+
+       buildDate time.Time
+)
+
+func init() {
+       buildstampInt64, _ := strconv.ParseInt(buildStamp, 10, 64)
+       if buildstampInt64 == 0 {
+               buildstampInt64 = time.Now().Unix()
+       }
+       buildDate = time.Unix(buildstampInt64, 0)
+}
+
+func Info() string {
+       return fmt.Sprintf(`%s %s`, name, version)
+}
+
+func Verbose() string {
+       return fmt.Sprintf(`%s
+  Version:      %s
+  Branch:      %s
+  Revision:    %s
+  Built by:    %s@%s 
+  Build date:  %s
+  Go runtime:  %s (%s/%s)`,
+               name,
+               version, buildBranch, commitHash,
+               buildUser, buildHost, buildDate.Format(time.UnixDate),
+               runtime.Version(), runtime.GOOS, runtime.GOARCH,
+       )
+}