Merge branch 'master' into 15803-unsetup

[arvados.git] / tools / keep-rsync / keep-rsync.go

diff --git a/tools/keep-rsync/keep-rsync.go b/tools/keep-rsync/keep-rsync.go
index b1513a02a7e30f3211b39bbf0a4335c8dd9cf8d9..303f71f8fe77e2cb69d6b313e3a7e822fb96d5f4 100644 (file)
--- a/tools/keep-rsync/keep-rsync.go
+++ b/tools/keep-rsync/keep-rsync.go
@@ -1,3 +1,7 @@
+// Copyright (C) The Arvados Authors. All rights reserved.
+//
+// SPDX-License-Identifier: AGPL-3.0
+
 package main
 
 import (
@@ -17,6 +21,8 @@ import (
        "git.curoverse.com/arvados.git/sdk/go/keepclient"
 )
 
+var version = "dev"
+
 func main() {
        err := doMain()
        if err != nil {
@@ -65,9 +71,20 @@ func doMain() error {
                0,
                "Lifetime of blob permission signatures on source keepservers. If not provided, this will be retrieved from the API server's discovery document.")
 
+       getVersion := flags.Bool(
+               "version",
+               false,
+               "Print version information and exit.")
+
        // Parse args; omit the first arg which is the command name
        flags.Parse(os.Args[1:])
 
+       // Print version information if requested
+       if *getVersion {
+               fmt.Printf("keep-rsync %s\n", version)
+               os.Exit(0)
+       }
+
        srcConfig, srcBlobSigningKey, err := loadConfig(*srcConfigFile)
        if err != nil {
                return fmt.Errorf("Error loading src configuration from file: %s", err.Error())