[lxc-devel] [distrobuilder/master] Add version

[monstermunchkin on Github]

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From 5e911f01bfb934a348863576503d9f7c61e68408 Mon Sep 17 00:00:00 2001
From: Thomas Hipp <thomas.hipp at canonical.com>
Date: Mon, 14 Oct 2019 11:08:22 +0200
Subject: [PATCH] Add version

Signed-off-by: Thomas Hipp <thomas.hipp at canonical.com>
---
 distrobuilder/main.go     | 7 +++++++
 shared/version/version.go | 4 ++++
 2 files changed, 11 insertions(+)
 create mode 100644 shared/version/version.go

diff --git a/distrobuilder/main.go b/distrobuilder/main.go
index 3594339..0142f58 100644
--- a/distrobuilder/main.go
+++ b/distrobuilder/main.go
@@ -68,6 +68,7 @@ import (
 	"gopkg.in/yaml.v2"
 
 	"github.com/lxc/distrobuilder/shared"
+	"github.com/lxc/distrobuilder/shared/version"
 	"github.com/lxc/distrobuilder/sources"
 )
 
@@ -76,6 +77,7 @@ type cmdGlobal struct {
 	flagCacheDir string
 	flagOptions  []string
 	flagTimeout  uint
+	flagVersion  bool
 
 	definition *shared.Definition
 	sourceDir  string
@@ -119,6 +121,11 @@ func main() {
 		[]string{}, "Override options (list of key=value)"+"``")
 	app.PersistentFlags().UintVarP(&globalCmd.flagTimeout, "timeout", "t", 0,
 		"Timeout in seconds"+"``")
+	app.PersistentFlags().BoolVar(&globalCmd.flagVersion, "version", false, "Print version number")
+
+	// Version handling
+	app.SetVersionTemplate("{{.Version}}\n")
+	app.Version = version.Version
 
 	// LXC sub-commands
 	LXCCmd := cmdLXC{global: &globalCmd}
diff --git a/shared/version/version.go b/shared/version/version.go
new file mode 100644
index 0000000..47b68d7
--- /dev/null
+++ b/shared/version/version.go
@@ -0,0 +1,4 @@
+package version
+
+// Version contains the distrobuilder version number
+var Version = "1.0"