feat(version): add version command

add version command

Signed-off-by: mritd <[email protected]>

Author: mritd

cmd/version.go

@@ -0,0 +1,61 @@
+// Copyright © 2018 mritd <[email protected]>
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+package cmd
+
+import (
+	"encoding/base64"
+	"fmt"
+	"runtime"
+
+	"github.com/spf13/cobra"
+)
+
+var bannerBase64 = "CiAgLm9vb29vby4gICAgIG84byAgICAgIC4gICAgICBvb29vb29vb29vb28gb29vbwogZDhQJyAgYFk4YiAgICBgIicgICAgLm84ICAgICAgYDg4OCcgICAgIGA4IGA4ODgKODg4ICAgICAgICAgICBvb29vICAubzg4OG9vICAgICA4ODggICAgICAgICAgODg4ICAgLm9vb29vLiAgb29vbyBvb29vICAgIG9vbwo4ODggICAgICAgICAgIGA4ODggICAgODg4ICAgICAgIDg4OG9vb284ICAgICA4ODggIGQ4OCcgYDg4YiAgYDg4LiBgODguICAuOCcKODg4ICAgICBvb29vbyAgODg4ICAgIDg4OCAgICAgICA4ODggICAgIiAgICAgODg4ICA4ODggICA4ODggICBgODguLl04OC4uOCcKYDg4LiAgICAuODgnICAgODg4ICAgIDg4OCAuICAgICA4ODggICAgICAgICAgODg4ICA4ODggICA4ODggICAgYDg4OCdgODg4JwogYFk4Ym9vZDhQJyAgIG84ODhvICAgIjg4OCIgICAgbzg4OG8gICAgICAgIG84ODhvIGBZOGJvZDhQJyAgICAgYDgnICBgOCc="
+
+var versionTpl = `%s
+
+Name: gitflow-toolkit
+Version: %s
+Arch: %s
+BuildTime: %s
+CommitID: %s
+`
+
+var (
+	Version   string
+	BuildTime string
+	CommitID  string
+)
+
+var versionCmd = &cobra.Command{
+	Use:   "version",
+	Short: "Print version",
+	Long: `
+Print version.`,
+	Run: func(cmd *cobra.Command, args []string) {
+		banner, _ := base64.StdEncoding.DecodeString(bannerBase64)
+		fmt.Printf(versionTpl, banner, Version, runtime.GOOS+"/"+runtime.GOARCH, BuildTime, CommitID)
+	},
+}
+
+func init() {
+	RootCmd.AddCommand(versionCmd)
+}