Add kubectl-neat version command (#67)

.goreleaser.yml

@@ -8,6 +8,8 @@ builds:
   goarch:
     - amd64
     - arm64
+  ldflags:
+    - -s -w -X github.com/itaysk/kubectl-neat/cmd.Version={{ .Version }}
 archives:
 - name_template: "{{ .ProjectName }}_{{ .Os }}_{{ .Arch }}"
 checksum:

cmd/cmd.go

@@ -37,6 +37,7 @@ func init() {
 	rootCmd.SetErr(os.Stderr)
 	rootCmd.MarkFlagFilename("file")
 	rootCmd.AddCommand(getCmd)
+	rootCmd.AddCommand(versionCmd)
 }
 
 // Execute is the entry point for the command package
@@ -127,6 +128,20 @@ kubectl neat get -- svc -n default myservice --output json`,
 	},
 }
 
+// populated by goreleaser
+var (
+	Version = "v0.0.0+unknown"
+)
+
+var versionCmd = &cobra.Command{
+	Use:   "version",
+	Short: "Print kubectl-neat version",
+	Long:  "Print the version of kubectl-neat",
+	Run: func(cmd *cobra.Command, args []string) {
+		fmt.Printf("kubectl-neat version: %s\n", Version)
+	},
+}
+
 func isJSON(s []byte) bool {
 	return bytes.HasPrefix(bytes.TrimLeftFunc(s, unicode.IsSpace), []byte{'{'})
 }