feat: add version command

.github/workflows/build.yml

@@ -16,6 +16,9 @@ jobs:
       - name: checkout repository
         uses: actions/checkout@v4
 
+      - name: fill version
+        run: sed -i -E "s/v[0-9]+.[0-9]+.[0-9]+/${{ github.ref_name }}/g" internal/opt/version.go
+
       - name: install golang
         uses: actions/setup-go@v4
         with:

internal/cmd/cmd.go

@@ -33,10 +33,13 @@ esgo2dump --input=http://127.0.0.1:9200/some_index --output=./data.json --query_
 	f_query  string
 
 	f_query_file string
+
+	f_version bool
 )
 
 func init() {
 	rootCommand.Flags().BoolVar(&opt.Debug, "debug", false, "")
+	rootCommand.Flags().BoolVarP(&f_version, "version", "v", false, "print esgo2dump version")
 	rootCommand.Flags().IntVar(&opt.Timeout, "timeout", 30, "max timeout seconds per operation with limit")
 
 	rootCommand.Flags().StringVarP(&f_input, "input", "i", "", "*required: input file or es url (example :data.json / http://127.0.0.1:9200/my_index)")

internal/cmd/run.go

@@ -50,6 +50,11 @@ func run(cmd *cobra.Command, args []string) error {
 		logrus.SetLevel(logrus.DebugLevel)
 	}
 
+	if f_version {
+		logrus.Infof("esgo2dump (Version: %s)", opt.Version)
+		return nil
+	}
+
 	if err = check(cmd); err != nil {
 		return err
 	}

internal/opt/version.go

@@ -0,0 +1,3 @@
+package opt
+
+const Version = "v0.1.2"