Add -v / --version command and appropriate build flags.

.github/workflows/release.yaml

@@ -162,6 +162,8 @@ jobs:
           fetch-depth: 0
       - name: Compile binary
         uses: thatisuday/go-cross-build@v1
+        env:
+          INPUT_LDFLAGS: "-s -w -X main.PKG_VERSION=${{ needs.prepare.outputs.RELEASE_VERSION }}"
         with:
           platforms: linux/amd64,darwin/amd64,windows/amd64,linux/arm64,darwin/amd64
           name: semver-gen

Makefile

@@ -1,7 +1,9 @@
+LOCAL_VERSION?=$(shell semver-gen generate -l -c config-release.yaml | sed -e 's|SEMVER ||g')
+
 all: build
 
 build:
-	@go build -o semver-gen *.go
+	go build -o semver-gen -ldflags="-s -w -X main.PKG_VERSION=${LOCAL_VERSION}" *.go
 
 run: build
 	@./semver-gen

cmd/main.go

@@ -32,8 +32,9 @@ import (
 )
 
 var (
-	err  error
-	repo *Setup
+	err         error
+	repo        *Setup
+	PKG_VERSION string
 )
 
 type Wording struct {
@@ -177,6 +178,10 @@ func (s *Setup) getSemver() string {
 }
 
 func main() {
+	if varShowVersion {
+		fmt.Println("semver-gen", PKG_VERSION, "\tMore information: https://github.com/lukaszraczylo/semver-generator")
+		return
+	}
 	if repo.Generate {
 		err := repo.ReadConfig(repo.LocalConfigFile)
 		if err != nil {

cmd/root.go

@@ -30,7 +30,9 @@ var rootCmd = &cobra.Command{
 
 Effortless semantic version generator with git commit keywords matching, allowing you to focus on the development.
 Visit https://github.com/lukaszraczylo/semver-generator for more information, documentation and examples.`,
-	Run: func(cmd *cobra.Command, args []string) {},
+	Run: func(cmd *cobra.Command, args []string) {
+		main()
+	},
 }
 
 func Execute() {
@@ -55,6 +57,7 @@ func (r *Setup) setupCobra() {
 var (
 	varRepoName, varLocalCfg string
 	varUseLocal              bool
+	varShowVersion           bool
 )
 
 func init() {
@@ -64,5 +67,6 @@ func init() {
 		rootCmd.PersistentFlags().StringVarP(&varRepoName, "repository", "r", "https://github.com/lukaszraczylo/simple-gql-client", "Remote repository URL.")
 		rootCmd.PersistentFlags().StringVarP(&varLocalCfg, "config", "c", "config.yaml", "Path to config file")
 		rootCmd.PersistentFlags().BoolVarP(&varUseLocal, "local", "l", false, "Use local repository")
+		rootCmd.PersistentFlags().BoolVarP(&varShowVersion, "version", "v", false, "Display version")
 	}
 }

main.go

@@ -17,6 +17,11 @@ package main
 
 import "github.com/lukaszraczylo/semver-generator/cmd"
 
+var (
+	PKG_VERSION string
+)
+
 func main() {
+	cmd.PKG_VERSION = PKG_VERSION
 	cmd.Execute()
 }