feat: Add functionality to display the current version of labdoc via …

…the `--version` flag

.goreleaser.yaml

@@ -6,7 +6,6 @@ before:
     - "go mod tidy"
 
 builds:
-
   - env:
       - "CGO_ENABLED=0"
     goos:
@@ -15,6 +14,8 @@ builds:
     goarch:
       - "amd64"
       - "arm64"
+    ldflags:
+      - "-s -w -X github.com/erNail/labdoc/cmd.version={{ .Version }}"
 
 # Container Image build
 kos:

cmd/root.go

@@ -7,16 +7,20 @@ import (
 	"github.com/spf13/cobra"
 )
 
+// This will be set during the build via `-ldflags "-s -w -X github.com/erNail/labdoc/cmd.version={{ .Version }}"`.
+var version = "dev"
+
 // NewRootCmd creates the root command for the CLI application.
 // This command serves as the entry point and parent for all other commands.
 //
 // Returns:
 //   - *cobra.Command: A pointer to the newly created cobra.Command.
 func NewRootCmd() *cobra.Command {
 	rootCmd := &cobra.Command{
-		Use:   "labdoc",
-		Short: "Generate Markdown documentation from GitLab CI/CD Components",
-		Long:  "A CLI tool for generating Markdown documentation from GitLab CI/CD Components",
+		Use:     "labdoc",
+		Short:   "Generate Markdown documentation from GitLab CI/CD Components",
+		Long:    "A CLI tool for generating Markdown documentation from GitLab CI/CD Components",
+		Version: version,
 	}
 
 	filesystem := afero.NewOsFs()

cmd/root_test.go

@@ -17,6 +17,17 @@ func TestRootCmdPrintsHelpWithoutError(t *testing.T) {
 	require.NoError(t, err)
 }
 
+func TestRootCmdPrintsVersionWithoutError(t *testing.T) {
+	t.Parallel()
+
+	cmd := NewRootCmd()
+	cmd.SetArgs([]string{"--version"})
+
+	err := cmd.Execute()
+
+	require.NoError(t, err)
+}
+
 func TestRootCmdCallsGenerateSubcommand(t *testing.T) {
 	t.Parallel()
 

taskfile.yaml

@@ -34,6 +34,10 @@ tasks:
     cmds:
       - "semantic-release --dry-run"
 
+  test-version-ldflags:
+    cmds:
+      - "go run -ldflags '-s -w -X github.com/erNail/labdoc/cmd.version=v1.2.3' main.go --version"
+
   test-github-actions:
     cmds:
       - "act"