chore: add version flag to root command (#4)

Co-authored-by: rick <LinuxSuRen@users.noreply.github.com>

Author: LinuxSuRen

.goreleaser.yml

@@ -20,6 +20,7 @@ builds:
     ldflags:
       - -w
       - -s
+      - -X github.com/linuxsuren/md-exec/cli.version={{.Version}}
 dist: release
 archives:
   - name_template: "{{ .Binary }}-{{ .Os }}-{{ .Arch }}"

cli/root.go

@@ -14,6 +14,9 @@ import (
 	"github.com/spf13/cobra"
 )
 
+// should be inject during the build process
+var version string
+
 func NewRootCommand() (cmd *cobra.Command) {
 	opt := &option{}
 	cmd = &cobra.Command{
@@ -22,6 +25,7 @@ func NewRootCommand() (cmd *cobra.Command) {
 		Args:    cobra.ExactArgs(1),
 		RunE:    opt.runE,
 	}
+	cmd.Version = version
 	flags := cmd.Flags()
 	flags.BoolVarP(&opt.loop, "loop", "", true, "Run the Markdown in loop mode.")
 	return