Add Version Command to the CLI Tool

.github/workflows/nightly-build.yaml

@@ -50,8 +50,8 @@ jobs:
                     binName="${binName}.exe"
                 fi
                 go build -o "$binName" \
-                    -ldflags="-s -w" \
-    
+                    ldflags="-s -w -X 'pkg/cmd/version.Version=${version}' -X 'pkg/cmd/version.GitCommit=${gitCommit}' -X 'pkg/cmd/version.BuildTime=${buildTime}'"
+
           - name: Generate archive
             run: |
                 if [ $GOOS == "windows" ]; then

cmd/root.go

@@ -9,6 +9,7 @@ import (
 	"jmm/pkg/cmd/models"
 	"jmm/pkg/cmd/pull"
 	"jmm/pkg/cmd/push"
+	"jmm/pkg/cmd/version"
 	"os"
 	"os/user"
 	"path/filepath"
@@ -41,6 +42,7 @@ func init() {
 	rootCmd.AddCommand(pull.NewCmdPull())
 	rootCmd.AddCommand(push.NewCmdPush())
 	rootCmd.AddCommand(models.ModelsCommand())
+	rootCmd.AddCommand(version.NewCmdVersion())
 }
 
 func newRootCmd() *cobra.Command {

pkg/cmd/version/version.go

@@ -0,0 +1,34 @@
+package version
+
+import (
+	"fmt"
+	"github.com/spf13/cobra"
+	"runtime"
+)
+
+// Default build-time variable.
+// These values are overridden via ldflags
+var (
+	Version   = "unknown"
+	GitCommit = "unknown"
+	BuildTime = "unknown"
+	GoVersion = runtime.Version()
+)
+
+func NewCmdVersion() *cobra.Command {
+
+	cmd := &cobra.Command{
+		Use:   "version",
+		Short: "Display the version information for jmm",
+		Long: `The version command prints detailed version information for the jmm CLI tool,
+including the current version of the tool, the Git commit that the version was built from, 
+the build time, and the version of Go it was compiled with. This can be useful for debugging 
+or verifying that you are running the expected version of jmm.`,
+		Run: func(cmd *cobra.Command, args []string) {
+			fmt.Printf("Version: %s\nCommit: %s\nBuilt: %s\nGo version: %s\n", Version, GitCommit, BuildTime, GoVersion)
+		},
+	}
+	return cmd
+}
+
+func init() {}