add rm.go

Author: benben

internal/cli/rm.go

@@ -0,0 +1,27 @@
+package cli
+
+import (
+	"flag"
+	"fmt"
+
+	"github.com/benben/knaller"
+)
+
+// Rm implements the "knaller rm" subcommand. It removes a stopped VM's data
+// directory and any stale socket.
+func Rm(args []string) error {
+	fs := flag.NewFlagSet("rm", flag.ExitOnError)
+	name := fs.String("name", "", "VM name (required)")
+	fs.Parse(args)
+
+	if *name == "" {
+		return fmt.Errorf("--name is required")
+	}
+
+	if err := knaller.RemoveVM(*name); err != nil {
+		return err
+	}
+
+	fmt.Printf("Removed VM %q\n", *name)
+	return nil
+}