Refactor pmctl into new portmaster-start

cmds/portmaster-start/show.go

@@ -0,0 +1,41 @@
+package main
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/spf13/cobra"
+)
+
+func init() {
+	rootCmd.AddCommand(showCmd)
+	// sub-commands of show are registered using registerComponent
+}
+
+var showCmd = &cobra.Command{
+	Use: "show",
+	PersistentPreRunE: func(*cobra.Command, []string) error {
+		// all show sub-commands need the data-root but no logging.
+		return configureDataRoot()
+	},
+	Short: "Show the command to run a Portmaster component yourself",
+}
+
+func show(cmd *cobra.Command, opts *Options, cmdArgs []string) error {
+	// get original arguments
+	args := getExecArgs(opts, cmdArgs)
+
+	// adapt identifier
+	if onWindows {
+		opts.Identifier += ".exe"
+	}
+
+	file, err := registry.GetFile(platform(opts.Identifier))
+	if err != nil {
+		return fmt.Errorf("could not get component: %s", err)
+	}
+
+	fmt.Printf("%s %s\n", file.Path(), strings.Join(args, " "))
+
+	return nil
+}