cli: fix greeter enable, and color sync

core/cmd/dms/utils.go

@@ -1,12 +1,24 @@
 package main
 
-import "os/exec"
+import (
+	"fmt"
+	"os/exec"
+)
 
 func commandExists(cmd string) bool {
 	_, err := exec.LookPath(cmd)
 	return err == nil
 }
 
+// findCommandPath returns the absolute path to a command in PATH
+func findCommandPath(cmd string) (string, error) {
+	path, err := exec.LookPath(cmd)
+	if err != nil {
+		return "", fmt.Errorf("command '%s' not found in PATH", cmd)
+	}
+	return path, nil
+}
+
 func isArchPackageInstalled(packageName string) bool {
 	cmd := exec.Command("pacman", "-Q", packageName)
 	err := cmd.Run()