Fix config show

src/mold/cli/configure.py

@@ -27,7 +27,9 @@ def configure_show(name: str = None):
         print(f' - {c.name}: {c.description} ({t})')
 
     files = {
-        temp.target_path for tool in config.components for temp in tool.templates()
+        temp.target_path
+        for comp in config.components if isinstance(comp, Tool)
+        for temp in comp.templates()
     }
     parts = {}
     for file in files:

tests/cli.py

@@ -0,0 +1,15 @@
+from subprocess import run
+
+
+class TestCLI:
+    def test_config_list(self):
+        pc = run(['mold', 'config', 'list'])
+        assert pc.returncode == 0
+
+    def test_config_show(self):
+        pc = run(['mold', 'config', 'show', 'python-library'])
+        assert pc.returncode == 0
+
+    def test_prefill_show(self):
+        pc = run(['mold', 'prefill', 'show'])
+        assert pc.returncode == 0