Add a warning when pattern doesn't match any codemods

src/codemodder/registry.py

@@ -83,15 +83,18 @@ def match_codemods(
                     base_codemods[codemod.id] = codemod
 
             # Remove duplicates and preserve order
-            return list(dict.fromkeys(base_codemods.values()))
+            return list(base_codemods.values())
 
         matched_codemods = []
         for name in codemod_include:
             if "*" in name:
                 pat = re.compile(name.replace("*", ".*"))
-                matched_codemods.extend(
-                    [codemod for codemod in self.codemods if pat.match(codemod.id)]
-                )
+                pattern_matches = [code for code in self.codemods if pat.match(code.id)]
+                matched_codemods.extend(pattern_matches)
+                if not pattern_matches:
+                    logger.warning(
+                        "Given codemod pattern '%s' does not match any codemods.", name
+                    )
                 continue
 
             try:

tests/codemods/test_include_exclude.py

@@ -105,6 +105,13 @@ def test_include_sast_with_prefix(self):
             c for c in self.registry.codemods if c.origin == "sonar"
         ]
 
+    def test_warn_pattern_no_match(self, caplog):
+        assert self.registry.match_codemods(["*doesntexist*"], None) == []
+        assert (
+            "Given codemod pattern '*doesntexist*' does not match any codemods"
+            in caplog.text
+        )
+
     def test_exclude_with_pattern(self):
         assert self.registry.match_codemods(None, ["*django*"], sast_only=False) == [
             c