fix: name the file existence mode finds

verify_entry_existence returned no path, so RetroArch, Lakka and
RetroPie pages showed no Served by line. It now returns the resolved
path as the hash modes do. verify.py --all prints the same bytes and
its JSON is unchanged.

scripts/generate_site.py

@@ -2380,7 +2380,7 @@ def _served_line(f: dict) -> str:
     if f.get("status") == "missing":
         return "Not held"
     if not path:
-        # verify reports no path in existence mode: nothing to name.
+        # A slot the pack fills from a release asset or leaves to the user.
         return ""
     sha1 = _collection_sha1_by_path().get(path, "")
     label = "Served by" if f.get("status") == "ok" else "Held, not the declared hash"

scripts/verify.py

@@ -189,12 +189,13 @@ def verify_entry_existence(
     resolve_status: str = "",
     platform_display: str = "",
 ) -> dict:
-    """RetroArch verification: path_is_valid(), a file that exists is OK."""
+    """RetroArch verification: path_is_valid(), a file that exists is OK.
+    The result names the collection file found, as the hash modes do."""
     name = file_entry.get("name", "")
     required = file_entry.get("required", True)
     if not local_path:
         return {"name": name, "status": Status.MISSING, "required": required}
-    result = {"name": name, "status": Status.OK, "required": required}
+    result = {"name": name, "status": Status.OK, "required": required, "path": local_path}
     if resolve_status == "hash_mismatch":
         # The frontend reads no bytes, so the file stays, and the declared hash
         # it contradicts is reported, as the pack does.

tests/test_verify_listing.py

@@ -152,6 +152,16 @@ class ExistenceReportsWhatThePackReports(unittest.TestCase):
         self.assertEqual(result["status"], verify.Status.OK)
         self.assertIn("declared hash 9d2ff233", result["discrepancy"])
 
+    def test_the_file_found_is_named(self):
+        """RetroArch, Lakka and RetroPie pages showed no "Served by" line:
+        existence mode returned no path, where the hash modes return one."""
+        sys.path.insert(0, str(REPO_ROOT / "scripts"))
+        import verify  # noqa: PLC0415
+
+        found = verify.verify_entry_existence({"name": "a.bin"}, "bios/X/Y/a.bin")
+        self.assertEqual(found["path"], "bios/X/Y/a.bin")
+        self.assertNotIn("path", verify.verify_entry_existence({"name": "a.bin"}, None))
+
 
 class TheDestinationsFlagNeedsAPack(unittest.TestCase):
     """--destinations describes a platform's full pack: another mode refuses it."""