refactor: name the database option --db everywhere

scripts/scraper/arcade_parent_importer.py

@@ -1122,7 +1122,7 @@ def main() -> int:
     which.add_argument("--all", action="store_true", help="every profile with an arcade source")
     parser.add_argument("--emulators-dir", default="emulators",
                         help="profiles whose BIOS sets are read (default emulators)")
-    parser.add_argument("--database", default="database.json",
+    parser.add_argument("--db", default="database.json",
                         help="collection index, to name BIOS sets the collection lacks")
     parser.add_argument("--output-dir", type=Path, default=DEFAULT_OUTPUT,
                         help=f"where the parent maps are written (default {DEFAULT_OUTPUT})")
@@ -1133,7 +1133,7 @@ def main() -> int:
     args = parser.parse_args()
 
     profiles = load_emulator_profiles(args.emulators_dir, skip_aliases=False)
-    names = collection_names(Path(args.database))
+    names = collection_names(Path(args.db))
     failed = False
     for profile in sorted(PROFILES) if args.all else args.profile:
         if profile not in profiles:

tests/test_tool_messages.py

@@ -455,6 +455,25 @@ class OneSpellingPerOption(unittest.TestCase):
                         missing.append(f"{path.relative_to(REPO_ROOT)}:{node.lineno} {long}")
         self.assertEqual(missing, [])
 
+    def test_one_long_name_per_option(self):
+        """arcade_parent_importer took --database where every other script
+        takes --db, and refused `--db database.json`."""
+        import ast  # noqa: PLC0415
+
+        renamed = {"--database": "--db"}
+        found = []
+        for path in sorted((REPO_ROOT / "scripts").rglob("*.py")):
+            tree = ast.parse(path.read_text(encoding="utf-8"))
+            for node in ast.walk(tree):
+                if (isinstance(node, ast.Call)
+                        and getattr(node.func, "attr", None) == "add_argument"):
+                    found.extend(
+                        f"{path.relative_to(REPO_ROOT)}:{node.lineno} {a.value}"
+                        for a in node.args
+                        if isinstance(a, ast.Constant) and a.value in renamed
+                    )
+        self.assertEqual(found, [])
+
 
 class ThePipelineRefreshesTheCommittedExport(unittest.TestCase):
     """Step 2e wrote to <output-dir>/upstream while exports/ is the copy the

wiki/tools.md

@@ -1416,7 +1416,7 @@ Further options, by script:
 | `scraper/mame_hash_scraper.py` | `--release mameNNNN --profile FILE --source-commit SHA --core NAME --built-by PLATFORM` writes the profile of a MAME build a platform compiles. `--devices --listxml FILE` documents in `mame.yml` every device set with dumped ROMs that the release's `-listxml` names (`isdevice="yes"`), with `--dry-run` to preview |
 | `scraper/romset_dat_importer.py` | `--cache-dir` (downloaded listxml and DATs) |
 | `scraper/game_dat_importer.py` | `--source no-intro\|redump` (repeatable), `--pack FILE` imports a local ZIP, directory or DAT, `--refresh` asks the servers again, `--cache-dir`, `--output-dir`, `--dry-run` |
-| `scraper/arcade_parent_importer.py` | `--profile NAME` (one core version), `--emulators-dir`, `--database` (BIOS roots checked against it by archive name), `--output-dir`, `--cache-dir`, `--offline`, `--dry-run` |
+| `scraper/arcade_parent_importer.py` | `--profile NAME` (one core version), `--emulators-dir`, `--db` (BIOS roots checked against it by archive name), `--output-dir`, `--cache-dir`, `--offline`, `--dry-run` |
 | `scraper/romfolders` | `--sources DIR` (default `platforms/romfolders/_sources`), `--output-dir`, `--dry-run` |
 | `game_rules.py` | `--regions`, `--extras`, `--headers` (files checked against the profiles and the header readers), `--emulators-dir`, `--json` |
 | `generate_games_index.py` | `--output-dir` (default `install/games`), `--check`, `--quiet` |