ci: Add justfile

Author: YDX-2147483647

justfile

@@ -0,0 +1,51 @@
+typst_preview := replace(cache_directory(), '\', '/') + "/typst/packages/preview"
+
+# List available recipes
+@list:
+    just --list
+
+# Scan code by rules, e.g., `just scan headcount`, `just scan i-figured/0.2.4 --off=hard-coded-str`, `just scan tidy/0.3.0 --filter=eval`
+scan PREVIEW_PACKAGE_PATH *OPTIONS:
+    ast-grep scan {{ OPTIONS }} {{ typst_preview }}/{{ PREVIEW_PACKAGE_PATH }}
+
+# Normal procedure after adding new tests; see also https://ast-grep.github.io/guide/test-rule.html
+add-test:
+    ast-grep test --skip-snapshot-tests
+    ast-grep test --interactive
+    ast-grep test
+
+# Check rule files match their IDs and tests
+check:
+    #!/usr/bin/env -S uv run --script
+    # /// script
+    # requires-python = ">=3.12"
+    # dependencies = [
+    #     "ruamel-yaml",
+    # ]
+    # ///
+    from pathlib import Path
+
+    from ruamel.yaml import YAML
+
+    yaml = YAML(typ="safe")
+    root = Path.cwd()
+
+
+    def load_id(file: Path) -> str:
+        return yaml.load(file.read_text(encoding="utf-8"))["id"]
+
+
+    def human(file: Path) -> str:
+        return file.relative_to(root).as_posix()
+
+
+    for rule in (root / "rules").iterdir():
+        if not rule.is_file():
+            continue
+
+        assert rule.suffix == ".yml", f"Rule file {human(rule)} must be a .yml file"
+        assert rule.stem == load_id(rule), f"Rule file {human(rule)} stem must match its ID"
+
+        test = root / "rules-tests" / f"{rule.stem}-test.yml"
+        assert test.exists() and test.is_file(), f"Test file {human(test)} must exist"
+        assert rule.stem == load_id(test), f"Test file {human(test)} stem must match its ID"