Add local lint script matching CI validate + mypy checks

Author: honnibal

lint.sh

@@ -0,0 +1,37 @@
+#!/usr/bin/env bash
+# Local lint script matching the CI Validate job + mypy type checks.
+# Fixes formatting and import sorting in-place, then re-verifies in
+# check mode to catch any conflicts between the two, and runs mypy.
+set -euo pipefail
+
+err=0
+
+echo "==> ruff format (auto-fixing)"
+python -m ruff format spacy
+
+echo "==> ruff isort (auto-fixing)"
+python -m ruff check spacy --select I --fix
+
+echo "==> ruff format (verify)"
+if ! python -m ruff format spacy --check; then
+    echo "FAIL: isort fix broke formatting"
+    err=1
+fi
+
+echo "==> ruff isort (verify)"
+if ! python -m ruff check spacy --select I; then
+    echo "FAIL: format fix broke import sorting"
+    err=1
+fi
+
+echo "==> mypy"
+if ! python -m mypy spacy; then
+    err=1
+fi
+
+if [ "$err" -ne 0 ]; then
+    echo "FAIL: see errors above"
+    exit 1
+fi
+
+echo "OK: all checks passed"