pre-commit: add basic checks

Signed-off-by: Benjamin Gilbert <bgilbert@cs.cmu.edu>

Author: bgilbert

.github/workflows/java.yaml

@@ -11,8 +11,22 @@ permissions:
   contents: read
 
 jobs:
+  pre-commit:
+    name: Rerun pre-commit checks
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out repo
+        uses: actions/checkout@v4
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.13'
+      - name: Run pre-commit hooks
+        uses: pre-commit/action@v3.0.1
+
   build:
     name: Build
+    needs: pre-commit
     runs-on: ${{ matrix.os }}
     outputs:
       dist-base: ${{ steps.dist.outputs.dist-base }}

.pre-commit-config.yaml

@@ -0,0 +1,28 @@
+# exclude vendored files
+exclude: '^(COPYING\.LESSER)$'
+
+repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v6.0.0
+    hooks:
+      - id: check-added-large-files
+      - id: check-merge-conflict
+      - id: check-vcs-permalinks
+      - id: check-yaml
+      - id: end-of-file-fixer
+      - id: fix-byte-order-marker
+      - id: mixed-line-ending
+      - id: trailing-whitespace
+
+  - repo: https://github.com/codespell-project/codespell
+    rev: v2.4.1
+    hooks:
+      - id: codespell
+        name: Check spelling with codespell
+        additional_dependencies:
+          - tomli  # Python < 3.11
+
+  - repo: meta
+    hooks:
+      - id: check-hooks-apply
+      - id: check-useless-excludes

README.md

@@ -25,7 +25,7 @@ mvn
 The JAR will be in `target/openslide-java-*.jar`.
 
 If you have multiple JVMs on your system, and Maven defaults to a version
-older than 22, you might need to set `JAVA_HOME`.  For exmaple, on Fedora:
+older than 22, you might need to set `JAVA_HOME`.  For example, on Fedora:
 
 ```
 JAVA_HOME=/usr/lib/jvm/java-22 mvn