Add basic pre-commit checks; autogenerate Markdown file with release checklist links

.github/maintainer/README.md

@@ -0,0 +1,5 @@
+<!-- Generated by mkmaintainer.py; do not edit -->
+
+## Maintainer issue templates
+
+- [Release checklist](https://github.com/openslide/openslide-java/issues/new?title=Release+X.Y.Z&body=%23+OpenSlide+Java+release+process%0A%0A-+%5B+%5D+Update+%60CHANGELOG.md%60+and+version+in+%60pom.xml%60%0A-+%5B+%5D+Create+and+push+signed+tag%0A-+%5B+%5D+Verify+that+GitHub+Actions+created+a+%5BGitHub+release%5D%28https%3A%2F%2Fgithub.com%2Fopenslide%2Fopenslide-java%2Freleases%29+with+release+notes+and+a+JAR%0A-+%5B+%5D+Update+website%3A+%60_data%2Freleases.yaml%60%2C+%60_includes%2Fnews.md%60%0A-+%5B+%5D+Send+mail+to+-announce+and+-users%0A-+%5B+%5D+Post+to+%5Bforum.image.sc%5D%28https%3A%2F%2Fforum.image.sc%2Fc%2Fannouncements%2F10%29&labels=release)

.github/maintainer/mkmaintainer.py

@@ -0,0 +1,25 @@
+#!/usr/bin/python
+
+from pathlib import Path
+from urllib.parse import urlencode
+
+import yaml
+
+dir = Path(__file__).parent
+with open(dir / 'README.md', 'w') as fh:
+    fh.write('<!-- Generated by mkmaintainer.py; do not edit -->\n\n')
+    fh.write('## Maintainer issue templates\n\n')
+    for path in sorted(dir.iterdir()):
+        if path.name == 'README.md' or path.suffix != '.md':
+            continue
+        _, front, body = path.read_text().split('---\n', 2)
+        info = yaml.safe_load(front)
+        args = urlencode(
+            {
+                'title': info['title'],
+                'body': body.strip(),
+                'labels': ','.join(info.get('labels', [])),
+            }
+        )
+        url = f"https://github.com/{info['repo']}/issues/new?{args}"
+        fh.write(f"- [{info['link-text']}]({url})\n")

.github/ISSUE_TEMPLATE/release.md → .github/maintainer/release.md

@@ -1,3 +1,10 @@
+---
+link-text: Release checklist
+repo: openslide/openslide-java
+title: Release X.Y.Z
+labels: [release]
+---
+
 # OpenSlide Java release process
 
 - [ ] Update `CHANGELOG.md` and version in `pom.xml`

.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 +1,37 @@
+# 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
+
+  - repo: local
+    hooks:
+      - id: mkmaintainer
+        name: Sync maintainer issue templates
+        entry: .github/maintainer/mkmaintainer.py
+        files: .github/maintainer/
+        language: python
+        additional_dependencies: [PyYAML]

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