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Generate Changelog for Release #4

Generate Changelog for Release

Generate Changelog for Release #4

name: Generate Changelog for Release
on:
workflow_dispatch:
inputs:
version:
description: "Release version (e.g., 0.0.97)"
required: true
type: string
date:
description: "Release date (YYYY-MM-DD format, defaults to today)"
required: false
type: string
default: ""
permissions:
contents: write
pull-requests: write
jobs:
generate-changelog:
runs-on: ubuntu-latest
steps:
- name: Checkout repository
uses: actions/checkout@v4
with:
fetch-depth: 0
- name: Set up Python
uses: actions/setup-python@v5
with:
python-version: "3.12"
- name: Install uv
uses: astral-sh/setup-uv@v4
with:
enable-cache: true
- name: Install dependencies
run: |
uv sync --group dev
- name: Set release date
id: set_date
run: |
if [ -z "${{ inputs.date }}" ]; then
RELEASE_DATE=$(date +%Y-%m-%d)
echo "Using today's date: $RELEASE_DATE"
else
RELEASE_DATE="${{ inputs.date }}"
echo "Using provided date: $RELEASE_DATE"
fi
echo "release_date=$RELEASE_DATE" >> $GITHUB_OUTPUT
- name: Validate inputs
run: |
# Validate version format (basic check)
if ! [[ "${{ inputs.version }}" =~ ^[0-9]+\.[0-9]+\.[0-9]+.*$ ]]; then
echo "Error: Version must be in format X.Y.Z (e.g., 0.0.97)"
exit 1
fi
# Validate date format if provided
if [ -n "${{ inputs.date }}" ]; then
if ! date -d "${{ inputs.date }}" >/dev/null 2>&1; then
# Try macOS date format
if ! date -j -f "%Y-%m-%d" "${{ inputs.date }}" >/dev/null 2>&1; then
echo "Error: Date must be in YYYY-MM-DD format (e.g., 2025-12-04)"
exit 1
fi
fi
fi
- name: Check for changelog fragments
id: check_fragments
run: |
FRAGMENT_COUNT=$(find changelog -name "*.md" ! -name "_template.md.j2" | wc -l | tr -d ' ')
echo "fragment_count=$FRAGMENT_COUNT" >> $GITHUB_OUTPUT
if [ "$FRAGMENT_COUNT" -eq "0" ]; then
echo "❌ Error: No changelog fragments found in changelog/"
echo ""
echo "Cannot create a release without changelog entries."
echo "Add changelog fragments to the changelog/ directory (e.g., 1234.added.md) and try again."
exit 1
fi
# Validate fragment types
VALID_TYPES="added changed deprecated removed fixed security"
INVALID_FRAGMENTS=""
for file in changelog/*.md; do
# Skip template
if [[ "$file" == "changelog/_template.md.j2" ]]; then
continue
fi
# Extract type from filename (e.g., 1234.added.md -> added)
filename=$(basename "$file")
# Handle both 1234.added.md and 1234.added.2.md patterns
type=$(echo "$filename" | sed -E 's/^[0-9]+\.([a-z]+)(\.[0-9]+)?\.md$/\1/')
# Check if type is valid
if ! echo "$VALID_TYPES" | grep -wq "$type"; then
INVALID_FRAGMENTS="$INVALID_FRAGMENTS\n - $filename (type: '$type')"
fi
done
if [ -n "$INVALID_FRAGMENTS" ]; then
echo "❌ Error: Invalid changelog fragment types found:"
echo -e "$INVALID_FRAGMENTS"
echo ""
echo "Valid types are: $VALID_TYPES"
echo "Example: 1234.added.md, 5678.fixed.md"
exit 1
fi
echo "✓ Found $FRAGMENT_COUNT changelog fragment(s)"
echo "has_fragments=true" >> $GITHUB_OUTPUT
- name: Preview changelog
run: |
echo "## Preview of changelog for version ${{ inputs.version }}"
echo ""
uv run towncrier build --draft --version "${{ inputs.version }}" --date "${{ steps.set_date.outputs.release_date }}"
- name: Build changelog
run: |
uv run towncrier build --version "${{ inputs.version }}" --date "${{ steps.set_date.outputs.release_date }}" --yes
- name: Create Pull Request
uses: peter-evans/create-pull-request@v7
with:
token: ${{ secrets.GITHUB_TOKEN }}
commit-message: "Update changelog for version ${{ inputs.version }}"
title: "Release ${{ inputs.version }} - Changelog Update"
body: |
## Changelog Update for Release ${{ inputs.version }}
This PR updates the CHANGELOG.md with all changes for version **${{ inputs.version }}**.
### Summary
- **Version:** ${{ inputs.version }}
- **Date:** ${{ steps.set_date.outputs.release_date }}
- **Fragments processed:** ${{ steps.check_fragments.outputs.fragment_count }}
### What this PR does
- ✅ Adds new release section to CHANGELOG.md
- ✅ Removes processed changelog fragments
- ✅ Ready to merge for release
### Next Steps
1. Review the changelog entries below
2. Make any necessary edits to CHANGELOG.md if needed
3. Merge this PR
4. Continue with your release process
---
<details>
<summary>📋 Preview of changes</summary>
The changelog has been updated with entries from the following fragments:
```bash
${{ steps.check_fragments.outputs.fragment_count }} fragments processed
```
</details>
branch: changelog-${{ inputs.version }}
delete-branch: true
labels: |
changelog
release