name: 'Describe Git Changes with AI'
on:
push:
branches: [ main, dev ]
pull_request:
branches: [ main, dev ]
workflow_dispatch:
jobs:
describe-changes:
permissions:
contents: read
models: read
pull-requests: write
runs-on: ubuntu-latest
steps:
- name: Checkout code
uses: actions/checkout@v4
with:
fetch-depth: 0
- name: Extract git changes
id: extract-changes
shell: bash
run: |
# Determine what to compare based on event type
if [[ "${{ github.event_name }}" == "pull_request" ]]; then
echo "Analyzing pull request changes..."
BASE_SHA="${{ github.event.pull_request.base.sha }}"
HEAD_SHA="${{ github.event.pull_request.head.sha }}"
else
echo "Analyzing push changes..."
BASE_SHA=$(git rev-parse HEAD^ || git rev-parse HEAD~1)
HEAD_SHA=$(git rev-parse HEAD)
fi
# Get list of changed files
CHANGED_FILES=$(git diff --name-only $BASE_SHA $HEAD_SHA)
echo "Changed files detected:"
echo "$CHANGED_FILES"
# Get commit messages
COMMIT_MESSAGES=$(git log --pretty=format:"%s" $BASE_SHA..$HEAD_SHA)
echo "Commit messages:"
echo "$COMMIT_MESSAGES"
# Create a diff summary
DIFF_SUMMARY=$(git diff --stat $BASE_SHA $HEAD_SHA)
echo "Diff summary:"
echo "$DIFF_SUMMARY"
# Store values in output variables
{
echo "changed_files<<EOF"
echo "$CHANGED_FILES"
echo "EOF"
echo "commit_messages<<EOF"
echo "$COMMIT_MESSAGES"
echo "EOF"
echo "diff_summary<<EOF"
echo "$DIFF_SUMMARY"
echo "EOF"
} >> $GITHUB_OUTPUT
- name: Create AI prompt
id: create-prompt
shell: bash
run: |
echo "prompt<<EOF" >> $GITHUB_OUTPUT
echo "Please analyze these git changes and provide a concise summary:" >> $GITHUB_OUTPUT
echo "" >> $GITHUB_OUTPUT
echo "Changed files:" >> $GITHUB_OUTPUT
echo "${{ steps.extract-changes.outputs.changed_files }}" >> $GITHUB_OUTPUT
echo "" >> $GITHUB_OUTPUT
echo "Commit messages:" >> $GITHUB_OUTPUT
echo "${{ steps.extract-changes.outputs.commit_messages }}" >> $GITHUB_OUTPUT
echo "" >> $GITHUB_OUTPUT
echo "Diff summary:" >> $GITHUB_OUTPUT
echo "${{ steps.extract-changes.outputs.diff_summary }}" >> $GITHUB_OUTPUT
echo "" >> $GITHUB_OUTPUT
echo "Please provide: 1) A brief summary of the main changes 2) The type of changes (feature, bugfix, refactor, etc.) 3) Any notable technical details" >> $GITHUB_OUTPUT
echo "EOF" >> $GITHUB_OUTPUT
- name: Analyze changes with AI
id: ai-analysis
uses: actions/ai-inference@v1
with:
prompt: ${{ steps.create-prompt.outputs.prompt }}
- name: Process AI response with Bash
id: process-response
shell: bash
run: |
# Create a file with the response using quoted heredoc to prevent interpretation
cat > /tmp/ai_response.txt << 'EOT'
${{ steps.ai-analysis.outputs.response }}
EOT
# Print to console (safely)
echo "## Git Changes Analysis"
cat /tmp/ai_response.txt
# Write to step summary (safely)
{
echo "## Git Changes Summary"
echo ""
cat /tmp/ai_response.txt
} >> $GITHUB_STEP_SUMMARY
# Store in output for other steps
{
echo "ai_response<<EOF"
cat /tmp/ai_response.txt
echo "EOF"
} >> $GITHUB_OUTPUT
- name: Comment on PR (if applicable)
if: github.event_name == 'pull_request'
run: |
gh pr comment ${{ github.event.pull_request.number }} --body "## 🤖 AI Analysis of Changes
$(cat /tmp/ai_response.txt)"
env:
GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
