|
| 1 | +name: Generate Changelog |
| 2 | + |
| 3 | +on: |
| 4 | + workflow_call: |
| 5 | + inputs: |
| 6 | + mode: |
| 7 | + required: true |
| 8 | + type: string |
| 9 | + description: 'Mode of operation: "release" or "snapshot"' |
| 10 | + tag_name: |
| 11 | + required: false |
| 12 | + type: string |
| 13 | + description: 'Current tag name (required for release mode)' |
| 14 | + outputs: |
| 15 | + changelog: |
| 16 | + description: "Generated changelog" |
| 17 | + value: ${{ jobs.generate.outputs.changelog }} |
| 18 | + |
| 19 | +jobs: |
| 20 | + generate: |
| 21 | + runs-on: ubuntu-latest |
| 22 | + outputs: |
| 23 | + changelog: ${{ steps.generate_changelog.outputs.changelog }} |
| 24 | + steps: |
| 25 | + - name: Checkout code |
| 26 | + uses: actions/checkout@v4 |
| 27 | + with: |
| 28 | + fetch-depth: 0 |
| 29 | + |
| 30 | + - name: Generate Changelog |
| 31 | + id: generate_changelog |
| 32 | + shell: bash |
| 33 | + run: | |
| 34 | + set -euo pipefail |
| 35 | + echo "Generating changelog from commits..." |
| 36 | +
|
| 37 | + MODE="${{ inputs.mode }}" |
| 38 | + if [[ "$MODE" == "release" ]]; then |
| 39 | + PREVIOUS_TAG=$(git describe --tags --abbrev=0 --match "v*.*.*" HEAD^ 2>/dev/null || echo "") |
| 40 | + CURRENT_TAG="${{ inputs.tag_name }}" |
| 41 | + if [[ -z "$PREVIOUS_TAG" ]]; then |
| 42 | + LOG_RANGE="$CURRENT_TAG" |
| 43 | + CONTEXT_MSG="All changes in this release:" |
| 44 | + else |
| 45 | + LOG_RANGE="$PREVIOUS_TAG..$CURRENT_TAG" |
| 46 | + CONTEXT_MSG="Changes since $PREVIOUS_TAG:" |
| 47 | + fi |
| 48 | + else |
| 49 | + LATEST_TAG=$(git describe --tags --abbrev=0 --match "v*.*.*" 2>/dev/null || echo "") |
| 50 | + if [[ -z "$LATEST_TAG" ]]; then |
| 51 | + LOG_RANGE="" |
| 52 | + CONTEXT_MSG="All changes:" |
| 53 | + else |
| 54 | + LOG_RANGE="$LATEST_TAG..HEAD" |
| 55 | + CONTEXT_MSG="since $LATEST_TAG:" |
| 56 | + fi |
| 57 | + fi |
| 58 | +
|
| 59 | + mapfile -t COMMITS < <(git log --pretty=format:'%H' $LOG_RANGE) |
| 60 | + CHANGELOG="" |
| 61 | + for commit_hash in "${COMMITS[@]}"; do |
| 62 | + commit_msg=$(git log -1 --pretty=format:'%s' "$commit_hash") |
| 63 | + commit_body=$(git log -1 --pretty=format:'%b' "$commit_hash") |
| 64 | + if echo "$commit_body" | grep -qiE "Changelog: (feature|fix|misc)"; then |
| 65 | + changelog_type=$(echo "$commit_body" | grep -oiE "Changelog: (feature|fix|misc)" | head -n1 | cut -d ' ' -f 2 | tr '[:upper:]' '[:lower:]') |
| 66 | + entry="- **$changelog_type**: $commit_msg" |
| 67 | + body_content=$(echo "$commit_body" | grep -v -i "^Changelog: " | sed '/^$/d' || true) |
| 68 | + if [[ -n "$body_content" ]]; then |
| 69 | + entry="$entry\n $(echo "$body_content" | sed 's/^/ /')" |
| 70 | + fi |
| 71 | + CHANGELOG="$CHANGELOG\n$entry" |
| 72 | + fi |
| 73 | + done |
| 74 | +
|
| 75 | + FEATURES=$(echo "$CHANGELOG" | grep "**feature**" || true) |
| 76 | + FIXES=$(echo "$CHANGELOG" | grep "**fix**" || true) |
| 77 | + MISC=$(echo "$CHANGELOG" | grep "**misc**" || true) |
| 78 | +
|
| 79 | + { |
| 80 | + echo "changelog<<CHANGELOG_EOF" |
| 81 | + if [[ -n "$CONTEXT_MSG" ]]; then |
| 82 | + echo "$CONTEXT_MSG" |
| 83 | + echo "" |
| 84 | + fi |
| 85 | + if [[ -n "$FEATURES" ]]; then |
| 86 | + echo "### ✨ New Features" |
| 87 | + echo "" |
| 88 | + echo "$FEATURES" | sed 's/\\n/\n/g' | sed 's/**feature**: //g' |
| 89 | + echo "" |
| 90 | + fi |
| 91 | + if [[ -n "$FIXES" ]]; then |
| 92 | + echo "### 🐛 Fixes" |
| 93 | + echo "" |
| 94 | + echo "$FIXES" | sed 's/\\n/\n/g' | sed 's/**fix**: //g' |
| 95 | + echo "" |
| 96 | + fi |
| 97 | + if [[ -n "$MISC" ]]; then |
| 98 | + echo "### 🔧 Miscellaneous" |
| 99 | + echo "" |
| 100 | + echo "$MISC" | sed 's/\\n/\n/g' | sed 's/**misc**: //g' |
| 101 | + echo "" |
| 102 | + fi |
| 103 | + echo "CHANGELOG_EOF" |
| 104 | + } >> "$GITHUB_OUTPUT" |
| 105 | + echo "Changelog generated." |
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