compile_mikupad.yml

name: Release Mikupad

on:
  push:
    branches:
      - main

jobs:
  build:
    runs-on: ubuntu-latest

    steps:
    - name: Checkout repository
      uses: actions/checkout@v4
      with:
        fetch-depth: 0
        ref: main
        
    - name: Set up Node.js
      uses: actions/setup-node@v4
      with:
        node-version: '20'

    - name: run compile.sh
      run: chmod +x compile.sh; ./compile.sh

    - name: Determine Tag and Build Names
      id: build_ids
      run: |
        # use number of commits as build ID
        
        BUILD_NUMBER="$(git rev-list --count HEAD)"
        echo "number=${BUILD_NUMBER}" >> $GITHUB_OUTPUT
        
        SHORT_HASH="$(git rev-parse --short=7 HEAD)"
        echo "buildName=Mikupad #${BUILD_NUMBER} [${SHORT_HASH}]" >> $GITHUB_OUTPUT
        
        echo "Build: $BUILD_NUMBER $SHORT_HASH"
      
    - name: Get Last Release Tag
      id: last_release
      run: |
        # find previous release to determine how many commits should be displayed in the changelog
        TAG=$(git tag --list 'release*' --sort=-v:refname | head -n 1)
        if [ -z "$TAG" ]; then
          echo "No release tag found"
          echo "tag=$(echo 'none')" >> $GITHUB_OUTPUT
        else
          TAG_NUMBER=$(echo $TAG | sed 's/release//')
          echo "Found release tag: $TAG"
          echo "tag=$TAG_NUMBER" >> $GITHUB_OUTPUT
        fi

    - name: Generate Changelog
      id: changelog
      run: |
        # if no previous release, don't dump the entire history
        if [ "${{ steps.last_release.outputs.tag }}" = "none" ]; then
          echo "mikudayo~" > CHANGELOG.txt
        else
          OLD_COMMIT="${{ steps.last_release.outputs.tag }}"
          NUM_COMMITS="${{ steps.build_ids.outputs.number }}"
          NEW_COMMITS="$(($NUM_COMMITS - $OLD_COMMIT))"
          echo "Generating changelog with $NEW_COMMITS commits starting from $OLD_COMMIT"
          
          # echo changelog
          echo "Generated $(date +'%Y-%m-%d %T')" >> CHANGELOG.txt
          echo "\`\`\`" >> CHANGELOG.txt
          echo "$(git log --graph -n $NEW_COMMITS --oneline)" >> CHANGELOG.txt
          echo "\`\`\`" >> CHANGELOG.txt
        fi

    - name: Release
      uses: softprops/action-gh-release@v2
      with:
        tag_name: release${{ steps.build_ids.outputs.number }}
        name: ${{ steps.build_ids.outputs.buildName }}
        body_path: CHANGELOG.txt 
        files: mikupad_compiled.html
        token: ${{ secrets.GITHUB_TOKEN }}