name: Check git apply

on:
  workflow_dispatch:
    inputs:
      rtag:
        description: 'uazo/bromite TAG or COMMIT'
        required: true
        default: ''

env:
  RTAG: ${{ github.event.inputs.rtag }}  

jobs:
  build:
    runs-on: ubuntu-latest
    steps:        
      - name: Prepare container
        run: |
          sudo apt update
          sudo apt install -y wget unzip tar sed dos2unix patchutils wiggle curl
          
          wget https://github.com/uazo/superpatch/releases/latest/download/SuperPatchUtils.tar.gz
          tar xfz SuperPatchUtils.tar.gz
          rm SuperPatchUtils.tar.gz
          
          git clone https://github.com/uazo/bromite-buildtools
          
          wget https://github.com/ericchiang/pup/releases/download/v0.4.0/pup_v0.4.0_linux_amd64.zip
          unzip pup_v0.4.0_linux_amd64.zip
          rm pup_v0.4.0_linux_amd64.zip

      - name: Download bromite sources
        run: |
          mkdir bromite && cd bromite
          git init
          git remote add origin https://github.com/uazo/bromite
          git fetch origin $RTAG
          git reset --hard FETCH_HEAD
          cd ..

      - name: Download chromium sources
        run: |
          ./bin/SuperPatchUtils bromite $RTAG chromium/src
          cd chromium/src
          git init
          git config user.email "you@example.com"
          git config user.name "Your Name"
          git add .
          VERSION=$(cat ../../bromite/build/RELEASE)
          git commit -m $VERSION
          git tag -a $VERSION -m $VERSION
          cd ../..

      - name: Apply patches
        run: |
          export HOME=$(pwd)
          cd ~/chromium/src
          
          export SILENT=true
          export SKIPAUTOGENERATED=true
          bash ~/bromite-buildtools/apply-all-patch.sh || exit 1
          
          rm -rf ~/bromite/build/patches-new/
          rm ~/bromite/build/bromite_patches_list_new.txt
          
      - name: Export patches
        run: |
          export HOME=$(pwd)
          
          cd ~/chromium/src          
          bash ~/bromite-buildtools/export-all-patch.sh
          
          cd ~/bromite
          mv build/patches-new/* build/patches
          rm -rf build/patches-new/
          
      - name: Export patches
        run: |
          cd bromite
          CHANGES=0 && git diff --quiet || CHANGES=1
          echo "CHANGES=$CHANGES" >> $GITHUB_ENV
          
          if [[ CHANGES -eq 1 ]]; then
              BRANCH=$(curl https://github.com/uazo/bromite/branch_commits/$RTAG | ../pup -p li.branch a text{})
              echo "BRANCH=$BRANCH" >> $GITHUB_ENV
              
              git add .
          fi
          
      - name: Create Pull Request
        uses: peter-evans/create-pull-request@v3.12.0
        if: env.CHANGES == '1'
        with:
          path: bromite
          branch: ${{ env.BRANCH }}
          add-paths: |
            build/patches/*.patch
          commit-message: Check git apply result
          title: Check git apply result
          delete-branch: true
          branch-suffix: short-commit-hash