name: Check git apply
permissions:
#  actions: none
#  checks: none
#  contents: write
#  deployments: none
#  issues: none
#  packages: none
   pull-requests: write
#  repository-projects: none
#  security-events: none
#  statuses: none

on:
  push:
    branches-ignore:
      - 'ci'
    paths:
      - 'build/**'

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

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

jobs:
  build:
    runs-on: ubuntu-latest
    steps:

      - name: "Get value from dispatch"
        run: |
          if [ -z "${RTAG}" ]; then
            echo "RTAG=$GITHUB_SHA" >> $GITHUB_ENV
            echo "RTAG=$RTAG"
          fi

      - 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

          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

          BRANCH=$(curl https://github.com/uazo/cromite/branch_commits/$RTAG | ./pup -p li.branch:last-child a text{})
          if [ -z "${BRANCH}" ]; then
            BRANCH=$(curl https://github.com/uazo/cromite/branch_commits/$RTAG a | ./pup -p li.branch:first-child a text{})
          fi
          if [ -z "${BRANCH}" ]; then
            echo "Can not recover the base commit"
            exit 1
          fi
          echo "BRANCH=$BRANCH" >> $GITHUB_ENV

      - name: Checkout 'uazo/cromite' ${{ env.BRANCH }}
        uses: actions/checkout@v2
        with:
            repository: 'uazo/cromite'
            ref: ${{ github.event.inputs.rtag }}
            path: 'cromite'
            fetch-depth: 1

      - name: Check chromium version
        run: |
          export HOME=$GITHUB_WORKSPACE
          VERSION=$(cat ~/cromite/build/RELEASE)
          echo "VERSION=$VERSION" >> $GITHUB_ENV

      - name: Cache chromium sources
        uses: actions/cache@v3
        with:
          path: chromium-src
          key: chrsource-${{ env.VERSION }}

      - name: Download chromium ${{ env.VERSION }} sources
        run: |
          export HOME=$GITHUB_WORKSPACE
          ./bin/SuperPatchUtils bromite $RTAG ~/chromium-src
          mkdir -p ~/chromium/src && cp -rT ~/chromium-src ~/chromium/src
          cd ~/chromium/src
          git init
          git config user.email "you@example.com"
          git config user.name "Your Name"
          git add .
          git commit -m $VERSION
          git tag -a $VERSION -m $VERSION

          git add -f v8 && git commit -m ":NOEXPORT: v8" || true

      - name: Apply patches ${{ github.event.inputs.rtag }}
        run: |
          export HOME=$GITHUB_WORKSPACE
          cd ~/chromium/src

          export SILENT=true
          export SKIPAUTOGENERATED=true
          bash ~/cromite/tools/apply-all-patch.sh || exit 1

          rm -rf ~/cromite/build/patches-new/
          rm ~/cromite/build/cromite_patches_list_new.txt

      - name: Export patches
        run: |
          export HOME=$GITHUB_WORKSPACE
          cd ~/chromium/src

          bash ~/cromite/tools/export-all-patch.sh

          cd ~/cromite
          rm -rf build/patches/*
          mv build/patches-new/* build/patches
          rm -rf build/patches-new/

      - name: Check differences CHANGES=${{ env.CHANGES }}
        run: |
          export HOME=$GITHUB_WORKSPACE

          cd ~/cromite
          CHANGES=0 && git diff --quiet || CHANGES=1
          echo "CHANGES=$CHANGES" >> $GITHUB_ENV

          if [[ CHANGES -eq 1 ]]; then
              git add build/patches/*.patch
              git diff --name-only --staged
              # MESSAGE=$(git diff --name-only --staged)
              # echo "MESSAGE='$MESSAGE'" >> $GITHUB_ENV
          fi

      - name: Create Pull Request
        uses: peter-evans/create-pull-request@c5a7806660adbe173f04e3e038b0ccdcd758773c #v6.1.0
        if: env.CHANGES == '1'
        with:
          token: ${{ secrets.CROMITE_PULLS }}
          path: cromite
          base: ${{ env.BRANCH }}
          #push-to-fork: uazo/cromite
          add-paths: |
            build/patches/*.patch
          commit-message: '[AUTO] Patches auto-rebase'
          title: '[AUTO] Patches auto-rebase for ${{ env.BRANCH }} branch'
          body: ${{ env.MESSAGE }}
          delete-branch: true
          branch-suffix: short-commit-hash