update.yml

name: Check update and push to AUR

on:
  schedule:
    - cron: '37 17 * * *'
  repository_dispatch:

jobs:
  update:
    runs-on: ubuntu-latest
    container:
      image: archlinux

    steps:
      - name: Save ssh key
        run: |
          echo "${{ secrets.SSH_KEY }}" | install -Dm400 /dev/stdin ~/.ssh/id_ed25519

      - name: Get time
        id: time
        run: echo "::set-output name=time::$(date +%F-%T)"

      - name: Set up cache
        uses: actions/cache@master
        with:
          path: /var/cache/pacman/pkg
          key: pacman-cache-x86_64-${{ steps.time.outputs.time }}
          restore-keys: pacman-cache-x86_64-

      - name: Install packages
        run: |
          pacman -Syu --noconfirm
          pacman -S --needed --noconfirm git jq pacman-contrib openssh

      - uses: actions/checkout@v2

      - name: Check update
        run: |
          set -x

          current=$(grep -P '^pkgver' PKGBUILD | cut -d= -f2)
          latest=$(curl https://api.github.com/repos/actions/runner/releases | jq -r '.[] | .tag_name' | grep -P 'v[0-9.]*' | head -n1 | cut -c 2-)

          [ "$current" = "$latest" ] && exit

          useradd makepkg
          chown makepkg:root . -R
          sed "/^pkgver/s/.*/pkgver=${latest}/" -i PKGBUILD
          su makepkg -c "updpkgsums"
          su makepkg -c "makepkg --printsrcinfo" > .SRCINFO

          git config user.name ${{ secrets.GIT_COMMIT_NAME }}
          git config user.email ${{ secrets.GIT_COMMIT_EMAIL }}
          git add .
          git commit -m "auto upgraded to ${latest}"

          [ -n "${{ secrets.READ_ONLY }}" ] && git show && exit

          git push origin master
          git push ssh://aur@aur.archlinux.org/github-actions-bin.git master