bump-beta-rust-version.yml

# Copyright (C) 2022 Canonical Ltd.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 3, as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <https://www.gnu.org/licenses/>.

name: Check for new rust requirement on the beta branch

on:
  schedule:
    # run daily (at 5:17 UTC)
    - cron: '17 5 * * *'
  workflow_dispatch:

jobs:
  check-new-rust-requirement-beta:
    runs-on: ubuntu-20.04
    steps:
      - uses: actions/checkout@v4
        with:
          ref: beta
          persist-credentials: false
      - name: Install script dependencies
        run: sudo apt update && sudo apt install coreutils curl dpkg grep
      - name: Update rust requirement if needed
        run: |
          CURRENT=$(grep -m1 REQUIRED_RUST_VERSION snapcraft.yaml | cut -d= -f2)
          echo "Current rust version requirement: $CURRENT"
          FILE=https://hg.mozilla.org/releases/mozilla-beta/raw-file/tip/python/mozboot/mozboot/util.py
          NEW=$(curl -s $FILE | grep MINIMUM_RUST_VERSION | cut -d= -f2 | cut -d\" -f2)
          echo "New rust version requirement: $NEW"
          if $(dpkg --compare-versions $CURRENT lt $NEW); then
            sed -i "s/\(REQUIRED_RUST_VERSION=\)$CURRENT/\1$NEW/" snapcraft.yaml
            git add snapcraft.yaml
            git config user.name "GitHub Actions"
            git config user.email "actions@github.com"
            git commit -m "Bump rust requirement ($NEW)."
            git push https://${{ github.actor }}:${{ secrets.REPO_TOKEN }}@github.com/${{ github.repository }}.git beta
          fi