update-lockfile.yaml

name: Update locked envs
on:
  schedule:
  - cron: "0 8 1,16 * *" # Bi-weekly
  workflow_dispatch:

jobs:
  update-lockfiles:
    if: ${{ github.ref == 'refs/heads/master' }}
    name: Update lockfiles
    runs-on: ubuntu-latest
    defaults:
      run:
        shell: bash -l {0}
    steps:
    - uses: actions/checkout@v6

    - name: Setup Pixi
      uses: prefix-dev/setup-pixi@v0.9.5
      with:
        pixi-version: v0.59.0

    - name: Full resolve (exclude packages newer than 7 days)
      # Exclude recently published packages to avoid pulling in broken or
      # yanked releases before upstream has had time to react
      run: |
        EXCLUDE_DATE=$(date -u -d '7 days ago' +%Y-%m-%dT00:00:00Z)
        sed -i "/^\[workspace\]/a exclude-newer = \"$EXCLUDE_DATE\"" pixi.toml
        rm pixi.lock
        pixi install --all
        git checkout pixi.toml

    - name: Export conda environment files
      if: ${{ !vars.PYPSA_BOT_ID }}
      run: pixi run sync-locks

    - name: Create Pull Request
      uses: peter-evans/create-pull-request@v8
      with:
        token: ${{ secrets.GITHUB_TOKEN }}
        branch: update-locked-environment
        title: "[github-actions.ci] Update locked envs"
        body: |
          Automatically generated PR to update the pixi lockfile.

          **Note: Do not merge without manual test execution, unless pypsa-bot has already exported the environment files and triggered tests.**
        commit-message: "Update locked environment files for all platforms"