pixi.yml

name: Pixi

permissions:
  contents: write
  pull-requests: write

on:
  workflow_dispatch:
  schedule:
    # Execute at 5am UTC on the first day of the month.
    - cron: '0 5 1 * *'

jobs:

  pixi-update:
    runs-on: ubuntu-24.04

    steps:

      - uses: actions/checkout@v4
        with:
          lfs: true

      - name: Set up pixi
        uses: prefix-dev/setup-pixi@v0.8.1
        with:
          run-install: false

      - name: Install pixi-diff-to-markdown
        run: pixi global install pixi-diff-to-markdown

      - name: Update pixi lockfile and generate diff
        run: |
          set -o pipefail
          pixi update --json | pixi exec pixi-diff-to-markdown --explicit-column > diff.md

      - name: Test project against updated pixi
        run: pixi run --environment tasks-cpu test
        env:
          PY_COLORS: "1"
          JAX_PLATFORM_NAME: cpu

      - name: Commit and push changes
        run: echo "BRANCH_NAME=update-pixi-$(date +'%Y%m%d%H%M%S')" >> $GITHUB_ENV

      - name: Create pull request
        uses: peter-evans/create-pull-request@v7
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          commit-message: Update `pixi.lock`
          title: Update `pixi` lockfile
          body-path: diff.md
          branch: ${{ env.BRANCH_NAME }}
          base: main
          labels: pixi
          add-paths: pixi.lock
          delete-branch: true