auto_update.yml

---
name: Perform automatic updates

on:
  schedule:
    - cron: 0 18 * * MON
    - cron: 0 18 * * WED
    - cron: 0 18 * * FRI
  workflow_dispatch:

permissions:
  contents: write
  checks: write
  statuses: write
  pull-requests: write

jobs:
  auto_update:
    name: Run PDM Update
    runs-on: ubuntu-latest
    steps:
      - name: Checkout sources
        uses: actions/checkout@v3
      - name: Set PDM version
        run: |
          echo "pdm_version=$(./.github/workflow_scripts/get-pdm-version-from-lock.awk pdm.lock)" >> $GITHUB_ENV
      - name: Setup python
        uses: actions/setup-python@v4
        with:
          python-version-file: .github/settings/auto_update.python_version
      - name: Setup PDM
        uses: pdm-project/setup-pdm@v3
        with:
          architecture: x64
          version: ${{ env.pdm_version }}
          prerelease: true
          enable-pep582: true
          allow-python-prereleases: false
      - name: Disable update check
        shell: bash
        run: pdm config check_update false
      - name: Install all dependencies from lock file
        shell: bash
        run: pdm install -G:all
      - name: Perform dry-run update
        shell: bash
        id: package_update
        run: |
          pdm update --dry-run --update-all 2>/dev/null 1>output.txt
          _pdm_output=$(cat output.txt)
          _next_output=$(echo ${_pdm_output})
          echo "PDM_UPDATE_OUTPUT<<EOF" >> $GITHUB_ENV
          echo "${_next_output}" >> $GITHUB_ENV
          echo "EOF" >> $GITHUB_ENV
          echo $_next_output
          _next_output=$(tail -n+2 output.txt)
          echo "PDM_PACKAGES_TO_UPDATE<<EOF" >> $GITHUB_ENV
          echo "${_next_output}" >> $GITHUB_ENV
          echo "EOF" >> $GITHUB_ENV
          echo $_next_output
          _next_output=$(tail -n+3 output.txt)
          echo "PDM_UPDATED_PACKAGES_NAMES<<EOF" >> $GITHUB_ENV
          echo "${_next_output}" >> $GITHUB_ENV
          echo "EOF" >> $GITHUB_ENV
          echo $_next_output
          _next_output=$(tail -n+3 output.txt | wc -l)
          echo "PDM_NUMBER_OF_NEW_PACKAGES=${_next_output}" >> $GITHUB_ENV
          rm output.txt
      - name: "Update dependencies"
        run: pdm update --no-sync --update-all
        shell: bash
      - name: Detect changes
        id: detect-changes
        shell: bash
        run: |
          _no_changed_files=$(git status --porcelain | wc -l)
          if [ $_no_changed_files -ne 0 ]; then
            echo "changed=true" >> $GITHUB_OUTPUT
          else
            echo "changed=false" >> $GITHUB_OUTPUT
          fi
      - name: Install plugin itself
        shell: bash
        run: pdm install --plugins
        if: ${{ steps.detect-changes.outputs.changed == 'true' }}
      - name: "Increase dev version"
        shell: bash
        run: pdm bump dev
        if: ${{ steps.detect-changes.outputs.changed == 'true' }}
      - name: Setup Commit message and PR Title
        id: text_formatting
        shell: bash
        run: |
          echo "GIT_PDM_TITLE=chore: Updated ${{ env.PDM_NUMBER_OF_NEW_PACKAGES }} dependencies in pdm.lock" >> $GITHUB_ENV
        if: ${{ steps.detect-changes.outputs.changed == 'true' }}
      - name: Commit and create Pull request
        id: create-pr
        uses: peter-evans/create-pull-request@v5
        if: ${{ steps.detect-changes.outputs.changed == 'true' }}
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          add-paths: |
            pyproject.toml
            pdm.lock
          commit-message: |
            ${{ env.GIT_PDM_TITLE }}

            ${{ env.PDM_UPDATED_PACKAGES_NAMES }}
          committer: ${{ github.repository_owner }} (Github Workflow - Auto update) <${{ github.repository_owner }}@users.noreply.github.com>
          author: ${{ github.repository_owner }} (Github Workflow - Auto update) <${{ github.repository_owner }}@users.noreply.github.com>
          signoff: false
          branch: auto-update/dependencies
          branch-suffix: timestamp
          delete-branch: true
          title: ${{ env.GIT_PDM_TITLE }}
          body: ${{ env.PDM_PACKAGES_TO_UPDATE }}
          assignees: ${{ github.repository_owner }}
          draft: true