bump_version.yml

---
name: Bump version
on:
  pull_request_target:
    types: [closed]
jobs:
  build:
    if: github.event.pull_request.merged == true
    runs-on: ubuntu-latest
    steps:
      - name: Checkout master branch
        uses: actions/checkout@master
        with:
          ref: ${{ github.event.pull_request.base.ref }}
      - name: Update changelog
        uses: release-drafter/release-drafter@v5
        id: release-drafter
        with:
          commitish: ${{ github.event.pull_request.base.ref }}
        env:
          GITHUB_TOKEN: ${{ secrets.BP_PAT_TOKEN }}
      - name: Get previous release version
        run: |
          echo "PREV_VER=$(cat pyproject.toml | grep -o -E '(version\s=\s)([[:punct:]])([0-9]+\.[0-9]+\.[0-9]+.+)([[:punct:]])' | cut -d ' ' -f 3 | tr -d '"')" >> $GITHUB_ENV
      - name: Get previous bump version
        env:
          PREV_VER: ${{ env.PREV_VER }}
        run: |
          if [[ "$PREV_VER" != *"-pre."* ]]; then
            echo "OLD_BUMP=0" >> $GITHUB_ENV
          else
            echo "OLD_BUMP=$(echo $PREV_VER | cut -d '.' -f 4)" >> $GITHUB_ENV
          fi
      - name: Bump version
        env:
          BUMP_VER: ${{ env.OLD_BUMP }}
        run: |
          echo "NEW_BUMP=$(($BUMP_VER + 1))" >> $GITHUB_ENV
      - name: Set new release version
        env:
          RD_RELEASE: ${{ steps.release-drafter.outputs.name }}
        run: |
          if [ ! -z "$RD_RELEASE" ]; then
            echo "NEW_RELEASE=$RD_RELEASE" >> $GITHUB_ENV
          else
            echo "NEW_RELEASE=0.1.0" >> $GITHUB_ENV
          fi
      - name: Update version in pyproject.toml
        uses: jacobtomlinson/gha-find-replace@master
        with:
          include: pyproject.toml
          find: version = "(?:([0-9]+\.[0-9]+\.[0-9]+.+)|([0-9]+\.[0-9]+\.[0-9]+))"
          replace: version = "${{ env.NEW_RELEASE }}-pre.${{ env.NEW_BUMP }}"
      - name: Commit updates
        env:
          SNAKEBIDS_VERSION: ${{ env.NEW_RELEASE }}-pre.${{ env.NEW_BUMP }}
        run: |
          git config --local user.email "41898282+github-actions[bot]@users.noreply.github.com"
          git config --local user.name "github-actions[bot]"
          git diff-index --quiet HEAD || git commit -m "Bump version to $SNAKEBIDS_VERSION" -a
      - name: Push changes
        uses: CasperWA/push-protected@v2
        with:
          branch: ${{ github.event.pull_request.base.ref }}
          token: ${{ secrets.BP_PAT_TOKEN }}
          unprotect_reviews: true