release.yml

name: Release
# creates a draft release if there is a push to main/ that changes "version" in /dbt_project.yml
# user must manually publish the release and check the latest release option

on:
  push:
    branches:
      - main
    paths:
      - 'dbt_project.yml'

jobs:
  create-draft:
    runs-on: ubuntu-latest
    permissions:
      contents: write
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Install yq
        run: |
          sudo wget https://github.com/mikefarah/yq/releases/latest/download/yq_linux_amd64 -O /usr/bin/yq
          sudo chmod +x /usr/bin/yq

      - name: Check version change
        id: check_version
        run: |
          NEW_VERSION=$(yq '.version' dbt_project.yml)
          OLD_VERSION=$(git show HEAD^:dbt_project.yml | yq '.version')

          echo "NEW: $NEW_VERSION"
          echo "OLD: $OLD_VERSION"

          if [ "$NEW_VERSION" != "$OLD_VERSION" ]; then
            echo "changed=true" >> $GITHUB_OUTPUT
            echo "version=$NEW_VERSION" >> $GITHUB_OUTPUT
          else
            echo "changed=false" >> $GITHUB_OUTPUT
          fi

      - name: Create Tag
        if: steps.check_version.outputs.changed == 'true'
        run: |
          git tag v${{ steps.check_version.outputs.version }}
          git push origin v${{ steps.check_version.outputs.version }}

      - name: Create Draft Release
        if: steps.check_version.outputs.changed == 'true'
        uses: softprops/action-gh-release@v1
        with:
          tag_name: v${{ steps.check_version.outputs.version }}
          name: the_tuva_project v${{ steps.check_version.outputs.version }}
          draft: true
          prerelease: false
          generate_release_notes: true