[EASI-2838] Help article: 2-pager meeting #704
Workflow file for this run
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| # This GitHub action checks for duplicate migration prefixes in the ./migrations folder, | |
| # comparing the head branch with the base branch. | |
| name: Check Migrations | |
| on: | |
| pull_request: | |
| types: [opened, synchronize] | |
| jobs: | |
| check_migrations: | |
| runs-on: ubuntu-latest | |
| steps: | |
| - name: Checkout all | |
| uses: actions/checkout@v3 | |
| with: | |
| fetch-depth: 0 | |
| - name: Fetch base branch | |
| run: | | |
| echo "Fetching the latest version of the BASE branch '${{ github.event.pull_request.base.ref }}'" | |
| git fetch --no-tags origin "${{ github.event.pull_request.base.ref }}:${{ github.event.pull_request.base.ref }}" | |
| - name: Fetch head branch | |
| run: | | |
| echo "Fetching the latest version of the HEAD branch '${{ github.event.pull_request.head.ref }}'" | |
| git fetch --no-tags origin "${{ github.event.pull_request.head.ref }}:${{ github.event.pull_request.head.ref }}" | |
| - name: Gather migration files from base branch | |
| run: | | |
| echo "Gathering ./migrations/ files from base branch '${{ github.event.pull_request.base.ref }}'" | |
| BASE_FILES=$(git ls-tree --name-only "${{ github.event.pull_request.base.ref }}" -- ./migrations/) | |
| echo "BASE files:" | |
| echo "${BASE_FILES}" | |
| # We need to format $MIGRATION_BASE_FILES as a heredoc so that we can use it in the next step | |
| echo "MIGRATION_BASE_FILES<<EOF" >> ${GITHUB_ENV} | |
| echo "${BASE_FILES}" >> ${GITHUB_ENV} | |
| echo "EOF" >> ${GITHUB_ENV} | |
| - name: Gather changed migration files from head branch | |
| run: | | |
| echo "Comparing head branch '${{ github.event.pull_request.head.ref }}' with base branch '${{ github.event.pull_request.base.ref }}'" | |
| echo "Gathering ./migrations/ file changes from head branch '${{ github.event.pull_request.head.ref }}'" | |
| HEAD_MIGRATION_FILES=$(git diff --name-only --diff-filter=A "${{ github.event.pull_request.base.ref }}" "${{ github.event.pull_request.head.ref }}" -- ./migrations/) | |
| echo "HEAD changed files:" | |
| echo "${HEAD_MIGRATION_FILES}" | |
| # We need to format $MIGRATION_HEAD_FILES as a heredoc so that we can use it in the next step | |
| echo "MIGRATION_HEAD_FILES<<EOF" >> ${GITHUB_ENV} | |
| echo "${HEAD_MIGRATION_FILES}" >> ${GITHUB_ENV} | |
| echo "EOF" >> ${GITHUB_ENV} | |
| - name: Extracting prefixes from head branch | |
| run: | | |
| HEAD_PREFIXES=$(echo "${{ env.MIGRATION_HEAD_FILES }}" | awk -F'__' '{print $1}') | |
| echo "HEAD prefixes: '${HEAD_PREFIXES}'" | |
| echo "MIGRATION_HEAD_PREFIXES<<EOF" >> ${GITHUB_ENV} | |
| echo "${HEAD_PREFIXES}" >> ${GITHUB_ENV} | |
| echo "EOF" >> ${GITHUB_ENV} | |
| - name: Extracting prefixes from base branch | |
| run: | | |
| BASE_PREFIXES=$(echo "${{ env.MIGRATION_BASE_FILES }}" | awk -F'__' '{print $1}') | |
| echo "BASE prefixes: '${BASE_PREFIXES}'" | |
| echo "MIGRATION_BASE_PREFIXES<<EOF" >> $GITHUB_ENV | |
| echo "${BASE_PREFIXES}" >> $GITHUB_ENV | |
| echo "EOF" >> $GITHUB_ENV | |
| - name: Check for duplicate prefixes | |
| run: | | |
| DUPLICATES=$(echo "${{ env.MIGRATION_HEAD_PREFIXES }} ${{ env.MIGRATION_BASE_PREFIXES }}" | tr ' ' '\n' | sort | uniq -d) | |
| if [ -n "${DUPLICATES}" ]; then | |
| echo "Duplicate migration prefixes found: ${DUPLICATES}" | |
| exit 1 | |
| fi | |
| echo "No duplicate migration prefixes found, you're good to go!" |