mergify.yml

---
pull_request_rules:

  # ===============================================================================
  # DEPENDABOT
  # ===============================================================================

  - name: Automatic Merge for Dependabot Minor Version Pull Requests
    conditions:
      - -draft
      - author~=^dependabot(|-preview)\[bot\]$
      - check-success='test (1.19.x, ubuntu-latest)'
      - check-success='Analyze (go)'
    actions:
      review:
        type: APPROVE
        message: Automatically approving dependabot pull request
      merge:
        method: merge

  # ===============================================================================
  # AUTOMATIC MERGE (APPROVALS)
  # ===============================================================================

  - name: Automatic Merge ⬇️ on Approval ✔
    conditions:
      - "#approved-reviews-by>=1"
      - "#review-requested=0"
      - "#changes-requested-reviews-by=0"
      - check-success='test (1.19.x, ubuntu-latest)'
      - check-success='Analyze (go)'
      - -title~=(?i)wip
      - label!=work-in-progress
      - -draft
    actions:
      merge:
        method: merge

  # ===============================================================================
  # AUTHOR
  # ===============================================================================

  - name: Auto-Assign Author
    conditions:
      - "#assignee=0"
    actions:
      assign:
        users: ["arkadiuszos4chain"]

  # ===============================================================================
  # ALERTS
  # ===============================================================================

  - name: Notify on merge
    conditions:
      - merged
      - label=automerge
    actions:
      comment:
        message: "✅ @{{author}}: **{{title}}** has been merged successfully."
  - name: Alert on merge conflict
    conditions:
      - conflict
      - label=automerge
    actions:
      comment:
        message: "🆘 @{{author}}: `{{head}}` has conflicts with `{{base}}` that must be resolved."
  - name: Alert on tests failure for automerge
    conditions:
      - label=automerge
      - status-failure=commit
    actions:
      comment:
        message: "🆘 @{{author}}: unable to merge due to CI failure."

  # ===============================================================================
  # LABELS
  # ===============================================================================
  # Automatically add labels when PRs match certain patterns
  #
  # NOTE:
  # - single quotes for regex to avoid accidental escapes
  # - Mergify leverages Python regular expressions to match rules.
  #
  # Semantic commit messages
  # - chore:     updating grunt tasks etc.; no production code change
  # - docs:      changes to the documentation
  # - feat:      feature or story
  # - feature:   new feature or story
  # - fix:       bug fix for the user, not a fix to a build script
  # - idea:      general idea or suggestion
  # - question:  question regarding code
  # - test:      test related changes
  # - wip:       work in progress PR
  # ===============================================================================

  - name: Work in Progress
    conditions:
      - "head~=(?i)^wip"  # if the PR branch starts with wip/
    actions:
      label:
        add: ["work-in-progress"]
  - name: Hotfix label
    conditions:
      - "head~=(?i)^hotfix"  # if the PR branch starts with hotfix/
    actions:
      label:
        add: ["hot-fix"]
  - name: Bug / Fix label
    conditions:
      - "head~=(?i)^(bug)?fix"  # if the PR branch starts with (bug)?fix/
    actions:
      label:
        add: ["bug-P3"]
  - name: Documentation label
    conditions:
      - "head~=(?i)^docs"  # if the PR branch starts with docs/
    actions:
      label:
        add: ["documentation"]
  - name: Feature label
    conditions:
      - "head~=(?i)^feat(ure)?"  # if the PR branch starts with feat(ure)?/
    actions:
      label:
        add: ["feature"]
  - name: Chore label
    conditions:
      - "head~=(?i)^chore"  # if the PR branch starts with chore/
    actions:
      label:
        add: ["update"]
  - name: Question label
    conditions:
      - "head~=(?i)^question"  # if the PR branch starts with question/
    actions:
      label:
        add: ["question"]
  - name: Test label
    conditions:
      - "head~=(?i)^test"  # if the PR branch starts with test/
    actions:
      label:
        add: ["test"]
  - name: Idea label
    conditions:
      - "head~=(?i)^idea"  # if the PR branch starts with idea/
    actions:
      label:
        add: ["idea"]

  # ===============================================================================
  # CONTRIBUTORS
  # ===============================================================================

  - name: Welcome New Contributors
    conditions:
      - and:
          - author!=dependabot[bot]
          - author!=mergify[bot]
          - author!=allcontributors[bot]
          - author!=mrz1836
          - author!=icellan
          - author!=galt-tr
          - author!=klar
          - author!=vitalibalashka
          - author!=wregulski
          - author!=dorzepowski
          - author!=arkadiuszos4chain
    actions:
      comment:
        message: "Welcome to our open-source project @{{author}}! 💘"

  # ===============================================================================
  # STALE BRANCHES
  # ===============================================================================

  - name: Close stale pull request
    conditions:
      - base=master
      - -closed
      - updated-at<21 days ago
    actions:
      close:
        message: |
          This pull request looks stale. Feel free to reopen it if you think it's a mistake.
      label:
        add: ["stale"]

  # ===============================================================================
  # BRANCHES
  # ===============================================================================

  - name: Delete head branch after merge
    conditions:
      - merged
    actions:
      delete_head_branch: