action.yaml

name: Trunk Compute Impacted Targets For Nx
author: trunk.io
description: Trunk.io Github Action to Compute and Upload Impacted Targets for Nx powered repos

inputs:
  trunk-token:
    description:
      Repo or Organization API token used for authentication. Can be found at app.trunk.io.
    required: false # Required for any workflow not coming from a forked PR.
  target-branch:
    description:
      The branch that the Merge Queue merges PRs into. If unspecified, defaults to the repository's
      default branch.
    required: false
  verbose:
    description: Whether to enable verbose logging. Defaults to false.
    required: false
  workspace-path:
    description: Path to your Nx workspace. If none is provided, will use the root directory.
    required: false
  impact-all-filters-path:
    description:
      A path to a list of filters to identify whether `ALL` impacted targets should be considered.
      See https://github.com/dorny/paths-filter/blob/master/.github/filters.yml for an example. If a
      PR changes files in any of these paths, then *any* PRs queued after this one will depend on
      it.
    required: false
    default: ""

runs:
  using: composite
  steps:
    - name: Install Python
      uses: actions/setup-python@v5
      with:
        python-version: "3.10"

    - name: Install dependencies
      run: pip install requests==2.31.0
      shell: bash

    - name: Detect changed paths
      id: detect-changed-paths
      if: ${{ inputs.impact-all-filters-path != '' }}
      uses: dorny/paths-filter@v2
      with:
        filters: ${{ inputs.impact-all-filters-path }}

    - name: Prerequisites
      id: prerequisites
      run: python ${GITHUB_ACTION_PATH}/src/prerequisites.py
      shell: bash
      env:
        DEFAULT_BRANCH: ${{ github.event.repository.default_branch }}
        TARGET_BRANCH: ${{ inputs.target-branch }}
        PR_BRANCH_HEAD_SHA: ${{ github.event.pull_request.head.sha }}
        IMPACTS_FILTERS_CHANGES: ${{ steps.detect-changed-paths.outputs.changes }}
        VERBOSE: ${{ inputs.verbose }}

    - name: Compute Impacted Targets
      if: ${{ steps.prerequisites.outputs.impacts_all_detected == 'false' }}
      id: compute-impacted-targets
      working-directory: ${{ inputs.workspace-path || '.' }}
      run: python ${GITHUB_ACTION_PATH}/src/compute_impacted_targets.py
      shell: bash
      env:
        MERGE_INSTANCE_BRANCH: ${{ steps.prerequisites.outputs.merge_instance_branch }}
        MERGE_INSTANCE_BRANCH_HEAD_SHA:
          ${{ steps.prerequisites.outputs.merge_instance_branch_head_sha }}
        PR_BRANCH_HEAD_SHA: ${{ github.event.pull_request.head.sha }}
        TRUNK_TOKEN: ${{ inputs.trunk-token }}
        VERBOSE: ${{ inputs.verbose }}

    - name: Upload Impacted Targets
      id: upload-impacted-targets
      working-directory: ${{ inputs.workspace-path || '.' }}
      run: python ${GITHUB_ACTION_PATH}/src/upload_impacted_targets.py
      shell: bash
      env:
        ACTOR: ${{ github.actor }}
        API_TOKEN: ${{ inputs.trunk-token }}
        REPOSITORY: ${{ github.repository }}
        RUN_ID: ${{ github.run_id }}
        IS_FORK: ${{ github.event.pull_request.head.repo.fork }}
        MERGE_INSTANCE_BRANCH: ${{ steps.prerequisites.outputs.merge_instance_branch }}
        PR_NUMBER: ${{ github.event.pull_request.number }}
        PR_BRANCH_HEAD_SHA: ${{ github.event.pull_request.head.sha }}
        TRUNK_TOKEN: ${{ inputs.trunk-token }}
        VERBOSE: ${{ inputs.verbose }}
        IMPACTS_ALL_DETECTED: ${{ steps.prerequisites.outputs.impacts_all_detected }}
        IMPACTED_TARGETS_FILE: ${{ steps.compute-impacted-targets.outputs.impacted_targets_out }}