Download workflow artifact GitHub Action

An action that downloads and extracts uploaded artifacts associated with a given workflow and commit or other criteria.

Let's suppose you have a workflow with a job in it that at the end uploads an artifact using actions/upload-artifact action and you want to download this artifact in another workflow that is run after the first one. Official actions/download-artifact does not allow this. That's why I decided to create this action. By knowing only the workflow name and commit SHA or other details, you can download the previously uploaded artifact from different workflow associated with that commit or other criteria and use it.

Usage

If commit or pr or branch or run_id or workflow_conclusion is not specified then the artifact from the most recent successfully completed workflow run will be downloaded.

Do not specify pr, commit, branch, run_id together or workflow_conclusion and run_id together. Pick just one of each or none.

- name: Download artifact
  id: download-artifact
  uses: dawidd6/action-download-artifact@v2
  with:
    # Optional, GitHub token, a Personal Access Token with `public_repo` scope if needed
    # Required, if the artifact is from a different repo
    # Required, if the repo is private a Personal Access Token with `repo` scope is needed
    github_token: ${{secrets.GITHUB_TOKEN}}
    # Optional, workflow file name or ID
    # If not specified, will be inferred from run_id (if run_id is specified), or will be the current workflow
    workflow: workflow_name.yml
    # Optional, the status or conclusion of a completed workflow to search for
    # Can be one of a workflow conclusion:
    #   "failure", "success", "neutral", "cancelled", "skipped", "timed_out", "action_required"
    # Or a workflow status:
    #   "completed", "in_progress", "queued"
    # Use the empty string ("") to ignore status or conclusion in the search
    workflow_conclusion: success
    # Optional, will get head commit SHA
    pr: ${{github.event.pull_request.number}}
    # Optional, no need to specify if PR is
    commit: ${{github.event.pull_request.head.sha}}
    # Optional, will use the branch
    branch: master
    # Optional, defaults to all types
    event: push
    # Optional, will use specified workflow run
    run_id: 1122334455
    # Optional, run number from the workflow
    run_number: 34
    # Optional, uploaded artifact name,
    # will download all artifacts if not specified
    # and extract them into respective subdirectories
    # https://github.com/actions/download-artifact#download-all-artifacts
    name: artifact_name
    # Optional, a directory where to extract artifact(s), defaults to the current directory
    path: extract_here
    # Optional, defaults to current repo
    repo: ${{ github.repository }}
    # Optional, check the workflow run to whether it has an artifact
    # then will get the last available artifact from the previous workflow
    # default false, just try to download from the last one
    check_artifacts:  false
    # Optional, search for the last workflow run whose stored an artifact named as in `name` input
    # default false
    search_artifacts: false
    # Optional, choose to skip unpacking the downloaded artifact(s)
    # default false
    skip_unpack: false
    # Optional, choose how to exit the action if no artifact is found
    # can be one of:
    #  "fail", "warn", "ignore"
    # default fail
    if_no_artifact_found: fail