⚠️ This project is mostly abandoned.

You are probably better using Composite Actions or Reusable workflows.

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actions-includes

Allows including an action inside another action (by preprocessing the YAML file).

Instead of using uses or run in your action step, use the keyword includes.

Once you are using the includes argument, the workflows can be expanded using this tool as follows:

# python -m actions_include <input-workflow-with-includes> <output-workflow-flattened>

python -m actions_includes ./.github/workflows-src/workflow-a.yml ./.github/workflows/workflow-a.yml

Usage with docker

docker container run --rm -it -v $(pwd):/github/workspace --entrypoint="" ghcr.io/mithro/actions-includes/image:main python -m actions_includes ./.github/workflows-src/workflow-a.yml ./.github/workflows/workflow-a.yml

includes: step

steps:
- name: Other step
  run: |
    command

- includes: {action-name}
  with:
    {inputs}

- name: Other step
  run: |
    command

The {action-name} follows the same syntax as the standard GitHub action uses and the action referenced should look exactly like a GitHub "composite action" except runs.using should be includes.

For example;

• {owner}/{repo}@{ref} - Public action in github.com/{owner}/{repo}
• {owner}/{repo}/{path}@{ref} - Public action under {path} in github.com/{owner}/{repo}.
• ./{path} - Local action under local {path}, IE ./.github/actions/{action-name}.

As it only makes sense to reference composite actions, the docker:// form isn't supported.

As you frequently want to include local actions, actions-includes extends the {action-name} syntax to also support:

• /{name} - Local action under ./.github/includes/actions/{name}.

This is how composite actions should have worked.

includes-script:

You can include a script (e.g., a Python or shell script) in your workflow.yml file using the includes-script step.

Example script file: script.py

print('Hello world')

To include the script, reference it in an includes-script action in your workflow.yml, like so:

steps:
- name: Other step
  run: |
    command

- name: Hello
  includes-script: script.py

- name: Other step
  run: |
    command

When the workflow.yml is processed by running python -m actions_includes.py workflow.in.yml workflow.out.yml, the resultant workflow.out.yml looks like this:

steps:
- name: Other step
  run: |
    command

- name: Hello
  shell: python
  run: |
    print('Hello world')

- name: Other step
  run: |
    command

The shell parameter is deduced from the file extension, but it is possible to use a custom shell by setting the shell parameter manually.

Using a pre-commit hook

When you use actions-includes, it may be useful to add a pre-commit hook (see https://git-scm.com/docs/githooks) to your project so that your workflow files are always pre-processed before they reach GitHub.

With a git hooks package

There are multiple packages (notably pre-commit; see https://pre-commit.com/) that support adding pre-commit hooks.

In the case of using the pre-commit package, you can add an entry such as the following to your pre-commit-config.yaml file:

- repo: local
  hooks:
  - id: preprocess-workflows
    name: Preprocess workflow.yml
    entry: python -m actions_includes.py workflow.in.yml workflow.out.yml
    language: system
    always-run: true

Without a git hooks package

Alternatively, to add a pre-commit hook without installing another package, you can simply create or modify .git/hooks/pre-commit (relative to your project root). A sample file typically lives at .git/hooks/pre-commit.sample.

The pre-commit hook should run the commands that are necessary to pre-process your workflows. So, your .git/hooks/pre-commit file might look something like this:

#!/bin/bash

python -m actions_includes.py workflow.in.yml workflow.out.yml || {
    echo "Failed to preprocess workflow file."""
}

To track this script in source code management, you'll have to put it in a non-ignored file in your project that is then copied to .git/hooks/pre-commit as part of your project setup. See https://github.com/ModularHistory/modularhistory for an example of a project that does this with a setup script (setup.sh).