name: "GitHub Slug Action"
description: "GitHub Action to expose slug value of environment variables inside your GitHub workflow"
author: "Romain Lespinasse"
branding:
  icon: "minimize"
  color: "blue"
inputs:
  prefix:
    description: "Value to prepend to each generated variable"
    default: ""
    required: false
  slug-maxlength:
    description: "Max length of the slugified values"
    default: "63"
    required: true
  short-length:
    description: "Length of the shortify values (git default if empty)"
    required: false
runs:
  using: "composite"
  steps:
    - run: $GITHUB_ACTION_PATH/preflight.sh
      id: prefligth
      shell: bash
      env:
        INPUT_SLUG_MAXLENGTH: ${{ inputs.slug-maxlength }}
        INPUT_SHORT_LENGTH: ${{ inputs.short-length }}

    # From Environment Variables, Specific values and Calculated values
    # Consolidated into a single step to avoid the runner printing a
    # repeated "env:" dump for every shell run step (see issue #161).
    - run: $GITHUB_ACTION_PATH/slugify-env.sh
      id: slugify-env
      shell: bash
      env:
        INPUT_PREFIX: ${{ inputs.prefix }}
        INPUT_SLUG_MAXLENGTH: ${{ inputs.slug-maxlength }}
        INPUT_GITHUB_REPOSITORY: ${{ github.repository }}
        INPUT_GITHUB_EVENT_REF: ${{ github.event.ref }}
        INPUT_GITHUB_REF_NAME: ${{ github.ref_name }}
        GITHUB_HEAD_REF: ${{ github.head_ref }}

    # From sha
    - uses: rlespinasse/shortify-git-revision@c90ba7007ef6c152254d10b9f1a327966ab13077 # v1.6.0
      with:
        name: GITHUB_SHA
        short-on-error: true
        length: ${{ steps.prefligth.outputs.PREFLIGHT_SHORT_LENGTH }}
        prefix: ${{ inputs.prefix }}
    - uses: rlespinasse/shortify-git-revision@c90ba7007ef6c152254d10b9f1a327966ab13077 # v1.6.0
      with:
        name: GITHUB_EVENT_PULL_REQUEST_HEAD_SHA
        revision: ${{ github.event.pull_request.head.sha }}
        short-on-error: true
        length: ${{ steps.prefligth.outputs.PREFLIGHT_SHORT_LENGTH }}
        prefix: ${{ inputs.prefix }}