name: Trigger BuildKit build
description: POST a git-commit build to a docker-build-container service and fail the job on HTTP or build errors.
author: lukasdotcom

inputs:
  url:
    description: Build service POST URL (e.g. https://buildkit.example/build)
    required: true
  token:
    description: Build JWT (minted with scripts/mint_token.py)
    required: true
  commit:
    description: Git commit SHA to build (7–40 hex). Required unless files are set.
    required: false
    default: ""
  tags:
    description: Image refs to build and push (newline- or comma-separated)
    required: true
  files:
    description: Newline-separated files to upload (multipart). Each path is both the local file and the context path. JWT must include a matching files claim.
    required: false
    default: ""
  remote:
    description: Registry host for docker image (omit for Docker Hub default on the server)
    required: false
    default: ""
  username:
    description: Registry username
    required: true
  password:
    description: Registry password
    required: true
  repo_username:
    description: Optional git username for private repo clone (with repo_password)
    required: false
    default: ""
  repo_password:
    description: Optional git password or token for private repo clone (with repo_username)
    required: false
    default: ""

runs:
  using: composite
  steps:
    - name: Trigger buildkit build
      shell: bash
      env:
        BUILDKIT_URL: ${{ inputs.url }}
        BUILDKIT_TOKEN: ${{ inputs.token }}
        COMMIT: ${{ inputs.commit }}
        TAGS: ${{ inputs.tags }}
        FILES: ${{ inputs.files }}
        REMOTE: ${{ inputs.remote }}
        USERNAME: ${{ inputs.username }}
        PASSWORD: ${{ inputs.password }}
        REPO_USERNAME: ${{ inputs.repo_username }}
        REPO_PASSWORD: ${{ inputs.repo_password }}
      run: bash "${{ github.action_path }}/scripts/trigger_build.sh"