action.yml

name: 'Setup Git User'
description: 'Configure Git with GPG signing, SSH keys, and optional GitHub token for automated CI/CD environments.'
author: 'Llewellyn van der Merwe'

branding:
  icon: 'git-commit'
  color: 'gray-dark'

inputs:
  gpg-key:
    description: 'ASCII-armored GPG private key for commit/tag signing'
    required: true
  gpg-user:
    description: 'GPG user ID (name or email) to locate the signing key'
    required: true
  ssh-key:
    description: 'SSH private key content for git push/pull'
    required: true
  ssh-pub:
    description: 'SSH public key content (must match the private key)'
    required: true
  git-user:
    description: 'Git commit author name'
    required: true
  git-email:
    description: 'Git commit author email'
    required: true
  git-token:
    description: 'GitHub personal access token (stored for CLI use)'
    required: false
    default: ''
  ssh-type:
    description: 'SSH key type: ed25519, rsa, or ecdsa'
    required: false
    default: 'ed25519'
  ssh-host:
    description: 'SSH host to configure (e.g. github.com, gitlab.com)'
    required: false
    default: 'github.com'
  force:
    description: 'Overwrite an existing configuration for a different user'
    required: false
    default: 'false'

runs:
  using: 'composite'
  steps:
    - name: Setup Git User
      shell: bash
      env:
        INPUT_GPG_KEY: ${{ inputs.gpg-key }}
        INPUT_GPG_USER: ${{ inputs.gpg-user }}
        INPUT_SSH_KEY: ${{ inputs.ssh-key }}
        INPUT_SSH_PUB: ${{ inputs.ssh-pub }}
        INPUT_GIT_USER: ${{ inputs.git-user }}
        INPUT_GIT_EMAIL: ${{ inputs.git-email }}
        INPUT_GIT_TOKEN: ${{ inputs.git-token }}
        INPUT_SSH_TYPE: ${{ inputs.ssh-type }}
        INPUT_SSH_HOST: ${{ inputs.ssh-host }}
        INPUT_FORCE: ${{ inputs.force }}
      run: |
        chmod +x "${GITHUB_ACTION_PATH}/src/setup.sh"

        # Build the argument list. Required args are always passed.
        # Optional args are only passed when non-empty, so the action
        # works with both the original and updated versions of setup.sh.
        args=(
          --gpg-key "${INPUT_GPG_KEY}"
          --gpg-user "${INPUT_GPG_USER}"
          --ssh-key "${INPUT_SSH_KEY}"
          --ssh-pub "${INPUT_SSH_PUB}"
          --git-user "${INPUT_GIT_USER}"
          --git-email "${INPUT_GIT_EMAIL}"
        )

        [[ -n "${INPUT_GIT_TOKEN}" ]] && args+=(--git-token "${INPUT_GIT_TOKEN}")
        [[ -n "${INPUT_SSH_TYPE}" ]]  && args+=(--ssh-type "${INPUT_SSH_TYPE}")
        [[ -n "${INPUT_SSH_HOST}" ]]  && args+=(--ssh-host "${INPUT_SSH_HOST}")
        [[ "${INPUT_FORCE}" == "true" ]] && args+=(--force)

        "${GITHUB_ACTION_PATH}/src/setup.sh" "${args[@]}"