name: Deploy to pages mount
description: >-
  rsync a built directory into the host /pages mount that nginx serves.
  Pure shell — depends on no marketplace actions.

inputs:
  source:
    description: Source directory whose *contents* are synced (a trailing slash is added automatically).
    required: true
  target:
    description: Subdirectory under /pages to deploy into, e.g. "photos" -> /pages/photos.
    required: true
  delete:
    description: Delete files in the target that are absent from the source ("true"/"false").
    default: "true"

runs:
  using: composite
  steps:
    - name: rsync to /pages
      shell: bash
      env:
        SOURCE: ${{ inputs.source }}
        TARGET: ${{ inputs.target }}
        DELETE: ${{ inputs.delete }}
      run: |
        set -euo pipefail
        command -v rsync >/dev/null 2>&1 || { apt-get update && apt-get install -y --no-install-recommends rsync; }
        del=""
        [ "$DELETE" = "true" ] && del="--delete"
        # Trailing slash on the source => copy its contents, not the dir itself.
        src="${SOURCE%/}/"
        rsync -a $del --mkpath "$src" "/pages/${TARGET}/"