name: setup-postgresql
description: Install and verify PostgreSQL on the GitHub actions runner using a specified version
author: tj-actions
inputs:
  postgresql_version: 
    description: 'Version of PostgreSQL. e.g 15'
    required: true

runs:
  using: 'composite'
  steps:
    - name: Get cache directory
      id: cache-dir
      run: |
        set -x
        if [[ "${{ runner.os }}" == "Linux" ]]; then
          cache_dir="$(apt-cache policy postgresql-${{ inputs.postgresql_version }} | awk '/Filename/ {print $2}')"
        elif [[ "${{ runner.os }}" == "macOS" ]]; then
          cache_dir="$(brew --cache postgresql@${{ inputs.postgresql_version }})"
        elif [[ "${{ runner.os }}" == "Windows" ]]; then
          cache_dir="~\AppData\Local\Temp\chocolatey\postgresql-${{ inputs.postgresql_version }}"
        fi
        echo "cache_dir=$cache_dir" >> "$GITHUB_OUTPUT"
      shell: bash

    - name: Cache
      uses: actions/cache@v3
      with:
        path: ${{ steps.cache-dir.outputs.cache_dir }}
        key: ${{ runner.os }}-postgresql-${{ inputs.postgresql_version }}
        restore-keys: |
          ${{ runner.os }}-postgresql-

    - run: |
        bash $GITHUB_ACTION_PATH/entrypoint.sh
      shell: bash
      env:
        # INPUT_<VARIABLE_NAME> is not available in Composite run steps
        # https://github.community/t/input-variable-name-is-not-available-in-composite-run-steps/127611
        INPUT_POSTGRESQL_VERSION: ${{ inputs.postgresql_version }}
branding:
  icon: hard-drive
  color: white