action.yml

name: 'Install PocketIC server'
description: 'Install the PocketIC server at a particular version'
inputs:
  pocket-ic-server-version:
    description: >
      The PocketIC server version to install.
      If omitted, the latest version will be installed.
    default: '13.0.0'

runs:
  using: composite
  steps:
    - name: Install PocketIC server
      shell: bash
      run: |
        export POCKET_IC_VERSION="${{ inputs.pocket-ic-server-version }}"

        echo "POCKET_IC_VERSION is $POCKET_IC_VERSION"

        if [ "${{ runner.os }}" = 'Linux' ]; then
          export OS="linux"
        elif [ "${{ runner.os }}" = 'macOS' ]; then
          export OS="darwin"
        else
          echo "Unsupported OS."
          exit 1
        fi

        if [ "${{ runner.arch }}" = 'X64' ]; then
          export ARCH="x86_64"
        elif [ "${{ runner.arch }}" = 'ARM64' ]; then
          export ARCH="arm64"
        else
          echo "Unsupported CPU architecture."
          exit 1
        fi

        # if `${POCKET_IC_VERSION}` is a git hash, then use CDN;
        # otherwise use a GitHub release.
        if [[ "${POCKET_IC_VERSION}" =~ ^[0-9a-f]{40,40}$ ]]; then
          URL="https://download.dfinity.systems/ic/${POCKET_IC_VERSION}/binaries/${ARCH}-${OS}/pocket-ic.gz"
        else
          URL="https://github.com/dfinity/pocketic/releases/download/${POCKET_IC_VERSION}/pocket-ic-${ARCH}-${OS}.gz"
        fi

        echo "OS is $OS"
        echo "ARCH is $ARCH"
        echo "URL is $URL"

        # Retry up to 10 times. Each attempt has 20 seconds total to complete, 5 seconds of which is to connect.
        # This uses the default retry delay, which starts at 1s and doubles each time, up to 10 min.
        if $(curl --fail --silent --show-error --location --retry 10 --connect-timeout 5 --max-time 20 --retry-connrefused "${URL}" -o pocket-ic.gz); then
          echo "Successfully downloaded PocketIC server."
        else
          echo "Failed to download PocketIC server."
          exit 1
        fi

        gzip -d pocket-ic.gz
        chmod +x pocket-ic

        export POCKET_IC_BIN="$(pwd)/pocket-ic"
        echo "POCKET_IC_BIN=$POCKET_IC_BIN" >> $GITHUB_ENV