Bash script to download the Selenium Manager binary for AMD64 Linux

download_selenium_manager_local.sh

#!/usr/bin/env bash
#
# This script downloads the latest stable version of the `selenium-manager` binary
# for Linux (AMD64) from `https://github.com/SeleniumHQ/selenium_manager_artifacts/releases`
#
# When you run this script, it will download the binary to the current working directory.

if [ !  "$(uname -s)" == "Linux" ]; then
  echo "this script only works on Linux"
  exit 1
fi

sel_mgr_bin="selenium-manager"
sel_build_url="https://github.com/SeleniumHQ/selenium/blob/trunk/common/selenium_manager.bzl"

sel_mgr_url=$(
    curl ${sel_build_url} 2>/dev/null | \
          grep -oE "url = .*?${sel_mgr_bin}-linux" | \
          cut -d= -f2 | cut -c4-
)

wget ${sel_mgr_url} -O ${sel_mgr_bin} 2>/dev/null
if [ $? -ne 0 ]; then
    echo "error downloading ${sel_mgr_bin} from ${sel_mgr_url}"
    exit 1
fi

if [ -f "${sel_mgr_bin}" ]; then
    chmod +x ${sel_mgr_bin}
    echo "downloaded binary: ${sel_mgr_bin}"
else
    echo "oops... can't find the binary"
    exit 1
fi