discourse/lib/chrome_installed_checker.rb

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# frozen_string_literal: true
require "rbconfig"
class ChromeInstalledChecker
class ChromeNotInstalled < StandardError; end
class ChromeVersionTooLow < StandardError; end
def self.run
if RbConfig::CONFIG['host_os'][/darwin|mac os/]
binary = "/Applications/Google\ Chrome.app/Contents/MacOS/Google\ Chrome"
elsif system("command -v google-chrome-stable >/dev/null;")
binary = "google-chrome-stable"
end
binary ||= "google-chrome" if system("command -v google-chrome >/dev/null;")
if !binary
raise ChromeNotInstalled.new("Chrome is not installed. Download from https://www.google.com/chrome/browser/desktop/index.html")
end
if Gem::Version.new(`\"#{binary}\" --version`.match(/[\d\.]+/)[0]) < Gem::Version.new("59")
raise ChromeVersionTooLow.new("Chrome 59 or higher is required")
end
end
end