util.rb in puppetfile-resolver-0.6.0

- old
+ new

@@ -1,7 +1,9 @@
 # frozen_string_literal: true
 
+require 'open3'
+
 module PuppetfileResolver
   module Util
     def self.symbolise_object(object)
       case # rubocop:disable Style/EmptyCaseCondition Ignore
       when object.is_a?(Hash)
@@ -40,8 +42,25 @@
         start_args.concat([proxy.host, proxy.port, proxy.user, proxy.password])
       end
 
       Net::HTTP.start(*start_args, http_options) { |http| return http.request(Net::HTTP::Get.new(uri)) }
       nil
+    end
+
+    # @summary runs the command on the shell
+    # @param cmd [Array] an array of command and args
+    # @returns [Array] the result of running the comand and the process
+    # @example run_command(['git', '--version'])
+    def self.run_command(cmd)
+      Open3.capture3(*cmd)
+    end
+
+    # @summary checks if git is installed and on the path
+    # @returns [Boolean] true if git is found in the path
+    def self.git?
+      Open3.capture3('git', '--version')
+      true
+    rescue Errno::ENOENT
+      false
     end
   end
 end