Rename `run` task helper method to prevent conflict with StateMachine

This prevents the following message from appearing whenever running a
Rake task:

    Instance method "run" is already defined in Object, use generic
    helper instead or set StateMachines::Machine.ignore_method_conflicts
    = true.

lib/tasks/gitlab/check.rake

@@ -46,7 +46,7 @@ namespace :gitlab do
       }
 
       correct_options = options.map do |name, value|
-        run(%W(#{Gitlab.config.git.bin_path} config --global --get #{name})).try(:squish) == value
+        run_command(%W(#{Gitlab.config.git.bin_path} config --global --get #{name})).try(:squish) == value
       end
 
       if correct_options.all?
@@ -316,7 +316,7 @@ namespace :gitlab do
       min_redis_version = "2.8.0"
       print "Redis version >= #{min_redis_version}? ... "
 
-      redis_version = run(%W(redis-cli --version))
+      redis_version = run_command(%W(redis-cli --version))
       redis_version = redis_version.try(:match, /redis-cli (\d+\.\d+\.\d+)/)
       if redis_version &&
           (Gem::Version.new(redis_version[1]) > Gem::Version.new(min_redis_version))
@@ -893,7 +893,7 @@ namespace :gitlab do
 
   def check_ruby_version
     required_version = Gitlab::VersionInfo.new(2, 1, 0)
-    current_version = Gitlab::VersionInfo.parse(run(%W(ruby --version)))
+    current_version = Gitlab::VersionInfo.parse(run_command(%W(ruby --version)))
 
     print "Ruby version >= #{required_version} ? ... "
 
@@ -910,7 +910,7 @@ namespace :gitlab do
 
   def check_git_version
     required_version = Gitlab::VersionInfo.new(2, 7, 3)
-    current_version = Gitlab::VersionInfo.parse(run(%W(#{Gitlab.config.git.bin_path} --version)))
+    current_version = Gitlab::VersionInfo.parse(run_command(%W(#{Gitlab.config.git.bin_path} --version)))
 
     puts "Your git bin path is \"#{Gitlab.config.git.bin_path}\""
     print "Git version >= #{required_version} ? ... "

lib/tasks/gitlab/info.rake

@@ -8,7 +8,7 @@ namespace :gitlab do
       # check Ruby version
       ruby_version = run_and_match(%W(ruby --version), /[\d\.p]+/).try(:to_s)
       # check Gem version
-      gem_version = run(%W(gem --version))
+      gem_version = run_command(%W(gem --version))
       # check Bundler version
       bunder_version = run_and_match(%W(bundle --version), /[\d\.]+/).try(:to_s)
       # check Bundler version
@@ -17,7 +17,7 @@ namespace :gitlab do
       puts ""
       puts "System information".color(:yellow)
       puts "System:\t\t#{os_name || "unknown".color(:red)}"
-      puts "Current User:\t#{run(%W(whoami))}"
+      puts "Current User:\t#{run_command(%W(whoami))}"
       puts "Using RVM:\t#{rvm_version.present? ? "yes".color(:green) : "no"}"
       puts "RVM Version:\t#{rvm_version}" if rvm_version.present?
       puts "Ruby Version:\t#{ruby_version || "unknown".color(:red)}"

lib/tasks/gitlab/task_helpers.rake

@@ -23,7 +23,7 @@ namespace :gitlab do
   # It will primarily use lsb_relase to determine the OS.
   # It has fallbacks to Debian, SuSE, OS X and systems running systemd.
   def os_name
-    os_name = run(%W(lsb_release -irs))
+    os_name = run_command(%W(lsb_release -irs))
     os_name ||= if File.readable?('/etc/system-release')
                   File.read('/etc/system-release')
                 end
@@ -34,7 +34,7 @@ namespace :gitlab do
     os_name ||= if File.readable?('/etc/SuSE-release')
                   File.read('/etc/SuSE-release')
                 end
-    os_name ||= if os_x_version = run(%W(sw_vers -productVersion))
+    os_name ||= if os_x_version = run_command(%W(sw_vers -productVersion))
                   "Mac OS X #{os_x_version}"
                 end
     os_name ||= if File.readable?('/etc/os-release')
@@ -62,10 +62,10 @@ namespace :gitlab do
   # Returns nil if nothing matched
   # Returns the MatchData if the pattern matched
   #
-  # see also #run
+  # see also #run_command
   # see also String#match
   def run_and_match(command, regexp)
-    run(command).try(:match, regexp)
+    run_command(command).try(:match, regexp)
   end
 
   # Runs the given command
@@ -74,7 +74,7 @@ namespace :gitlab do
   # Returns the output of the command otherwise
   #
   # see also #run_and_match
-  def run(command)
+  def run_command(command)
     output, _ = Gitlab::Popen.popen(command)
     output
   rescue Errno::ENOENT
@@ -82,7 +82,7 @@ namespace :gitlab do
   end
 
   def uid_for(user_name)
-    run(%W(id -u #{user_name})).chomp.to_i
+    run_command(%W(id -u #{user_name})).chomp.to_i
   end
 
   def gid_for(group_name)
@@ -96,7 +96,7 @@ namespace :gitlab do
   def warn_user_is_not_gitlab
     unless @warned_user_not_gitlab
       gitlab_user = Gitlab.config.gitlab.user
-      current_user = run(%W(whoami)).chomp
+      current_user = run_command(%W(whoami)).chomp
       unless current_user == gitlab_user
         puts " Warning ".color(:black).background(:yellow)
         puts "  You are running as user #{current_user.color(:magenta)}, we hope you know what you are doing."

lib/tasks/spinach.rake

@@ -34,17 +34,15 @@ task :spinach do
   run_spinach_tests(nil)
 end
 
-def run_command(cmd)
+def run_system_command(cmd)
   system({'RAILS_ENV' => 'test', 'force' => 'yes'}, *cmd)
 end
 
 def run_spinach_command(args)
-  run_command(%w(spinach -r rerun) + args)
+  run_system_command(%w(spinach -r rerun) + args)
 end
 
 def run_spinach_tests(tags)
-  #run_command(%w(rake gitlab:setup)) or raise('gitlab:setup failed!')
-
   success = run_spinach_command(%W(--tags #{tags}))
   3.times do |_|
     break if success