Make Homebrew the default Mas installation method

Homebrew is now explicitly stated as the prefered installation
method for Mas, so let's adhere to that recommendation while also
making reattach-to-user-namespace and mac-app-store have the same
defaults.

.kitchen.yml

@@ -19,5 +19,3 @@ suites:
         apps:
           Microsoft Remote Desktop: true
           White Noise Free: true
-        mas:
-          version: 1.3.1

CHANGELOG.md

@@ -8,6 +8,7 @@ Unreleased
 - Remove all system_user attributes and properties
 - Respect a version property in mac_app_store_mas::install
 - Raise an error if trying to use Mas before it's installed
+- Make Homebrew the default Mas installation method
 
 v2.1.0 (2016-06-08)
 -------------------

README.md

@@ -54,8 +54,8 @@ and value is true to install it or false to not. For example:
 
     default['mac_app_store']['apps']['Growl'] = true
 
-Mas can be installed via GitHub download (`:direct`, the default) or from
-`:homebrew`.
+Mas can be installed via Homebrew (`:homebrew`, the default) or GitHub
+download (`:direct`).
 
     default['mac_app_store']['mas']['source'] = nil
 
@@ -102,7 +102,7 @@ Properties:
 
 | Property    | Default               | Description                                    |
 |-------------|-----------------------|------------------------------------------------|
-| source      | `:direct`             | Install from GitHub (`:direct`) or `:homebrew` |
+| source      | `:homebrew`           | Install from `:homebrew` or GitHub (`:direct`) |
 | version     | `nil`                 | The version of Mas to install                  |
 | username    | `nil`                 | An Apple ID username                           |
 | password    | `nil`                 | An Apple ID password                           |

libraries/resource_mac_app_store_mas.rb

@@ -36,13 +36,14 @@ class MacAppStoreMas < Resource
       provides :mac_app_store_mas, platform_family: 'mac_os_x'
 
       #
-      # The method of installation for Mas, either :direct (GitHub) or :homebrew
+      # The method of installation for Mas, either :homebrew or :direct
+      # (GitHub).
       #
       property :source,
                Symbol,
                coerce: proc { |v| v.to_sym },
-               equal_to: %i(direct homebrew),
-               default: :direct
+               equal_to: %i(homebrew direct),
+               default: :homebrew
 
       #
       # Optionally specify a version of Mas to install.
@@ -88,6 +89,9 @@ class MacAppStoreMas < Resource
       #
       action :install do
         case new_resource.source
+        when :homebrew
+          include_recipe 'homebrew'
+          homebrew_package 'mas'
         when :direct
           return if current_resource && \
                     (new_resource.version.nil? || \
@@ -103,9 +107,6 @@ class MacAppStoreMas < Resource
           execute 'Extract Mas-CLI zip file' do
             command "unzip -d /usr/local/bin/ -o #{path}"
           end
-        when :homebrew
-          include_recipe 'homebrew'
-          homebrew_package 'mas'
         end
       end
 
@@ -115,6 +116,9 @@ class MacAppStoreMas < Resource
       #
       action :upgrade do
         case new_resource.source
+        when :homebrew
+          include_recipe 'homebrew'
+          homebrew_package('mas') { action :upgrade }
         when :direct
           ver = new_resource.version || \
                 MacAppStore::Helpers::Mas.latest_version?
@@ -128,25 +132,22 @@ class MacAppStoreMas < Resource
           execute 'Extract Mas-CLI zip file' do
             command "unzip -d /usr/local/bin/ -o #{path}"
           end
-        when :homebrew
-          include_recipe 'homebrew'
-          homebrew_package('mas') { action :upgrade }
         end
       end
 
       #
-      # Uninstall Mas by either deleting the file or removing the Homebrew
-      # package.
+      # Uninstall Mas by either removing the Homebrew package or deleting the
+      # file.
       #
       action :remove do
         return unless current_resource
 
         case new_resource.source
-        when :direct
-          file('/usr/local/bin/mas') { action :delete }
         when :homebrew
           include_recipe 'homebrew'
           homebrew_package('mas') { action :remove }
+        when :direct
+          file('/usr/local/bin/mas') { action :delete }
         end
       end
 

spec/resources/mac_app_store_mas.rb

@@ -49,6 +49,7 @@
   end
 
   before(:each) do
+    stub_command('which git').and_return('/usr/bin/git')
   end
 
   shared_context 'the :install action' do
@@ -85,14 +86,11 @@
   end
 
   shared_context 'an overridden source property' do
-    let(:source) { :homebrew }
-
-    before do
-      stub_command('which git').and_return('/usr/bin/git')
-    end
+    let(:source) { :direct }
   end
 
-  shared_context 'an overridden version property' do
+  shared_context 'an overridden source and version property' do
+    let(:source) { :direct }
     let(:version) { '0.1.0' }
   end
 

spec/resources/mac_app_store_mas/mac_os_x.rb

@@ -20,32 +20,24 @@
         context 'not already installed' do
           include_context description
 
-          it 'downloads mas-cli.zip from GitHub' do
-            expect(chef_run).to create_remote_file(
-              "#{Chef::Config[:file_cache_path]}/mas-cli.zip"
-            ).with(source: 'https://github.com/mas-cli/mas/releases/download/' \
-                           'v1.3.0/mas-cli.zip')
+          it 'includes the homebrew default recipe' do
+            expect(chef_run).to include_recipe('homebrew')
           end
 
-          it 'unzips mas-cli.zip into place' do
-            expect(chef_run).to run_execute('Extract Mas-CLI zip file').with(
-              command: 'unzip -d /usr/local/bin/ -o ' \
-                       "#{Chef::Config[:file_cache_path]}/mas-cli.zip"
-            )
+          it 'installs Mas via Homebrew' do
+            expect(chef_run).to install_homebrew_package('mas')
           end
         end
 
         context 'already installed' do
           include_context description
 
-          it 'does not download mas-cli.zip from GitHub' do
-            expect(chef_run).to_not create_remote_file(
-              "#{Chef::Config[:file_cache_path]}/mas-cli.zip"
-            )
+          it 'includes the homebrew default recipe' do
+            expect(chef_run).to include_recipe('homebrew')
           end
 
-          it 'does not unzip mas-cli.zip into place' do
-            expect(chef_run).to_not run_execute('Extract Mas-CLI zip file')
+          it 'installs Mas via Homebrew' do
+            expect(chef_run).to install_homebrew_package('mas')
           end
         end
       end
@@ -56,29 +48,37 @@
         context 'not already installed' do
           include_context description
 
-          it 'includes the homebrew default recipe' do
-            expect(chef_run).to include_recipe('homebrew')
+          it 'downloads mas-cli.zip from GitHub' do
+            expect(chef_run).to create_remote_file(
+              "#{Chef::Config[:file_cache_path]}/mas-cli.zip"
+            ).with(source: 'https://github.com/mas-cli/mas/releases/download/' \
+                           'v1.3.0/mas-cli.zip')
           end
 
-          it 'installs Mas via Homebrew' do
-            expect(chef_run).to install_homebrew_package('mas')
+          it 'unzips mas-cli.zip into place' do
+            expect(chef_run).to run_execute('Extract Mas-CLI zip file').with(
+              command: 'unzip -d /usr/local/bin/ -o ' \
+                       "#{Chef::Config[:file_cache_path]}/mas-cli.zip"
+            )
           end
         end
 
         context 'already installed' do
           include_context description
 
-          it 'includes the homebrew default recipe' do
-            expect(chef_run).to include_recipe('homebrew')
+          it 'does not download mas-cli.zip from GitHub' do
+            expect(chef_run).to_not create_remote_file(
+              "#{Chef::Config[:file_cache_path]}/mas-cli.zip"
+            )
           end
 
-          it 'installs Mas via Homebrew' do
-            expect(chef_run).to install_homebrew_package('mas')
+          it 'does not unzip mas-cli.zip into place' do
+            expect(chef_run).to_not run_execute('Extract Mas-CLI zip file')
           end
         end
       end
 
-      context 'an overridden version property' do
+      context 'an overridden source and version property' do
         include_context description
 
         context 'not already installed' do
@@ -125,6 +125,38 @@
       context 'all default properties' do
         include_context description
 
+        shared_examples_for 'any installed state' do
+          it 'includes the homebrew default recipe' do
+            expect(chef_run).to include_recipe('homebrew')
+          end
+
+          it 'upgrades Mas via Homebrew' do
+            expect(chef_run).to upgrade_homebrew_package('mas')
+          end
+        end
+
+        context 'not already installed' do
+          include_context description
+
+          it_behaves_like 'any installed state'
+        end
+
+        context 'already installed' do
+          include_context description
+
+          it_behaves_like 'any installed state'
+        end
+
+        context 'installed and upgradable' do
+          include_context description
+
+          it_behaves_like 'any installed state'
+        end
+      end
+
+      context 'an overridden source property' do
+        include_context description
+
         context 'not already installed' do
           include_context description
 
@@ -175,38 +207,6 @@
           end
         end
       end
-
-      context 'an overridden source property' do
-        include_context description
-
-        shared_examples_for 'any installed state' do
-          it 'includes the homebrew default recipe' do
-            expect(chef_run).to include_recipe('homebrew')
-          end
-
-          it 'upgrades Mas via Homebrew' do
-            expect(chef_run).to upgrade_homebrew_package('mas')
-          end
-        end
-
-        context 'not already installed' do
-          include_context description
-
-          it_behaves_like 'any installed state'
-        end
-
-        context 'already installed' do
-          include_context description
-
-          it_behaves_like 'any installed state'
-        end
-
-        context 'installed and upgradable' do
-          include_context description
-
-          it_behaves_like 'any installed state'
-        end
-      end
     end
 
     context 'the :remove action' do
@@ -218,14 +218,6 @@
         context 'all default properties' do
           include_context description
 
-          it 'deletes the mas file' do
-            expect(chef_run).to delete_file('/usr/local/bin/mas')
-          end
-        end
-
-        context 'an overridden source property' do
-          include_context description
-
           it 'includes the homebrew default recipe' do
             expect(chef_run).to include_recipe('homebrew')
           end
@@ -234,20 +226,20 @@
             expect(chef_run).to remove_homebrew_package('mas')
           end
         end
-      end
 
-      context 'not already installed' do
-        include_context description
-
-        context 'all default properties' do
+        context 'an overridden source property' do
           include_context description
 
-          it 'does not delete the mas file' do
-            expect(chef_run).to_not delete_file('/usr/local/bin/mas')
+          it 'deletes the mas file' do
+            expect(chef_run).to delete_file('/usr/local/bin/mas')
           end
         end
+      end
 
-        context 'an overridden source property' do
+      context 'not already installed' do
+        include_context description
+
+        context 'all default properties' do
           include_context description
 
           it 'does not include the homebrew default recipe' do
@@ -258,6 +250,14 @@
             expect(chef_run).to_not remove_homebrew_package('mas')
           end
         end
+
+        context 'an overridden source property' do
+          include_context description
+
+          it 'does not delete the mas file' do
+            expect(chef_run).to_not delete_file('/usr/local/bin/mas')
+          end
+        end
       end
     end