Initial Chef repository

cookbooks/homebrew/libraries/homebrew_mixin.rb

@@ -0,0 +1,66 @@
+#
+# Author:: Joshua Timberman (<jtimberman@opscode.com>)
+# Author:: Graeme Mathieson (<mathie@woss.name>)
+# Cookbook Name:: homebrew
+# Libraries:: homebrew_mixin
+#
+# Copyright 2011-2013, Opscode, Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# Include the mixin from Chef 12 if its defined, when we get to the
+# #homebrew_owner method below...
+class Chef12HomebrewUser
+  include Chef::Mixin::HomebrewUser if defined?(Chef::Mixin::HomebrewUser)
+end
+
+module Homebrew
+  # Homebrew
+  module Mixin
+    def homebrew_owner
+      if defined?(Chef::Mixin::HomebrewUser)
+        begin
+          @homebrew_owner ||= Chef12HomebrewUser.new.find_homebrew_uid
+        rescue Chef::Exceptions::CannotDetermineHomebrewOwner
+          @homebrew_owner ||= calculate_owner
+        end
+      else
+        @homebrew_owner ||= calculate_owner
+      end
+    end
+
+    private
+
+    def calculate_owner
+      owner = homebrew_owner_attr || sudo_user || current_user
+      if owner == 'root'
+        fail Chef::Exceptions::User,
+             "Homebrew owner is 'root' which is not supported. " +
+             "To set an explicit owner, please set node['homebrew']['owner']."
+      end
+      owner
+    end
+
+    def homebrew_owner_attr
+      node['homebrew']['owner']
+    end
+
+    def sudo_user
+      ENV['SUDO_USER']
+    end
+
+    def current_user
+      ENV['USER']
+    end
+  end
+end

cookbooks/homebrew/libraries/homebrew_package.rb

@@ -0,0 +1,115 @@
+#
+# Author:: Joshua Timberman (<jtimberman@opscode.com>)
+# Author:: Graeme Mathieson (<mathie@woss.name>)
+# Cookbook Name:: homebrew
+# Libraries:: homebrew_package
+#
+# Copyright 2011-2013, Opscode, Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# cookbook libraries are unconditionally included if the cookbook is
+# present on a node. This approach should avoid creating this class if
+# the node already has Chef::Provider::Package::Homebrew, such as with
+# Chef 12.
+# https://github.com/opscode/chef-rfc/blob/master/rfc016-homebrew-osx-package-provider.md
+unless defined?(Chef::Provider::Package::Homebrew) && Chef::Platform.find('mac_os_x', nil)[:package] == Chef::Provider::Package::Homebrew
+  require 'chef/provider/package'
+  require 'chef/resource/package'
+  require 'chef/platform'
+  require 'chef/mixin/shell_out'
+
+  class Chef
+    class Provider
+      class Package
+        # Package
+        class Homebrew < Package
+          # Homebrew packagex
+          include Chef::Mixin::ShellOut
+          include ::Homebrew::Mixin
+
+          def load_current_resource
+            @current_resource = Chef::Resource::Package.new(@new_resource.name)
+            @current_resource.package_name(@new_resource.package_name)
+            @current_resource.version(current_installed_version)
+
+            @current_resource
+          end
+
+          def install_package(name, version)
+            brew('install', @new_resource.options, name)
+          end
+
+          def upgrade_package(name, version)
+            brew('upgrade', name)
+          end
+
+          def remove_package(name, version)
+            brew('uninstall', @new_resource.options, name)
+          end
+
+          # Homebrew doesn't really have a notion of purging, so just remove.
+          def purge_package(name, version)
+            @new_resource.options = ((@new_resource.options || '') << ' --force').strip
+            remove_package(name, version)
+          end
+
+          protected
+
+          def brew(*args)
+            get_response_from_command("brew #{args.join(' ')}")
+          end
+
+          def current_installed_version
+            pkg = get_version_from_formula
+            versions = pkg.to_hash['installed'].map { |v| v['version'] }
+            versions.join(' ') unless versions.empty?
+          end
+
+          def candidate_version
+            pkg = get_version_from_formula
+            pkg.stable ? pkg.stable.version.to_s : pkg.version.to_s
+          end
+
+          def get_version_from_command(command)
+            version = get_response_from_command(command).chomp
+            version.empty? ? nil : version
+          end
+
+          def get_version_from_formula
+            brew_cmd = shell_out!('brew --prefix', :user => homebrew_owner)
+            libpath = ::File.join(brew_cmd.stdout.chomp, 'Library', 'Homebrew')
+            $LOAD_PATH.unshift(libpath)
+
+            require 'global'
+            require 'cmd/info'
+
+            Formula[new_resource.package_name]
+          end
+
+          def get_response_from_command(command)
+            require 'etc'
+            home_dir = Etc.getpwnam(homebrew_owner).dir
+
+            Chef::Log.debug "Executing '#{command}' as #{homebrew_owner}"
+            output = shell_out!(command, :user => homebrew_owner, :environment => { 'HOME' => home_dir, 'RUBYOPT' => nil })
+            output.stdout
+          end
+        end
+      end
+    end
+  end
+
+  Chef::Platform.set :platform => :mac_os_x_server, :resource => :package, :provider => Chef::Provider::Package::Homebrew
+  Chef::Platform.set :platform => :mac_os_x, :resource => :package, :provider => Chef::Provider::Package::Homebrew
+end

cookbooks/homebrew/libraries/matchers.rb

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+if defined?(ChefSpec)
+
+  def install_homebrew_package(pkg)
+    ChefSpec::Matchers::ResourceMatcher.new(:homebrew_package, :install, pkg)
+  end
+
+  def upgrade_homebrew_package(pkg)
+    ChefSpec::Matchers::ResourceMatcher.new(:homebrew_package, :upgrade, pkg)
+  end
+
+  def remove_homebrew_package(pkg)
+    ChefSpec::Matchers::ResourceMatcher.new(:homebrew_package, :remove, pkg)
+  end
+
+  def purge_homebrew_package(pkg)
+    ChefSpec::Matchers::ResourceMatcher.new(:homebrew_package, :purge, pkg)
+  end
+
+  def tap_homebrew_tap(tap)
+    ChefSpec::Matchers::ResourceMatcher.new(:homebrew_tap, :tap, tap)
+  end
+
+  def untap_homebrew_tap(tap)
+    ChefSpec::Matchers::ResourceMatcher.new(:homebrew_tap, :untap, tap)
+  end
+
+  def cask_homebrew_cask(cask)
+    ChefSpec::Matchers::ResourceMatcher.new(:homebrew_cask, :cask, cask)
+  end
+
+  def uncask_homebrew_cask(cask)
+    ChefSpec::Matchers::ResourceMatcher.new(:homebrew_cask, :uncask, cask)
+  end
+
+  def install_homebrew_cask(cask)
+    ChefSpec::Matchers::ResourceMatcher.new(:homebrew_cask, :install, cask)
+  end
+
+  def uninstall_homebrew_cask(cask)
+    ChefSpec::Matchers::ResourceMatcher.new(:homebrew_cask, :uninstall, cask)
+  end
+
+end