From b9f1c6d4fcf44aac30dbb571bb35784ed5c3698d Mon Sep 17 00:00:00 2001
From: Jakukyo Friel <weakish@gmail.com>
Date: Fri, 20 Mar 2015 21:33:48 +0800
Subject: [PATCH 1/4] Add go installer for Go packages.

---
 lib/sprinkle/installers/go.rb | 39 +++++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)
 create mode 100644 lib/sprinkle/installers/go.rb

diff --git a/lib/sprinkle/installers/go.rb b/lib/sprinkle/installers/go.rb
new file mode 100644
index 0000000..618e683
--- /dev/null
+++ b/lib/sprinkle/installers/go.rb
@@ -0,0 +1,39 @@
+module Sprinkle
+  module Installers
+    # The go package installer installs Go package.
+    #
+    #
+    # == Example Usage
+    #
+    # A simple installation:
+    #
+    #   package :magic_beans do
+    #     description "Beans beans they're good for your heart..."
+    #     go 'magic_beans'
+    #   end
+    class Go < Installer
+
+      api do
+        def go(name, options = {}, &block)
+          install Go.new(self, name, options, &block)
+        end
+      end
+
+      attr_accessor :go #:nodoc:
+
+      def initialize(parent, go, options = {}, &block) #:nodoc:
+        super parent, options, &block
+        @go = go
+      end
+
+
+      protected
+
+
+        def install_commands #:nodoc:
+          cmd = "#{sudo_cmd}go get #{go}"
+        end
+
+    end
+  end
+end

From e8d770e12d57af38d5943e1647c318417bd1ab47 Mon Sep 17 00:00:00 2001
From: Jakukyo Friel <weakish@gmail.com>
Date: Mon, 11 Jul 2016 18:44:44 +0800
Subject: [PATCH 2/4] go: refactor to use `auto_api`.

---
 lib/sprinkle/installers/go.rb | 30 ++++++++++++++----------------
 1 file changed, 14 insertions(+), 16 deletions(-)

diff --git a/lib/sprinkle/installers/go.rb b/lib/sprinkle/installers/go.rb
index 618e683..39c0c20 100644
--- a/lib/sprinkle/installers/go.rb
+++ b/lib/sprinkle/installers/go.rb
@@ -11,27 +11,25 @@ module Installers
     #     description "Beans beans they're good for your heart..."
     #     go 'magic_beans'
     #   end
-    class Go < Installer
-
-      api do
-        def go(name, options = {}, &block)
-          install Go.new(self, name, options, &block)
-        end
-      end
-
-      attr_accessor :go #:nodoc:
-
-      def initialize(parent, go, options = {}, &block) #:nodoc:
-        super parent, options, &block
-        @go = go
-      end
+    #
+    # You may also specify multiple packages as an array:
+    #
+    #   package :magic_beans do
+    #     go %w(magic_beans magic_sauce)
+    #   end
+    #
+    class Go < PackageInstaller
 
+      ##
+      # installs the Go packages passed
+      # :method: go
+      # :call-seq: go(*packages)
+      auto_api :go
 
       protected
 
-
         def install_commands #:nodoc:
-          cmd = "#{sudo_cmd}go get #{go}"
+          cmd = "#{sudo_cmd}go get #{@packages.join(' ')}"
         end
 
     end

From d77376b2f7cab91fb86d258f0ba89dca774bf720 Mon Sep 17 00:00:00 2001
From: Jakukyo Friel <weakish@gmail.com>
Date: Mon, 11 Jul 2016 19:48:26 +0800
Subject: [PATCH 3/4] go: add verifier `has_go`.

---
 lib/sprinkle/installers/go.rb | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/lib/sprinkle/installers/go.rb b/lib/sprinkle/installers/go.rb
index 39c0c20..454784b 100644
--- a/lib/sprinkle/installers/go.rb
+++ b/lib/sprinkle/installers/go.rb
@@ -26,6 +26,12 @@ class Go < PackageInstaller
       # :call-seq: go(*packages)
       auto_api :go
 
+      verify_api do
+        def has_go(package)
+          @commands << " go list '...' | grep  -F '#{package}'"
+        end
+      end
+
       protected
 
         def install_commands #:nodoc:

From f197900a7bb900cad8dd61ab5fa37f444c5fca73 Mon Sep 17 00:00:00 2001
From: Jakukyo Friel <weakish@gmail.com>
Date: Thu, 14 Jul 2016 23:41:36 +0800
Subject: [PATCH 4/4] go installer: `has_go()` avoid false positive.

---
 lib/sprinkle/installers/go.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/sprinkle/installers/go.rb b/lib/sprinkle/installers/go.rb
index 454784b..5f331ff 100644
--- a/lib/sprinkle/installers/go.rb
+++ b/lib/sprinkle/installers/go.rb
@@ -28,7 +28,7 @@ class Go < PackageInstaller
 
       verify_api do
         def has_go(package)
-          @commands << " go list '...' | grep  -F '#{package}'"
+          @commands << " go list '...' | grep  -E '^#{package}$'"
         end
       end