From 20e3cacbaa1e86b76483fe1d94cfc42907a5727c Mon Sep 17 00:00:00 2001
From: Barry Allard <barry.allard@gmail.com>
Date: Tue, 28 Aug 2018 20:20:29 -0700
Subject: add github to template actions, light DSL refactor

---
 railties/lib/rails/generators/actions.rb | 56 +++++++++++++++++++++++---------
 1 file changed, 41 insertions(+), 15 deletions(-)

(limited to 'railties/lib')

diff --git a/railties/lib/rails/generators/actions.rb b/railties/lib/rails/generators/actions.rb
index ae395708cb..78d2471890 100644
--- a/railties/lib/rails/generators/actions.rb
+++ b/railties/lib/rails/generators/actions.rb
@@ -7,7 +7,7 @@ module Rails
     module Actions
       def initialize(*) # :nodoc:
         super
-        @in_group = nil
+        @indentation = 0
         @after_bundle_callbacks = []
       end
 
@@ -36,13 +36,11 @@ module Rails
 
         log :gemfile, message
 
-        options.each do |option, value|
-          parts << "#{option}: #{quote(value)}"
-        end
+        parts << quote(options) unless options.empty?
 
         in_root do
           str = "gem #{parts.join(", ")}"
-          str = "  " + str if @in_group
+          str = indentation + str
           str = "\n" + str
           append_file "Gemfile", str, verbose: false
         end
@@ -54,17 +52,29 @@ module Rails
       #     gem "rspec-rails"
       #   end
       def gem_group(*names, &block)
-        name = names.map(&:inspect).join(", ")
-        log :gemfile, "group #{name}"
+        options = names.extract_options!
+        str = names.map(&:inspect)
+        str << quote(options) unless options.empty?
+        str = str.join(", ")
+        log :gemfile, "group #{str}"
 
         in_root do
-          append_file "Gemfile", "\ngroup #{name} do", force: true
+          append_file "Gemfile", "\ngroup #{str} do", force: true
+          with_indentation(&block)
+          append_file "Gemfile", "\nend\n", force: true
+        end
+      end
 
-          @in_group = true
-          instance_eval(&block)
-          @in_group = false
+      def github(repo, options = {}, &block)
+        str = [quote(repo)]
+        str << quote(options) unless options.empty?
+        str = str.join(", ")
+        log :github, "github #{str}"
 
-          append_file "Gemfile", "\nend\n", force: true
+        in_root do
+          append_file "Gemfile", "\n#{indentation}github #{str} do", force: true
+          with_indentation(&block)
+          append_file "Gemfile", "\n#{indentation}end", force: true
         end
       end
 
@@ -83,9 +93,7 @@ module Rails
         in_root do
           if block
             append_file "Gemfile", "\nsource #{quote(source)} do", force: true
-            @in_group = true
-            instance_eval(&block)
-            @in_group = false
+            with_indentation(&block)
             append_file "Gemfile", "\nend\n", force: true
           else
             prepend_file "Gemfile", "source #{quote(source)}\n", verbose: false
@@ -315,6 +323,11 @@ module Rails
         # Surround string with single quotes if there is no quotes.
         # Otherwise fall back to double quotes
         def quote(value) # :doc:
+          if value.respond_to? :each_pair
+            return value.map do |k, v|
+              "#{k}: #{quote(v)}"
+            end.join(", ")
+          end
           return value.inspect unless value.is_a? String
 
           if value.include?("'")
@@ -334,6 +347,19 @@ module Rails
             "#{value.strip.indent(amount)}\n"
           end
         end
+
+        # Indent the +Gemfile+ to the depth of @indentation
+        def indentation # :doc:
+          "  " * @indentation
+        end
+
+        # Manage +Gemfile+ indentation for a DSL action block
+        def with_indentation(&block) # :doc:
+          @indentation += 1
+          instance_eval(&block)
+        ensure
+          @indentation -= 1
+        end
     end
   end
 end
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