Git support for script/generate. Closes #10690.

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@8772 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

railties/CHANGELOG

 *SVN*
 
+* Git support for script/generate.  #10690 [ssoroka]
+
 * Update scaffold to use labels instead of bold tags.  Closes #10757 [zach-inglis-lt3]
 
 * Resurrect WordNet synonym lookups.  #10710 [tom./, matt]

railties/lib/rails_generator/commands.rb

@@ -255,8 +255,9 @@ def file(relative_source, relative_destination, file_options = {}, &block)
             FileUtils.chmod(file_options[:chmod], destination)
           end
 
-          # Optionally add file to subversion
+          # Optionally add file to subversion or git
           system("svn add #{destination}") if options[:svn]
+          system("git add -v #{relative_destination}") if options[:git]
         end
 
         # Checks if the source and the destination file are identical. If
@@ -303,7 +304,7 @@ def complex_template(relative_source, relative_destination, template_options = {
         end
 
         # Create a directory including any missing parent directories.
-        # Always directories which exist.
+        # Always skips directories which exist.
         def directory(relative_path)
           path = destination_path(relative_path)
           if File.exist?(path)
@@ -312,6 +313,8 @@ def directory(relative_path)
             logger.create relative_path
 	          unless options[:pretend]
 	            FileUtils.mkdir_p(path)
+	            # git doesn't require adding the paths, adding the files later will
+	            # automatically do a path add.
 	      
 	            # Subversion doesn't do path adds, so we need to add
 	            # each directory individually.
@@ -428,7 +431,20 @@ def file(relative_source, relative_destination, file_options = {})
                 # If the directory is not in the status list, it
                 # has no modifications so we can simply remove it
                   system("svn rm #{destination}")
-                end  
+                end
+              elsif options[:git]
+                if options[:git][:new][relative_destination]
+                  # file has been added, but not committed
+                  system("git reset HEAD #{relative_destination}")
+                  FileUtils.rm(destination)
+                elsif options[:git][:modified][relative_destination]
+                  # file is committed and modified
+                  system("git rm -f #{relative_destination}")
+                else
+                  # If the directory is not in the status list, it
+                  # has no modifications so we can simply remove it
+                  system("git rm #{relative_destination}")
+                end
               else
                 FileUtils.rm(destination)
               end
@@ -465,6 +481,8 @@ def directory(relative_path)
                     # has no modifications so we can simply remove it
                       system("svn rm #{path}")
                     end
+                  # I don't think git needs to remove directories?..
+                  # or maybe they have special consideration...
                   else
                     FileUtils.rmdir(path)
                   end

railties/lib/rails_generator/options.rb

@@ -136,6 +136,13 @@ def add_general_options!(opt)
               opt
             end
           end
+          opt.on('-g', '--git', 'Modify files with git. (Note: git must be in path)') do
+            options[:git] = `git status`.inject({:new => {}, :modified => {}}) do |opt, e|
+              opt[:new][e.chomp[14..-1]] = true if e =~ /new file:/
+              opt[:modified][e.chomp[14..-1]] = true if e =~ /modified:/
+              opt
+            end
+          end
         end
 
     end