implement Wiki#write_page

lib/gollum/page.rb

@@ -4,6 +4,23 @@ module Gollum
 
     attr_accessor :wiki, :blob, :path, :version
 
+    # Convert a format Symbol into an extension String.
+    #
+    # format - The format Symbol.
+    #
+    # Returns the String extension (no leading period).
+    def self.format_to_ext(format)
+      case format
+        when :markdown then 'md'
+        when :textile then 'textile'
+        when :rdoc then 'rdoc'
+        when :org then 'org'
+        when :rest then 'rest'
+        when :asciidoc then 'asciidoc'
+        when :pod then 'pod'
+      end
+    end
+
     # Initialize a page.
     #
     # wiki - The Gollum::Wiki in question.

lib/gollum/wiki.rb

@@ -31,5 +31,24 @@ module Gollum
     def file(name, version = 'master')
       File.new(self).find(name, version)
     end
+
+    # Write a new version of a page to the Gollum repo root.
+    #
+    # name   - The String name of the page.
+    # data   - The new String contents of the page.
+    # commit - The commit Hash details { :message => String,
+    #                                    :author => String,
+    #                                    :email => String }
+    #
+    # Returns the String SHA1 of the newly written version.
+    def write_page(name, format, data, commit = {})
+      ext = Page.format_to_ext(format)
+      path = Gollum.canonical_name(name) + '.' + ext
+      index = self.repo.index
+      index.add(path, data)
+      actor = Grit::Actor.new(commit[:name], commit[:email])
+      parent = self.repo.commit('master')
+      index.commit(commit[:message], [parent], actor)
+    end
   end
 end