Implemented basic timeline with the last 10 entries.

lib/gollum/frontend/app.rb

@@ -122,6 +122,13 @@ class App < Sinatra::Base
       @versions = @page.versions :page => @page_num
       mustache :history
     end
+
+    get '/timeline' do
+      @name     = 'timeline'
+      wiki      = Gollum::Wiki.new(settings.gollum_path, settings.wiki_options)
+      @entries  = wiki.entries
+      mustache :timeline
+    end
 
     post '/compare/:name' do
       @versions = params[:versions] || []

lib/gollum/frontend/templates/page.mustache

@@ -12,6 +12,8 @@
     {{/editable}}
     <li class="minibutton"><a href="/history/{{escaped_name}}"
        class="action-page-history">Page History</a></li>
+		<li class="minibutton"><a href="/timeline"
+       class="action-wiki-history">Wiki History</a></li>
   </ul>
   {{>searchbar}}
 </div>

lib/gollum/frontend/templates/timeline.mustache

@@ -0,0 +1,38 @@
+<div id="wiki-wrapper" class="history">
+<div id="head">
+  <h1>{{title}}</h1>
+  {{>searchbar}}
+</div>
+<div id="wiki-history">
+
+  <table>
+    <tbody>
+      {{#commits}}
+      <tr>
+        <td class="author">
+          <a href="javascript:void(0)">
+            <img src="http://www.gravatar.com/avatar/{{gravatar}}?s=16"
+             alt="avatar: {{author}}" class="mini-gravatar">
+            <span class="username">{{author}}</span>
+          </a>
+        </td>
+        <td class="commit-name">
+          <span class="time-elapsed">{{date}}:</span>&nbsp;
+          {{message}}
+          [<a href="/{{page_link}}" title="View page">{{page_name}}</a>]
+        </td>
+      </tr>
+      {{/commits}}
+
+    </tbody>
+  </table>
+
+</div>
+<div id="footer">
+  <ul class="actions">
+    <!-- only show this button if we have more than 20 revisions -->
+    <li class="minibutton"><a href="#"
+       class="action-back-to-top">Back to Top</a></li>
+  </ul>
+</div>
+</div>

lib/gollum/frontend/views/timeline.rb

@@ -0,0 +1,50 @@
+module Precious
+  module Views
+    class Timeline < Layout
+      attr_reader :page, :page_num
+
+      def title
+        "Timeline"
+      end
+
+      def commits
+        commits = []
+        @entries.each do |v|
+          file_name = v.show[0].b_path.split('/').pop()
+          page_name = Gollum::Page.canonicalize_filename(file_name)
+          page_link = Gollum::Page.cname(page_name)
+          commits.push(
+            { :id       => v.id,
+              :id7      => v.id[0..6],
+              :author   => v.author.name,
+              :message  => v.message,
+              :page_name=> page_name,
+              :page_link=> page_link,
+              :date     => v.committed_date.strftime("%B %d, %Y"),
+              :gravatar => Digest::MD5.hexdigest(v.author.email) }
+          )
+        end
+
+        return commits
+      end
+
+      def previous_link
+        label = "&laquo; Previous"
+        if @page_num == 1
+          %(<span class="disabled">#{label}</span>)
+        else
+          %(<a href="/timeline?page=#{@page_num-1}" hotkey="h">#{label}</a>)
+        end
+      end
+
+      def next_link
+        label = "Next &raquo;"
+        if @versions.size == Gollum::Page.per_page
+          %(<a href="/timeline?page=#{@page_num+1}" hotkey="l">#{label}</a>)
+        else
+          %(<span class="disabled">#{label}</span>)
+        end
+      end
+    end
+  end
+end

lib/gollum/wiki.rb

@@ -549,6 +549,18 @@ def tree_list(ref)
         []
       end
     end
+
+    # Fill an array with a list of entries in chronological order.
+    #
+    # max_count - The number of entries to retrieve.
+    #
+    # Returns a flat Array of commit entries.
+    def entries(max_count = 10)
+      options = {:pretty => 'raw', :max_count => max_count}
+      args = [@page_file_dir]
+      log = repo.git.native "log", options, "--", args
+      return Grit::Commit.list_from_string(repo, log)
+    end
 
     # Creates a reverse diff for the given SHAs on the given Gollum::Page.
     #