Refactor for style issues

app/controllers/projects/branches_controller.rb

@@ -10,8 +10,7 @@ class Projects::BranchesController < Projects::ApplicationController
     @branches = @repository.branches_sorted_by(@sort)
     @branches = Kaminari.paginate_array(@branches).page(params[:page]).per(PER_PAGE)
     
-    @max_commits = @branches.reduce(0) do
-      |memo, branch|
+    @max_commits = @branches.reduce(0) do |memo, branch|
       diverging_commit_counts = repository.diverging_commit_counts(branch)
       [memo, diverging_commit_counts[:behind], diverging_commit_counts[:ahead]].max
     end

app/models/repository.rb

@@ -148,8 +148,7 @@ class Repository
   end
   
   def diverging_commit_counts(branch)
-    branch_cache_key = ('diverging_commit_counts_' + branch.name).to_sym
-    cache.fetch(branch_cache_key) do
+    cache.fetch(:"diverging_commit_counts_#{branch.name}") do
       number_commits_behind = commits_between(branch.name, root_ref).size
       number_commits_ahead = commits_between(root_ref, branch.name).size
       
@@ -158,14 +157,13 @@ class Repository
   end
   def cache_keys
-    %i(size branch_names tag_names commit_count readme
-       contribution_guide changelog license)
+    %i(size branch_names tag_names commit_count
+       readme version contribution_guide changelog license)
   end
   
   def branch_cache_keys
-    branches.map do
-      |branch|
-      ('diverging_commit_counts_' + branch.name).to_sym
+    branches.map do |branch|
+      :"diverging_commit_counts_#{branch.name}"
     end
   end
@@ -177,7 +175,7 @@ class Repository
     end
     
     branches.each do |branch|
-      unless cache.exist?(('diverging_commit_counts_' + branch.name).to_sym)
+      unless cache.exist?(:"diverging_commit_counts_#{branch.name}")
         send(:diverging_commit_counts, branch)
       end
     end
@@ -188,14 +186,12 @@ class Repository
       cache.expire(key)
     end
     
-    branches.each do |branch|
-      cache.expire(('diverging_commit_counts_' + branch.name).to_sym)
-    end
+    expire_branch_cache
   end
   
   def expire_branch_cache
     branches.each do |branch|
-      cache.expire(('diverging_commit_counts_' + branch.name).to_sym)
+      cache.expire(:"diverging_commit_counts_#{branch.name}")
     end
   end
@@ -206,8 +202,8 @@ class Repository
     end
     
     branches.each do |branch|
-      cache.expire(('diverging_commit_counts_' + branch.name).to_sym)
-      send(:diverging_commit_counts, branch)
+      cache.expire(:"diverging_commit_counts_#{branch.name}")
+      diverging_commit_counts(branch)
     end
   end

app/views/projects/branches/_branch.html.haml

 - commit = @repository.commit(branch.target)
 - bar_graph_width_factor = @max_commits > 0 ? 100.0/@max_commits : 0
-- number_commits_behind = @repository.diverging_commit_counts(branch)[:behind]
-- number_commits_ahead = @repository.diverging_commit_counts(branch)[:ahead]
+- diverging_commit_counts = @repository.diverging_commit_counts(branch) 
+- number_commits_behind = diverging_commit_counts[:behind]
+- number_commits_ahead = diverging_commit_counts[:ahead]
 %li(class="js-branch-#{branch.name}")
   %div
     = link_to namespace_project_tree_path(@project.namespace, @project, branch.name) do
@@ -33,13 +34,13 @@
           = icon("trash-o")
     - if branch.name != @repository.root_ref
-      .divergence-graph{ :title => "#{number_commits_ahead} commits ahead, #{number_commits_behind} commits behind #{@repository.root_ref}" }
+      .divergence-graph{ title: "#{number_commits_ahead} commits ahead, #{number_commits_behind} commits behind #{@repository.root_ref}" }
         .graph-side
-          .bar.bar-behind{ :style => "width: #{number_commits_behind * bar_graph_width_factor}%" }
+          .bar.bar-behind{ style: "width: #{number_commits_behind * bar_graph_width_factor}%" }
           %span.count.count-behind= number_commits_behind
         .graph-separator
         .graph-side
-          .bar.bar-ahead{ :style => "width: #{number_commits_ahead * bar_graph_width_factor}%" }
+          .bar.bar-ahead{ style: "width: #{number_commits_ahead * bar_graph_width_factor}%" }
           %span.count.count-ahead= number_commits_ahead