diff --git a/app/models/ci/commit.rb b/app/models/ci/commit.rb
index 623ff619c49..201b6f62b86 100644
--- a/app/models/ci/commit.rb
+++ b/app/models/ci/commit.rb
@@ -106,50 +106,47 @@ module Ci
     end
 
     def refs
-      statuses.pluck(:ref).compact.uniq
+      statuses.order(:ref).pluck(:ref).uniq
     end
 
-    def statuses_for_ref(ref = nil)
-      if ref
-        statuses.for_ref(ref)
-      else
-        statuses
-      end
+    def latest_statuses
+      @latest_statuses ||= statuses.latest.to_a
     end
 
-    def builds_without_retry(ref = nil)
-      if ref
-        builds.for_ref(ref).latest
-      else
-        builds.latest
-      end
+    def builds_without_retry
+      @builds_without_retry ||= builds.latest.to_a
+    end
+
+    def builds_without_retry_for_ref(ref)
+      builds_without_retry.select { |build| build.ref == ref }
     end
 
     def retried
       @retried ||= (statuses.order(id: :desc) - statuses.latest)
     end
 
-    def status(ref = nil)
+    def status
       if yaml_errors.present?
         return 'failed'
       end
 
-      latest_statuses = statuses.latest.to_a
-      latest_statuses.reject! { |status| status.try(&:allow_failure?) }
-      latest_statuses.select! { |status| status.ref.nil? || status.ref == ref } if ref
+      @status ||= begin
+        latest = latest_statuses
+        latest.reject! { |status| status.try(&:allow_failure?) }
 
-      if latest_statuses.none?
-        return 'skipped'
-      elsif latest_statuses.all?(&:success?)
-        'success'
-      elsif latest_statuses.all?(&:pending?)
-        'pending'
-      elsif latest_statuses.any?(&:running?) || latest_statuses.any?(&:pending?)
-        'running'
-      elsif latest_statuses.all?(&:canceled?)
-        'canceled'
-      else
-        'failed'
+        if latest.none?
+          'skipped'
+        elsif latest.all?(&:success?)
+          'success'
+        elsif latest.all?(&:pending?)
+          'pending'
+        elsif latest.any?(&:running?) || latest.any?(&:pending?)
+          'running'
+        elsif latest.all?(&:canceled?)
+          'canceled'
+        else
+          'failed'
+        end
       end
     end
 
@@ -173,8 +170,9 @@ module Ci
       status == 'canceled'
     end
 
-    def duration(ref = nil)
-      statuses_for_ref(ref).latest.select(&:duration).sum(&:duration).to_i
+    def duration
+      duration_array = latest_statuses.map(&:duration).compact
+      duration_array.reduce(:+).to_i
     end
 
     def finished_at
@@ -190,8 +188,8 @@ module Ci
       end
     end
 
-    def matrix?(ref)
-      builds_without_retry(ref).pluck(:id).size > 1
+    def matrix_for_ref?(ref)
+      builds_without_retry_for_ref(ref).size > 1
     end
 
     def config_processor
diff --git a/app/models/commit_status.rb b/app/models/commit_status.rb
index b6234c896e3..b4d91b1b0c3 100644
--- a/app/models/commit_status.rb
+++ b/app/models/commit_status.rb
@@ -16,8 +16,9 @@ class CommitStatus < ActiveRecord::Base
   scope :success, -> { where(status: 'success') }
   scope :failed, -> { where(status: 'failed')  }
   scope :running_or_pending, -> { where(status:[:running, :pending]) }
-  scope :latest, -> { where(id: unscope(:select).select('max(id)').group(:name, :ref)).order(stage_idx: :asc) }
-  scope :for_ref, ->(ref) { where(ref: [ref, nil]) }
+  scope :latest, -> { where(id: unscope(:select).select('max(id)').group(:name, :ref)) }
+  scope :ordered, -> { order(:ref, :stage_idx, :name) }
+  scope :for_ref, ->(ref) { where(ref: ref) }
   scope :running_or_pending, -> { where(status: [:running, :pending]) }
 
   state_machine :status, initial: :pending do
diff --git a/app/views/projects/builds/show.html.haml b/app/views/projects/builds/show.html.haml
index 66e668f3771..b561078e8c7 100644
--- a/app/views/projects/builds/show.html.haml
+++ b/app/views/projects/builds/show.html.haml
@@ -7,9 +7,9 @@
     %code #{@build.ref}
 
   #up-build-trace
-  - if @commit.matrix?(@build.ref)
+  - if @commit.matrix_for_ref?(@build.ref)
     %ul.center-top-menu.build-top-menu
-      - @commit.builds_without_retry(@build.ref).each do |build|
+      - @commit.builds_without_retry_for_ref(@build.ref).each do |build|
         %li{class: ('active' if build == @build) }
           = link_to namespace_project_build_path(@project.namespace, @project, build) do
             = ci_icon_for_status(build.status)
@@ -20,7 +20,7 @@
                 = build.id
 
 
-      - unless @commit.builds_without_retry(@build.ref).include?(@build)
+      - unless @commit.builds_without_retry_for_ref(@build.ref).include?(@build)
         %li.active
           %a
             Build ##{@build.id}
diff --git a/app/views/projects/commit/ci.html.haml b/app/views/projects/commit/ci.html.haml
index 7f106631cac..585f012fe04 100644
--- a/app/views/projects/commit/ci.html.haml
+++ b/app/views/projects/commit/ci.html.haml
@@ -20,49 +20,28 @@
   .bs-callout.bs-callout-warning
     \.gitlab-ci.yml not found in this commit
 
-- if @ci_commit.refs.blank?
-  .gray-content-block.second-block
-    Latest builds
-    - if @ci_commit.duration > 0
-      %small.pull-right
-        %i.fa.fa-time
-        #{time_interval_in_words @ci_commit.duration}
+.gray-content-block.second-block
+  Latest
+  - if @ci_commit.duration > 0
+    %small.pull-right
+      %i.fa.fa-time
+      #{time_interval_in_words @ci_commit.duration}
 
-  %table.table.builds
-    %thead
-      %tr
-        %th Status
-        %th Build ID
-        %th Stage
-        %th Name
-        %th Duration
-        %th Finished at
-        - if @ci_project && @ci_project.coverage_enabled?
-          %th Coverage
-        %th
-    = render partial: "projects/commit_statuses/commit_status", collection: @ci_commit.statuses.latest, coverage: @ci_project.try(:coverage_enabled?), controls: true
-
-- @ci_commit.refs.sort.each do |ref|
-  .gray-content-block.second-block
-    Builds for #{ref}
-    - if @ci_commit.duration(ref) > 0
-      %small.pull-right
-        %i.fa.fa-time
-        #{time_interval_in_words @ci_commit.duration(ref)}
-
-  %table.table.builds
-    %thead
-      %tr
-        %th Status
-        %th Build ID
-        %th Stage
-        %th Name
-        %th Duration
-        %th Finished at
-        - if @ci_project && @ci_project.coverage_enabled?
-          %th Coverage
-        %th
-    = render partial: "projects/commit_statuses/commit_status", collection: @ci_commit.statuses.for_ref(ref).latest, coverage: @ci_project.try(:coverage_enabled?), controls: true
+%table.table.builds
+  %thead
+    %tr
+      %th Status
+      %th Build ID
+      %th Ref
+      %th Stage
+      %th Name
+      %th Duration
+      %th Finished at
+      - if @ci_project && @ci_project.coverage_enabled?
+        %th Coverage
+      %th
+  - @ci_commit.refs.each do |ref|
+    = render partial: "projects/commit_statuses/commit_status", collection: @ci_commit.statuses.for_ref(ref).latest.ordered, coverage: @ci_project.try(:coverage_enabled?), controls: true
 
 - if @ci_commit.retried.any?
   .gray-content-block.second-block
@@ -81,4 +60,4 @@
         - if @ci_project && @ci_project.coverage_enabled?
           %th Coverage
         %th
-    = render partial: "projects/commit_statuses/commit_status", collection: @ci_commit.retried, coverage: @ci_project.try(:coverage_enabled?), ref: true
+    = render partial: "projects/commit_statuses/commit_status", collection: @ci_commit.retried, coverage: @ci_project.try(:coverage_enabled?)
diff --git a/app/views/projects/commit_statuses/_commit_status.html.haml b/app/views/projects/commit_statuses/_commit_status.html.haml
index 14b814bb0d6..e3a17faf0bd 100644
--- a/app/views/projects/commit_statuses/_commit_status.html.haml
+++ b/app/views/projects/commit_statuses/_commit_status.html.haml
@@ -9,9 +9,8 @@
     - else
       %strong Build ##{commit_status.id}
 
-  - if defined?(ref) && ref
-    %td
-      = commit_status.ref
+  %td
+    = commit_status.ref
 
   %td
     = commit_status.stage
diff --git a/lib/api/commit_statuses.rb b/lib/api/commit_statuses.rb
index 2a005d6a9f7..50ca89079e0 100644
--- a/lib/api/commit_statuses.rb
+++ b/lib/api/commit_statuses.rb
@@ -53,7 +53,7 @@ module API
 
         name = params[:name] || params[:context]
         status = GenericCommitStatus.running_or_pending.find_by(commit: ci_commit, name: name, ref: params[:ref])
-        status = GenericCommitStatus.new(commit: ci_commit, user: current_user) unless status
+        status ||= GenericCommitStatus.new(commit: ci_commit, user: current_user)
         status.update(attrs)
 
         case params[:state].to_s