Improve network graph

lib/gitlab/graph/json_builder.rb

@@ -16,6 +16,7 @@ module Gitlab
 
         @commits = collect_commits
         @days = index_commits
+        @space = 0
       end
 
       def to_json(*args)
@@ -97,8 +98,8 @@ module Gitlab
         if leaves.empty?
           return
         end
-        space = find_free_space(leaves, map)
-        leaves.each{|l| l.space = space}
+        @space = find_free_space(leaves, map)
+        leaves.each{|l| l.space = @space}
         # and mark it as reserved
         min_time = leaves.last.time
         parents = leaves.last.parents.collect
@@ -115,7 +116,7 @@ module Gitlab
         else
           max_time = parent_time - 1
         end
-        mark_reserved(min_time..max_time, space)
+        mark_reserved(min_time..max_time, @space)
 
         # Visit branching chains
         leaves.each do |l|
@@ -139,9 +140,10 @@ module Gitlab
           reserved += @_reserved[day]
         end
         space = base_space(leaves, map)
-        while reserved.include? space do
+        while (reserved.include? space) || (space == @space) do
           space += 1
         end
+
         space
       end
 

vendor/assets/javascripts/branch-graph.js

@@ -121,7 +121,7 @@
           if (c.space == this.commits[i].space) {
             r.path([
               "M", x, y,
-              "L", x - 20 * (c.time + 1), y
+              "L", cx, cy
             ]).attr({
               stroke: this.colors[c.space], 
               "stroke-width": 2