Add method complexity check to CIflog

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

1 files changed, 24 insertions, 0 deletions

diff --git a/lib/tasks/flog.rake b/lib/tasks/flog.rake
new file mode 100644
index 00000000000..4cb19c0c937
--- /dev/null
+++ b/lib/tasks/flog.rake
@@ -0,0 +1,24 @@
+desc 'Code complexity analyze via flog'
+task :flog do
+  output = %x(bundle exec flog -m app/ lib/gitlab)
+  exit_code = 0
+  output = output.lines
+
+  # Skip total complexity score
+  output.shift
+
+  # Skip some trash info
+  output.shift
+
+  output.each do |line|
+    score, method = line.split(" ")
+    score = score.to_i
+
+    if score > 40
+      exit_code = 1
+      puts "High complexity in #{method}. Score: #{score}"
+    end
+  end
+
+  exit exit_code
+end