enable cyclomatic check in TravisCI

.travis.yml

@@ -5,6 +5,7 @@ go:
 
 before_install:
   - go get -v github.com/golang/lint/golint
+  - go get -v github.com/fzipp/gocyclo
   # hack for building on forks
   - repo=`basename $PWD`; src=`dirname $PWD`; dest="`dirname $src`/intel"
   - if [[ "$src" != "$dest" ]]; then mv "$src" "$dest"; cd ../../intel/$repo; export TRAVIS_BUILD_DIR=`dirname $TRAVIS_BUILD_DIR`/$repo; fi
@@ -13,6 +14,7 @@ script:
   - make lint
   - make
   - make vet
+  - make cyclomatic-check
   - make test
 
 after_success:

Makefile

@@ -1,4 +1,5 @@
 GO := go
+GOCYCLO := gocyclo
 
 pkgs  = $(shell $(GO) list ./... | grep -v vendor)
 cmds = $(shell ls cmd)
@@ -16,6 +17,9 @@ format:
 vet:
 	@$(GO) vet -v -shadow $(pkgs)
 
+cyclomatic-check:
+	@report=`$(GOCYCLO) -over 15 cmd internal`; if [ -n "$$report" ]; then echo "Complexity is over 15 in"; echo $$report; exit 1; fi
+
 test:
 ifndef WHAT
 	@$(GO) test -race -coverprofile=coverage.txt -covermode=atomic $(pkgs)
@@ -43,4 +47,4 @@ $(images):
 
 images: $(images)
 
-.PHONY: all format vet test lint build images $(cmds) $(images)
+.PHONY: all format vet cyclomatic-check test lint build images $(cmds) $(images)