travis: add codecov.io (#13)

.travis.yml

@@ -17,4 +17,8 @@ install:
 
 script:
   - cd $GOPATH/src/srcd.works/go-billy.v1
-  - go test -v ./...
+  - go test -v ./...
+  - make test-coverage
+
+after_success:
+  - bash <(curl -s https://codecov.io/bash)

Makefile

@@ -0,0 +1,25 @@
+# General
+WORKDIR = $(PWD)
+
+# Go parameters
+GOCMD = go
+GOTEST = $(GOCMD) test -v
+
+# Coverage
+COVERAGE_REPORT = coverage.txt
+COVERAGE_PROFILE = profile.out
+COVERAGE_MODE = atomic
+
+test-coverage:
+	cd $(WORKDIR); \
+	echo "" > $(COVERAGE_REPORT); \
+	for dir in `find . -name "*.go" | grep -o '.*/' | sort | uniq`; do \
+		$(GOTEST) $$dir -coverprofile=$(COVERAGE_PROFILE) -covermode=$(COVERAGE_MODE); \
+		if [ $$? != 0 ]; then \
+			exit 2; \
+		fi; \
+		if [ -f $(COVERAGE_PROFILE) ]; then \
+			cat $(COVERAGE_PROFILE) >> $(COVERAGE_REPORT); \
+			rm $(COVERAGE_PROFILE); \
+		fi; \
+	done; \