[Makefile][travis] refs fibercrypto#256 Added make install-coveralls

.travis.yml

@@ -14,8 +14,7 @@ matrix:
     - DEFAULT_ARCH=rpi2 make install-docker-deps
     - DEFAULT_ARCH=rpi3 make install-docker-deps
     - make install-deps-no-envs
-    - go get golang.org/x/tools/cmd/cover
-    - go get github.com/mattn/goveralls
+    - make install-coveralls
     script:
     - make clean
     - DEFAULT_TARGET=rpi1 make build-docker
@@ -28,8 +27,7 @@ matrix:
     install:
     - DEFAULT_ARCH=android make install-docker-deps
     - make install-deps-no-envs
-    - go get golang.org/x/tools/cmd/cover
-    - go get github.com/mattn/goveralls
+    - make install-coveralls
     script:
     - make clean
     - DEFAULT_TARGET=android make build-docker
@@ -42,8 +40,7 @@ matrix:
     - make install-docker-deps
     - make install-deps-no-envs
     - make install-linters
-    - go get golang.org/x/tools/cmd/cover
-    - go get github.com/mattn/goveralls
+    - make install-coveralls
     script:
     - make clean
     - DEFAULT_TARGET=linux make build-docker
@@ -56,8 +53,7 @@ matrix:
     - choco install make -y
     - travis_wait make install-deps-Windows
     - make install-linters
-    - go get golang.org/x/tools/cmd/cover
-    - go get github.com/mattn/goveralls
+    - make install-coveralls
     script:
     - make build
     - make test
@@ -69,8 +65,7 @@ matrix:
     osx_image: xcode10.2
     install:
     - make install-deps
-    - go get golang.org/x/tools/cmd/cover
-    - go get github.com/mattn/goveralls
+    - make install-coveralls
     script:
     - make clean
     - make build

Makefile

@@ -212,6 +212,10 @@ install-linters: ## Install linters
 	go get -u github.com/FiloSottile/vendorcheck
 	cat ./.travis/install-golangci-lint.sh | sh -s -- -b $(GOPATH)/bin v1.21.0
 
+install-coveralls:
+	go get golang.org/x/tools/cmd/cover
+    go get github.com/mattn/goveralls
+
 lint: ## Run linters. Use make install-linters first.
 	# src needs separate linting rules
 	golangci-lint run -c .golangci.yml ./src/coin/...