Makefile: added build-all target

Makefile

@@ -1,6 +1,6 @@
 all: test lint
 
-travis: test upload-coverage
+travis: build-all test upload-coverage
 
 setup:
 	GO111MODULE=off go get github.com/mattn/goveralls
@@ -13,6 +13,15 @@ travis-setup:
 lint:
 	gometalinter.v2 ./...
 
+build-all:
+	# this downloads all dependencies for all OS/architectures and updates go.mod
+	# TODO(jkowalski): parallelize this once we're on 1.12
+	CGO_ENABLED=0 GO111MODULE=on GOARCH=amd64 GOOS=linux go build ./...
+	CGO_ENABLED=0 GO111MODULE=on GOARCH=amd64 GOOS=windows go build ./...
+	CGO_ENABLED=0 GO111MODULE=on GOARCH=amd64 GOOS=darwin go build ./...
+	CGO_ENABLED=0 GO111MODULE=on GOARCH=arm GOOS=linux go build ./...
+	CGO_ENABLED=0 GO111MODULE=on GOARCH=arm64 GOOS=linux go build ./...
+
 test:
 	GO111MODULE=on go test -tags test -count=1 -coverprofile=raw.cov --coverpkg ./... -timeout 90s ./...
 	grep -v testing/ raw.cov > tmp.cov

go.mod

@@ -16,7 +16,7 @@ require (
 	golang.org/x/net v0.0.0-20181102091132-c10e9556a7bc
 	golang.org/x/oauth2 v0.0.0-20181102170140-232e45548389
 	golang.org/x/sys v0.0.0-20181031143558-9b800f95dbbc // indirect
-	google.golang.org/api v0.0.0-20181102150758-04bb50b6b83d
+	google.golang.org/api v0.0.0-20181229000844-f26a60c56f14
 	google.golang.org/genproto v0.0.0-20181101192439-c830210a61df // indirect
 	google.golang.org/grpc v1.16.0 // indirect
 )

go.sum

@@ -58,8 +58,8 @@ golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/tools v0.0.0-20180828015842-6cd1fcedba52/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 google.golang.org/api v0.0.0-20180910000450-7ca32eb868bf/go.mod h1:4mhQ8q/RsB7i+udVvVy5NUi08OU8ZlA0gRVgrF7VFY0=
-google.golang.org/api v0.0.0-20181102150758-04bb50b6b83d h1:wDkjCUR876SHY2B6YgBr9kAIUzPm1zb1X3d6sxFjpfo=
-google.golang.org/api v0.0.0-20181102150758-04bb50b6b83d/go.mod h1:4mhQ8q/RsB7i+udVvVy5NUi08OU8ZlA0gRVgrF7VFY0=
+google.golang.org/api v0.0.0-20181229000844-f26a60c56f14 h1:ATP5OSAvJIQ7cxB9BfsnylT+uFZ1FvJRW4NH1T2NKOU=
+google.golang.org/api v0.0.0-20181229000844-f26a60c56f14/go.mod h1:4mhQ8q/RsB7i+udVvVy5NUi08OU8ZlA0gRVgrF7VFY0=
 google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
 google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
 google.golang.org/genproto v0.0.0-20180831171423-11092d34479b/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=