Migrate to Go version 1.11.4 (#7026)

.travis.yml

@@ -16,19 +16,19 @@ matrix:
       sudo: required
       env:
         - ARCH=x86_64
-      go: 1.10.4
+      go: 1.11.4
       script:
         - make
         - diff -au <(gofmt -s -d cmd) <(printf "")
         - diff -au <(gofmt -s -d pkg) <(printf "")
-        - make test GOFLAGS="-timeout 15m -race -v"
+        - for d in $(go list ./... | grep -v browser); do go test -v -race --timeout 15m "$d"; done
         - make verify
         - make coverage
         - cd browser && yarn && yarn test && cd ..
     - os: windows
       env:
         - ARCH=x86_64
-      go: 1.10.4
+      go: 1.11.4
       script:
         - go build --ldflags="$(go run buildscripts/gen-ldflags.go)" -o %GOPATH%\bin\minio.exe
         - for d in $(go list ./... | grep -v browser); do go test -v -race --timeout 20m "$d"; done

Makefile

@@ -60,7 +60,7 @@ spelling:
 check: test
 test: verifiers build
 	@echo "Running unit tests"
-	@go test $(GOFLAGS) -tags kqueue ./...
+	@go test -tags kqueue ./...
 
 verify: build
 	@echo "Verifying build"
@@ -73,7 +73,7 @@ coverage: build
 # Builds minio locally.
 build: checks
 	@echo "Building minio binary to './minio'"
-	@CGO_ENABLED=0 go build -tags kqueue --ldflags $(BUILD_LDFLAGS) -o $(PWD)/minio
+	@GOFLAGS="" CGO_ENABLED=0 go build -tags kqueue --ldflags $(BUILD_LDFLAGS) -o $(PWD)/minio
 
 docker: build
 	@docker build -t $(TAG) . -f Dockerfile.dev

cmd/crypto/header_test.go

@@ -95,7 +95,7 @@ var ssecIsRequestedTests = []struct {
 	Header   http.Header
 	Expected bool
 }{
-	{Header: http.Header{}, Expected: false},                                                                                                     // 0
+	{Header: http.Header{}, Expected: false}, // 0
 	{Header: http.Header{"X-Amz-Server-Side-Encryption-Customer-Algorithm": []string{"AES256"}}, Expected: true},                                 // 1
 	{Header: http.Header{"X-Amz-Server-Side-Encryption-Customer-Key": []string{"MzJieXRlc2xvbmdzZWNyZXRrZXltdXN0cHJvdmlkZWQ="}}, Expected: true}, // 2
 	{Header: http.Header{"X-Amz-Server-Side-Encryption-Customer-Key-Md5": []string{"7PpPLAK26ONlVUGOWlusfg=="}}, Expected: true},                 // 3
@@ -137,7 +137,7 @@ var ssecCopyIsRequestedTests = []struct {
 	Header   http.Header
 	Expected bool
 }{
-	{Header: http.Header{}, Expected: false},                                                                                                                 // 0
+	{Header: http.Header{}, Expected: false}, // 0
 	{Header: http.Header{"X-Amz-Copy-Source-Server-Side-Encryption-Customer-Algorithm": []string{"AES256"}}, Expected: true},                                 // 1
 	{Header: http.Header{"X-Amz-Copy-Source-Server-Side-Encryption-Customer-Key": []string{"MzJieXRlc2xvbmdzZWNyZXRrZXltdXN0cHJvdmlkZWQ="}}, Expected: true}, // 2
 	{Header: http.Header{"X-Amz-Copy-Source-Server-Side-Encryption-Customer-Key-Md5": []string{"7PpPLAK26ONlVUGOWlusfg=="}}, Expected: true},                 // 3

cmd/crypto/metadata_test.go

@@ -370,9 +370,9 @@ var isETagSealedTests = []struct {
 	ETag     string
 	IsSealed bool
 }{
-	{ETag: "", IsSealed: false},                                                                                                // 0
+	{ETag: "", IsSealed: false},                                  // 0
-	{ETag: "90682b8e8cc7609c4671e1d64c73fc30", IsSealed: false},                                                                // 1
+	{ETag: "90682b8e8cc7609c4671e1d64c73fc30", IsSealed: false},  // 1
-	{ETag: "f201040c9dc593e39ea004dc1323699bcd", IsSealed: true},                                                               // 2 not valid ciphertext but looks like sealed ETag
+	{ETag: "f201040c9dc593e39ea004dc1323699bcd", IsSealed: true}, // 2 not valid ciphertext but looks like sealed ETag
 	{ETag: "20000f00fba2ee2ae4845f725964eeb9e092edfabc7ab9f9239e8344341f769a51ce99b4801b0699b92b16a72fa94972", IsSealed: true}, // 3
 }
 

cmd/postpolicyform.go

@@ -29,14 +29,14 @@ import (
 
 // startWithConds - map which indicates if a given condition supports starts-with policy operator
 var startsWithConds = map[string]bool{
-	"$acl":                 true,
+	"$acl":                     true,
-	"$bucket":              false,
+	"$bucket":                  false,
-	"$cache-control":       true,
+	"$cache-control":           true,
-	"$content-type":        true,
+	"$content-type":            true,
-	"$content-disposition": true,
+	"$content-disposition":     true,
-	"$content-encoding":    true,
+	"$content-encoding":        true,
-	"$expires":             true,
+	"$expires":                 true,
-	"$key":                 true,
+	"$key":                     true,
 	"$success_action_redirect": true,
 	"$redirect":                true,
 	"$success_action_status":   false,