Adding gofmt to travis build

Makefile

@@ -39,6 +39,15 @@ travis:
 
 	@echo Checking for style guide compliance
 	cd web/react && $(ESLINT) --quiet components/* dispatcher/* pages/* stores/* utils/*
+	@echo Running gofmt
+	$(eval GOFMT_OUTPUT := $(shell gofmt -d -s api/ model/ store/ utils/ manualtesting/ mattermost.go 2>&1))
+	@echo "$(GOFMT_OUTPUT)"
+	@if [ ! "$(GOFMT_OUTPUT)" ]; then \
+		echo "gofmt sucess"; \
+	else \
+		echo "gofmt failure"; \
+		exit 1; \
+	fi
 
 	@$(GO) build $(GOFLAGS) ./...
 	@$(GO) install $(GOFLAGS) ./...
@@ -108,6 +117,15 @@ install:
 check: install
 	@echo Running ESLint...
 	-cd web/react && $(ESLINT) components/* dispatcher/* pages/* stores/* utils/*
+	@echo Running gofmt
+	$(eval GOFMT_OUTPUT := $(shell gofmt -d -s api/ model/ store/ utils/ manualtesting/ mattermost.go 2>&1))
+	@echo "$(GOFMT_OUTPUT)"
+	@if [[ ! "$(GOFMT_OUTPUT)" ]]; then \
+		echo "gofmt sucess"; \
+	else \
+		echo "gofmt failure"; \
+		exit 1; \
+	fi
 
 test: install
 	@mkdir -p logs

api/context.go

@@ -439,10 +439,10 @@ func IsBetaDomain(r *http.Request) bool {
 }
 
 var privateIpAddress = []*net.IPNet{
-	&net.IPNet{IP: net.IPv4(10, 0, 0, 1), Mask: net.IPv4Mask(255, 0, 0, 0)},
+	{IP: net.IPv4(10, 0, 0, 1), Mask: net.IPv4Mask(255, 0, 0, 0)},
-	&net.IPNet{IP: net.IPv4(176, 16, 0, 1), Mask: net.IPv4Mask(255, 255, 0, 0)},
+	{IP: net.IPv4(176, 16, 0, 1), Mask: net.IPv4Mask(255, 255, 0, 0)},
-	&net.IPNet{IP: net.IPv4(192, 168, 0, 1), Mask: net.IPv4Mask(255, 255, 255, 0)},
+	{IP: net.IPv4(192, 168, 0, 1), Mask: net.IPv4Mask(255, 255, 255, 0)},
-	&net.IPNet{IP: net.IPv4(127, 0, 0, 1), Mask: net.IPv4Mask(255, 255, 255, 252)},
+	{IP: net.IPv4(127, 0, 0, 1), Mask: net.IPv4Mask(255, 255, 255, 252)},
 }
 
 func IsPrivateIpAddress(ipAddress string) bool {

api/file.go

@@ -86,7 +86,7 @@ func uploadFile(c *Context, w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	for i, _ := range files {
+	for i := range files {
 		file, err := files[i].Open()
 		defer file.Close()
 		if err != nil {

api/post.go

@@ -353,7 +353,7 @@ func fireAndForgetNotifications(post *model.Post, teamId, siteURL string) {
 					}
 				}
 
-				for id, _ := range toEmailMap {
+				for id := range toEmailMap {
 					fireAndForgetMentionUpdate(post.ChannelId, id)
 				}
 			}

model/channel_count.go

@@ -20,7 +20,7 @@ type ChannelCounts struct {
 func (o *ChannelCounts) Etag() string {
 
 	ids := []string{}
-	for id, _ := range o.Counts {
+	for id := range o.Counts {
 		ids = append(ids, id)
 	}
 	sort.Strings(ids)

store/sql_channel_store.go

@@ -440,7 +440,7 @@ func (s SqlChannelStore) GetExtraMembers(channelId string, limit int) StoreChann
 		if err != nil {
 			result.Err = model.NewAppError("SqlChannelStore.GetExtraMembers", "We couldn't get the extra info for channel members", "channel_id="+channelId+", "+err.Error())
 		} else {
-			for i, _ := range members {
+			for i := range members {
 				members[i].Sanitize(utils.SanitizeOptions)
 			}
 			result.Data = members