Update Go modules

* Set minimum Go versoin to 1.13. (error `%w` handling)
* Add `/dist` to git ignore list.
* Update all modules to latest releases.
* Update Go versions in Travis config.

Signed-off-by: Ben Kochie <[email protected]>

.gitignore

@@ -0,0 +1 @@
+/dist

.travis.yml

@@ -4,21 +4,25 @@ jobs:
     - stage: test
       os: linux
       language: go
-      env:
-        GO111MODULE=on
+      go:
+      - 1.13.x
+      - 1.x
       script:
+        - go version
         - make test-race vet test
     # Compile
     - stage: compile
       os: linux
       language: go
+      go:
+      - 1.x
       env:
-        GO111MODULE=on
         BUILDINFOSDET=-travis
       before_install:
         - sudo apt-get update
         - sudo apt-get install -y rpm ruby ruby-dev
         - sudo gem install fpm
+        - go version
       script:
         - GOOS=linux make build-goflow-light
         - GOOS=linux make build-goflow

Makefile

@@ -90,3 +90,11 @@ package-rpm-goflow: prepare
         $(OUTPUT_GOFLOW)=/usr/bin/goflow \
         package/goflow.service=/lib/systemd/system/goflow.service \
         package/goflow.env=/etc/default/goflow
+
+.PHONY: update-go-deps
+update-go-deps:
+	@echo ">> updating Go dependencies"
+	@for m in $$(go list -mod=readonly -m -f '{{ if and (not .Indirect) (not .Main)}}{{.Path}}{{end}}' all); do \
+		go get $$m; \
+	done
+	go mod tidy

go.mod

@@ -1,12 +1,12 @@
 module github.com/cloudflare/goflow/v3
 
-go 1.12
+go 1.13
 
 require (
-	github.com/Shopify/sarama v1.22.0
-	github.com/golang/protobuf v1.3.1
-	github.com/libp2p/go-reuseport v0.0.1
-	github.com/prometheus/client_golang v0.9.2
-	github.com/sirupsen/logrus v1.4.1
-	github.com/stretchr/testify v1.3.0
+	github.com/Shopify/sarama v1.28.0
+	github.com/golang/protobuf v1.5.1
+	github.com/libp2p/go-reuseport v0.0.2
+	github.com/prometheus/client_golang v1.10.0
+	github.com/sirupsen/logrus v1.8.1
+	github.com/stretchr/testify v1.7.0
 )