add versioned dockerfiles

.travis.yml

@@ -1,7 +1,22 @@
 language: go
+sudo: required
+services:
+  - docker
+
 go:
-  - 1.6
-  - 1.5
+  - "1.10"
+  - "1.9"
+  - "1.8"
+
 env:
-  - GO15VENDOREXPERIMENT=1
+  global:
+  - WATCHER_VERSION=0.2.4
+
+matrix:
+  fast_finish: true
+
+script: go test ./...
+
+after_success:
+  ./build.sh
 

Dockerfiles/Dockerfile.go1.10

@@ -0,0 +1,9 @@
+FROM golang:1.10-alpine3.7
+
+VOLUME /go/src
+
+ARG WATCHER_VERSION=0.2.4
+
+ADD watcher $GOPATH/bin/watcher
+
+CMD ["watcher"]

Dockerfiles/Dockerfile.go1.8

@@ -0,0 +1,9 @@
+FROM golang:1.8-alpine3.6
+
+VOLUME /go/src
+
+ARG WATCHER_VERSION=0.2.4
+
+ADD watcher $GOPATH/bin/watcher
+
+CMD ["watcher"]

Dockerfiles/Dockerfile.go1.9

@@ -0,0 +1,9 @@
+FROM golang:1.9-alpine3.7
+
+VOLUME /go/src
+
+ARG WATCHER_VERSION=0.2.4
+
+ADD watcher $GOPATH/bin/watcher
+
+CMD ["watcher"]

build.sh

@@ -0,0 +1,10 @@
+#!/bin/bash -xe
+#if [ "$TRAVIS_BRANCH" == "master" ]; then
+  go build -o watcher cmd/watcher/main.go
+  docker login -u "$DOCKER_USERNAME" -p "$DOCKER_PASSWORD"
+  GO_VERSION=$(go version | awk '{print $3}')
+
+  docker build -f Dockerfiles/Dockerfile.$GO_VERSION -t canthefason/go-watcher:$WATCHER_VERSION-$GO_VERSION .
+
+  docker push canthefason/go-watcher:$WATCHER_VERSION-$GO_VERSION
+#fi

common_test.go

@@ -8,7 +8,7 @@ func TestParamsGet(t *testing.T) {
 
 	run := params.Get("run")
 	if run != "statler" {
-		t.Error("Expected statler but got %s in params.Get()", run)
+		t.Errorf("Expected statler but got %s in params.Get()", run)
 		t.FailNow()
 	}
 }
@@ -20,7 +20,7 @@ func TestParamsClone(t *testing.T) {
 	params.cloneRunFlag()
 	watch := params.Get("watch")
 	if watch != "statler" {
-		t.Error("Expected statler but got %s when watch param is not set", watch)
+		t.Errorf("Expected statler but got %s when watch param is not set", watch)
 	}
 
 	params.Watcher["watch"] = "waldorf"

watch.go

@@ -41,7 +41,7 @@ func MustRegisterWatcher(params *Params) *Watcher {
 	if watchVendorStr != "" {
 		watchVendor, err = strconv.ParseBool(watchVendorStr)
 		if err != nil {
-			log.Println("Wrong watch-vendor value: %s (default=false)", watchVendorStr)
+			log.Printf("Wrong watch-vendor value: %s (default=false)\n", watchVendorStr)
 		}
 	}