Merge pull request #358 from goreleaser/docker-snapshot

fixed docker version name when snapshots

pipeline/docker/docker.go

@@ -61,7 +61,7 @@ func (Pipe) Run(ctx *context.Context) error {
 func doRun(ctx *context.Context, folder string, docker config.Docker, binary context.Binary) error {
 	var root = filepath.Join(ctx.Config.Dist, folder)
 	var dockerfile = filepath.Join(root, filepath.Base(docker.Dockerfile))
-	var image = fmt.Sprintf("%s:%s", docker.Image, ctx.Git.CurrentTag)
+	var image = fmt.Sprintf("%s:%s", docker.Image, ctx.Version)
 
 	if err := os.Link(docker.Dockerfile, dockerfile); err != nil {
 		return errors.Wrap(err, "failed to link dockerfile")

pipeline/docker/docker_test.go

@@ -27,9 +27,7 @@ func TestRunPipe(t *testing.T) {
 	// this might fail as the image doesnt exist yet, so lets ignore the error
 	_ = exec.Command("docker", "rmi", "goreleaser/test_run_pipe:v1.0.0").Run()
 	var ctx = &context.Context{
-		Git: context.GitInfo{
-			CurrentTag: "v1.0.0",
-		},
+		Version: "1.0.0",
 		Publish: true,
 		Config: config.Project{
 			ProjectName: "mybin",
@@ -59,12 +57,12 @@ func TestRunPipe(t *testing.T) {
 	// this might should not fail as the image should have been created when
 	// the step ran
 	assert.NoError(
-		exec.Command("docker", "rmi", "goreleaser/test_run_pipe:v1.0.0").Run(),
+		exec.Command("docker", "rmi", "goreleaser/test_run_pipe:1.0.0").Run(),
 	)
 	// the test_run_pipe_nope image should not have been created, so deleting
 	// it should fail
 	assert.Error(
-		exec.Command("docker", "rmi", "goreleaser/test_run_pipe_nope:v1.0.0").Run(),
+		exec.Command("docker", "rmi", "goreleaser/test_run_pipe_nope:1.0.0").Run(),
 	)
 }