fix: remove dep on stringer

Makefile

@@ -7,8 +7,6 @@ export PATH := ./bin:$(PATH)
 
 # Install all the build and lint dependencies
 setup:
-	go get -u golang.org/x/tools/cmd/stringer
-	go get -u golang.org/x/tools/cmd/cover
 	curl -sfL https://install.goreleaser.com/github.com/golangci/golangci-lint.sh | sh
 	curl -sfL https://install.goreleaser.com/github.com/gohugoio/hugo.sh | sh
 	curl -sfL https://install.goreleaser.com/github.com/caarlos0/bandep.sh | sh
@@ -55,7 +53,6 @@ ci: build test lint
 
 # Build a beta version of goreleaser
 build:
-	go generate ./...
 	go build
 .PHONY: build
 

internal/artifact/artifact.go

@@ -32,6 +32,26 @@ const (
 	Signature
 )
 
+func (t Type) String() string {
+	switch t {
+	case UploadableArchive:
+		return "Archive"
+	case UploadableBinary:
+		return "Binary"
+	case Binary:
+		return "Binary"
+	case LinuxPackage:
+		return "LinuxPackage"
+	case DockerImage:
+		return "DockerImage"
+	case Checksum:
+		return "Checksum"
+	case Signature:
+		return "Signature"
+	}
+	return "unknown"
+}
+
 // Artifact represents an artifact and its relevant info
 type Artifact struct {
 	Name   string