Improve build

Makefile

@@ -0,0 +1,53 @@
+NAME=sing-box
+COMMIT=$(shell git rev-parse --short HEAD)
+PARAMS=-trimpath -tags '$(TAGS)' -ldflags \
+		'-X "github.com/sagernet/sing-box/constant.Commit=$(COMMIT)" \
+		-w -s -buildid='
+MAIN=./cmd/sing-box
+
+.PHONY: test release
+
+build:
+	go build $(PARAMS) $(MAIN)
+
+action_version: build
+	echo "::set-output name=VERSION::`./sing-box version -n`"
+
+install:
+	go install $(PARAMS) $(MAIN)
+
+release:
+	goreleaser release --snapshot --rm-dist
+
+fmt_install:
+	go install -v mvdan.cc/gofumpt@latest
+	go install -v github.com/daixiang0/gci@v0.4.0
+
+fmt:
+	gofumpt -l -w .
+	gofmt -s -w .
+	gci write -s "standard,prefix(github.com/sagernet/),default" .
+
+lint_install:
+	go install github.com/golangci/golangci-lint/cmd/golangci-lint@latest
+
+lint:
+	GOOS=linux golangci-lint run ./...
+	GOOS=windows golangci-lint run ./...
+	GOOS=darwin golangci-lint run ./...
+	GOOS=freebsd golangci-lint run ./...
+
+test:
+	go test -v . && \
+	pushd test && \
+	go test -v . && \
+	popd
+
+clean:
+	rm -rf bin dist
+	rm -f $(shell go env GOPATH)/sing-box
+
+update:
+	git fetch
+	git reset FETCH_HEAD --hard
+	git clean -fdx