fix: makefile should set GOOS (#132)

Makefile

@@ -17,13 +17,16 @@ CLEAN_COMMIT ?= "$(shell git describe --long --always --match "" || true)"
 COMMIT_TIME ?= "$(shell git show -s --format=%ct $(CLEAN_COMMIT) || true)"
 LDFLAGS ?= -s -w -X github.com/gauss-project/aurorafs.commitHash="$(COMMIT_HASH)" -X github.com/gauss-project/aurorafs.commitTime="$(COMMIT_TIME)"
 
+GOOS ?= "$(shell go env GOOS)"
+SHELL=bash
+
 .PHONY: all
 all: build lint vet test-race binary
 
 .PHONY: binary
 binary: dist FORCE
 	$(GO) version
-ifeq ("$(shell go env GOOS)", "windows")
+ifeq ("$(GOOS)", "windows")
 	set CGO_ENABLED=0
 	$(GO) build -trimpath -ldflags "$(LDFLAGS)" -o dist/aurora.exe ./cmd/aurorafs
 else