improve Makefile

Makefile

@@ -13,11 +13,11 @@ build:
 
 .PHONY: install
 install:
-	go install -ldflags=$(BUILD_LDFLAGS) ./...
+	go install -ldflags=$(BUILD_LDFLAGS) ./cmd/$(BIN)
 
 .PHONY: show-version
 show-version: $(GOBIN)/gobump
-	@gobump show -r $(VERSION_PATH)
+	@gobump show -r "$(VERSION_PATH)"
 
 $(GOBIN)/gobump:
 	@go install github.com/x-motemen/gobump/cmd/gobump@latest
@@ -55,17 +55,12 @@ clean:
 
 .PHONY: bump
 bump: $(GOBIN)/gobump
-ifneq ($(shell git status --porcelain),)
-	$(error git workspace is dirty)
-endif
-ifneq ($(shell git rev-parse --abbrev-ref HEAD),master)
-	$(error current branch is not master)
-endif
+	test -z "$$(git status --porcelain || echo .)"
+	test "$$(git branch --show-current)" = "main"
 	@gobump up -w "$(VERSION_PATH)"
 	git commit -am "bump up version to $(VERSION)"
 	git tag "v$(VERSION)"
-	git push origin master
-	git push origin "refs/tags/v$(VERSION)"
+	git push --atomic origin main tag "v$(VERSION)"
 
 .PHONY: upload
 upload: $(GOBIN)/ghr