check if build dir exists before chown

Signed-off-by: Andrew Hsu <andrewhsu@docker.com> (cherry picked from commit 46dd23f1fc2863741783f0584dad1a42815e5438) Signed-off-by: Andrew Hsu <andrewhsu@docker.com>
2017-07-14 04:51:59 +00:00
parent 4581021c2e
commit 9cb6e86615
1 changed files with 1 additions and 1 deletions
@@ -14,7 +14,7 @@ help: ## show make targets
 	@awk 'BEGIN {FS = ":.*?## "} /^[a-zA-Z_-]+:.*?## / {sub("\\\\n",sprintf("\n%22c"," "), $$2);printf " \033[36m%-20s\033[0m  %s\n", $$1, $$2}' $(MAKEFILE_LIST)

 clean: ## remove build artifacts
-	$(CHOWN) -R $(shell id -u):$(shell id -g) build
+	[ ! -d build ] || $(CHOWN) -R $(shell id -u):$(shell id -g) build
 	$(RM) -r build

 static: static-linux cross-mac cross-win cross-arm ## create all static packages