chore: making the Makefile change a bit more readable

Author: dotkas

Makefile

@@ -183,7 +183,7 @@ $(BINARY_WRAPPER_DIR)/src/generated/version: $(BINARY_WRAPPER_DIR)/src/generated
 $(BINARY_WRAPPER_DIR)/src/generated/sha256sums.txt:
 	@echo "-- Generating $(@F)"
 	@mkdir -p $(dir $@)
-	@ls $(BINARY_OUTPUT_FOLDER)/*.sha256 2>/dev/null | xargs cat > $@ 2>/dev/null || echo "# No sha256 files found yet" > $@
+	@{ cat $(BINARY_OUTPUT_FOLDER)/*.sha256 2>/dev/null || echo "# No sha256 files found yet"; } > $@
 
 .PHONY: build-binary-wrapper
 build-binary-wrapper: pre-build-binary-wrapper $(BINARY_WRAPPER_DIR)/src/generated/version $(BINARY_WRAPPER_DIR)/src/generated/sha256sums.txt