HTTPDUSER is now a configurable Makefile variable

.gitignore

@@ -6,3 +6,4 @@ vendor/
 www/js/
 www/css/
 config.local.json
+config.mk

Makefile

@@ -3,7 +3,8 @@ WWW_DIR   := www
 LIB_DIR   := vendor
 SCRIPTS   := forms scores
 STYLES    := main
-HTTPDUSER := www-data
+
+include config.mk  # defines HTTPDUSER
 
 SCRIPTS := $(patsubst %,$(WWW_DIR)/js/%.js,$(SCRIPTS))
 STYLES  := $(patsubst %,$(WWW_DIR)/css/%.css,$(STYLES))
@@ -39,7 +40,7 @@ min: all
 
 $(CACHE_DIR):
 	mkdir $@
-	setfacl -R -m u:"$(HTTPDUSER)":rwX $@
+	setfacl -R -m u:$(HTTPDUSER):rwX -- $@
 
 clean:
 	rm -f $(SCRIPTS) $(STYLES) *.bak