add dep checking.

site/Makefile

@@ -3,7 +3,7 @@ STATIC_CSS = $(STATIC)/css
 STATIC_JS = $(STATIC)/js
 
 
-all: hello build
+all: hello deps build
 
 
 hello:
@@ -32,12 +32,17 @@ coffee:
 
 
 clean:
-	rm -f $(STATIC_CSS) $(STATIC_JS)
+	rm -fr $(STATIC_CSS) $(STATIC_JS)
 	mkdir -p $(STATIC_CSS) $(STATIC_JS)
 
 
 devel:
 	@./devel.sh
 
+deps:
+	set -e; for x in $(shell cat dependencies); do \
+		echo "Checking for dependency: $$x"; \
+		dpkg-query -s $$x >/dev/null 2>&1; \
+	done;
 
 .PHONY: build clean less coffee devel

site/dependencies

@@ -0,0 +1,3 @@
+coffeescript
+node-uglify
+node-less