document Makefile variables

Makefile

@@ -1,16 +1,17 @@
-I :=	inventory
+I :=	inventory		# inventory file
-L :=	"$(shell hostname -s)"
+L :=	"$(shell hostname -s)"	# host limit
-C :=	-c local
+C :=	-c local		# connection
-K :=	-K
+K :=	-K			# prompt for sudo password
-P :=	site.yml
+O :=				# additional options
-V :=	-vvv
+P :=	site.yml		# playbook
+V :=	-vvv			# verbosity
 
 all: deploy
 
 check:
-	ansible-playbook -i $I -l $L $C $K --syntax-check $V $P
+	ansible-playbook -i $I -l $L $C $K --syntax-check $V $O $P
 
 deploy:
-	ansible-playbook -i $I -l $L $C $K $V $P
+	ansible-playbook -i $I -l $L $C $K $V $O $P
 
 .PHONY: all check deploy