Makefile fix (detect missing title)

patrick-markdown/Makefile

@@ -1,10 +1,11 @@
 SHELL := /bin/bash
 
 # CSS to be included as stylesheets and alternate stylesheets
-CSS      := assets/ghost.css
-ALTCSS   := assets/ghost-dark.css assets/ghost-caca.css
+CSS      := assets/ghost-dark.css
+ALTCSS   := assets/ghost.css
 
-TARGETS  := $(patsubst %.md,%.html,$(wildcard *.md))
+MDFILES  := $(wildcard *.md)
+TARGETS  := $(patsubst %.md,%.html,$(MDFILES))
 CSSINC   := css.inc
 
 # our main html5 template, mostly taken from :
@@ -22,8 +23,9 @@ TITLE = $(shell sed -n '0,/^\#/ s/^[\# ]*//p' $1)
 OPTS     = --standalone --include-in-header=$(CSSINC) --template=$(TEMPLATE) \
            --from=gfm --to=html5
 
-.PHONY: all html clean
+.PHONY: titles all html clean
 
+#all: $(CSSINC) titles html
 all: $(CSSINC) html
 
 html: $(TARGETS)
@@ -40,5 +42,10 @@ $(CSSINC): $(CSS) $(ALTCSS)
 	@$(foreach css,$(ALTCSS),$(call ADD_LINE,$(css),alternate stylesheet,$@))
 
 %.html: %.md $(CSSINC)
-	@echo generating $@
-	@pandoc $(OPTS) --metadata=title:"$(call TITLE,$<)" -o $@ $<
+	@echo -n "generating $@... "
+	@if ! grep -q "^#" $< ; then                                      \
+	    echo "ERROR (no title), skipping." ;                          \
+	else                                                              \
+	    pandoc $(OPTS) --metadata=title:"$(call TITLE,$<)" -o $@ $< ; \
+	    echo done. ;                                                  \
+	fi