Makefile

# Content

AUTHOR_NAME = "Author"
AUTHOR_EMAIL = "author@example.org"
SITE_TITLE = "Site Title"
SITE_TAGLINE = "Site Tagline"
LOCALE = "en_US.utf-8"

POSTS_PER_PAGE = 10
POSTS_PER_PAGE_ATOM = 10

POSTS = \
	post2 \
	post1 \
	$(NULL)

PAGES = \
	about \
	$(NULL)

ASSETS = \
	assets/bootstrap.bundle.min.js \
	assets/bootstrap.min.css \
	assets/jquery.slim.min.js \
	assets/custom.css \
	$(NULL)


# Arguments

BLOGC ?= $(shell which blogc)
BLOGC_RUNSERVER ?= $(shell which blogc-runserver 2> /dev/null)
ENTR ?= $(shell which entr 2> /dev/null)
MKDIR ?= $(shell which mkdir)
CP ?= $(shell which cp)

BLOGC_RUNSERVER_HOST ?= 127.0.0.1
BLOGC_RUNSERVER_PORT ?= 8080

OUTPUT_DIR ?= _build
BASE_DOMAIN ?= http://example.org
BASE_URL ?=

DATE_FORMAT = "%b %d, %Y, %I:%M %p GMT"
DATE_FORMAT_ATOM = "%Y-%m-%dT%H:%M:%SZ"

BLOGC_COMMAND = \
	LC_ALL=$(LOCALE) \
	$(BLOGC) \
		-D AUTHOR_NAME=$(AUTHOR_NAME) \
		-D AUTHOR_EMAIL=$(AUTHOR_EMAIL) \
		-D SITE_TITLE=$(SITE_TITLE) \
		-D SITE_TAGLINE=$(SITE_TAGLINE) \
		-D BASE_DOMAIN=$(BASE_DOMAIN) \
		-D BASE_URL=$(BASE_URL) \
	$(NULL)


# Rules

POSTS_LIST = $(addprefix content/post/, $(addsuffix .txt, $(POSTS)))
PAGES_LIST = $(addprefix content/, $(addsuffix .txt, $(PAGES)))

LAST_PAGE = $(shell $(BLOGC_COMMAND) \
	-D FILTER_PAGE=1 \
	-D FILTER_PER_PAGE=$(POSTS_PER_PAGE) \
	-p LAST_PAGE \
	-l \
	$(POSTS_LIST))

ALL_LIST = \
	$(POSTS_LIST) \
	$(PAGES_LIST) \
	$(ASSETS) \
	templates/main.tmpl \
	templates/atom.tmpl \
	Makefile \
	$(NULL)

all: \
	$(OUTPUT_DIR)/index.html \
	$(OUTPUT_DIR)/atom.xml \
	$(addprefix $(OUTPUT_DIR)/, $(ASSETS)) \
	$(addprefix $(OUTPUT_DIR)/post/, $(addsuffix /index.html, $(POSTS))) \
	$(addprefix $(OUTPUT_DIR)/, $(addsuffix /index.html, $(PAGES))) \
	$(addprefix $(OUTPUT_DIR)/page/, $(addsuffix /index.html, \
		$(shell for i in $(shell seq 1 $(LAST_PAGE)); do echo $$i; done)))

$(OUTPUT_DIR)/index.html: $(POSTS_LIST) templates/main.tmpl Makefile
	$(BLOGC_COMMAND) \
		-D DATE_FORMAT=$(DATE_FORMAT) \
		-D FILTER_PAGE=1 \
		-D FILTER_PER_PAGE=$(POSTS_PER_PAGE) \
		-D MENU=blog \
		-l \
		-o $@ \
		-t templates/main.tmpl \
		$(POSTS_LIST)

$(OUTPUT_DIR)/page/%/index.html: $(POSTS_LIST) templates/main.tmpl Makefile
	$(BLOGC_COMMAND) \
		-D DATE_FORMAT=$(DATE_FORMAT) \
		-D FILTER_PAGE=$(shell echo $@ | sed -e 's,^$(OUTPUT_DIR)/page/,,' -e 's,/index\.html$$,,')\
		-D FILTER_PER_PAGE=$(POSTS_PER_PAGE) \
		-D MENU=blog \
		-l \
		-o $@ \
		-t templates/main.tmpl \
		$(POSTS_LIST)

$(OUTPUT_DIR)/atom.xml: $(POSTS_LIST) templates/atom.tmpl Makefile
	$(BLOGC_COMMAND) \
		-D DATE_FORMAT=$(DATE_FORMAT_ATOM) \
		-D FILTER_PAGE=1 \
		-D FILTER_PER_PAGE=$(POSTS_PER_PAGE_ATOM) \
		-l \
		-o $@ \
		-t templates/atom.tmpl \
		$(POSTS_LIST)

IS_POST = 0

$(OUTPUT_DIR)/about/index.html: MENU = about

$(OUTPUT_DIR)/post/%/index.html: MENU = blog
$(OUTPUT_DIR)/post/%/index.html: IS_POST = 1

$(OUTPUT_DIR)/%/index.html: content/%.txt templates/main.tmpl Makefile
	$(BLOGC_COMMAND) \
		-D DATE_FORMAT=$(DATE_FORMAT) \
		-D MENU=$(MENU) \
		$(shell test "$(IS_POST)" -eq 1 && echo -D IS_POST=1) \
		-o $@ \
		-t templates/main.tmpl \
		$<

$(OUTPUT_DIR)/assets/%: assets/% Makefile
	$(MKDIR) -p $(dir $@) && \
		$(CP) $< $@

ifneq ($(BLOGC_RUNSERVER),)
.PHONY: serve
serve: all
	$(BLOGC_RUNSERVER) \
		-t $(BLOGC_RUNSERVER_HOST) \
		-p $(BLOGC_RUNSERVER_PORT) \
		$(OUTPUT_DIR)
endif

ifneq ($(ENTR),)
.PHONY: reload
reload:
	for i in $(ALL_LIST); do echo $$i; done | $(ENTR) -r $(MAKE) serve
endif

clean:
	rm -rf "$(OUTPUT_DIR)"

.PHONY: all clean