[web-old.git] / blogit

#!/usr/bin/make -f
# Source: https://pedantic.software/git/blogit/
BLOG := $(MAKE) -f $(lastword $(MAKEFILE_LIST)) --no-print-directory
ifneq ($(filter-out help,$(MAKECMDGOALS)),)
include config
endif

# The following can be configured in config
BLOG_DATE_FORMAT_INDEX ?= %x
BLOG_DATE_FORMAT ?= %x %X
BLOG_TITLE ?= blog
BLOG_DESCRIPTION ?= blog
BLOG_URL_ROOT ?= http://localhost/blog
BLOG_FEED_MAX ?= 20
BLOG_FEEDS ?= rss atom
BLOG_SRC ?= articles


.PHONY: help init build deploy clean

ARTICLES = $(shell git ls-tree HEAD --name-only -- $(BLOG_SRC)/ 2>/dev/null)
TAGFILES = $(patsubst $(BLOG_SRC)/%.md,tags/%,$(ARTICLES))

help:
	$(info blogit init|build|deploy|clean)

init:
	mkdir -p $(BLOG_SRC) data templates
	printf '<!DOCTYPE html><html><head><title>$$TITLE</title></head><body>' > templates/header.html
	printf '</body></html>' > templates/footer.html
	printf '' > templates/index_header.html
	printf '<p>Tags:' > templates/tag_list_header.html
	printf '<a href="$$URL">$$NAME</a>' > templates/tag_entry.html
	printf ', ' > templates/tag_separator.html
	printf '</p>' > templates/tag_list_footer.html
	printf '<h2>Articles</h2><ul>' > templates/article_list_header.html
	printf '<li><a href="$$URL">$$DATE $$TITLE</a></li>' > templates/article_entry.html
	printf '' > templates/article_separator.html
	printf '</ul>' > templates/article_list_footer.html
	printf '' > templates/index_footer.html
	printf '' > templates/tag_index_header.html
	printf '' > templates/tag_index_footer.html
	printf '<h1>$$TITLE</h1>' > templates/article_header.html
	printf '' > templates/article_footer.html
	printf 'blog\n' > .git/info/exclude

build: blog/index.html tagpages $(patsubst $(BLOG_SRC)/%.md,blog/%.html,$(ARTICLES)) $(patsubst %,blog/%.xml,$(BLOG_FEEDS))

deploy: build
	rsync -rLtvz $(BLOG_RSYNC_OPTS) blog/ data/ $(BLOG_REMOTE)

clean:
	rm -rf blog tags

config:
	printf 'BLOG_REMOTE:=%s\n' \
		'$(shell printf "Blog remote (eg: host:/var/www/html): ">/dev/tty; head -n1)' \
		> $@

tags/%: $(BLOG_SRC)/%.md
	mkdir -p tags
	grep -i '^; *tags:' "$<" | cut -d: -f2- | sed 's/  */\n/g' | sed '/^$$/d' | sort -u > $@

blog/index.html: $(ARTICLES) $(TAGFILES) $(addprefix templates/,$(addsuffix .html,header index_header tag_list_header tag_entry tag_separator tag_list_footer article_list_header article_entry article_separator article_list_footer index_footer footer))
	mkdir -p blog
	TITLE="$(BLOG_TITLE)"; \
	export TITLE; \
	envsubst < templates/header.html > $@; \
	envsubst < templates/index_header.html >> $@; \
	envsubst < templates/tag_list_header.html >> $@; \
	first=true; \
	for t in $(shell cat $(TAGFILES) | sort -u); do \
		"$$first" || envsubst < templates/tag_separator.html; \
		NAME="$$t" \
		URL="@$$t.html" \
		envsubst < templates/tag_entry.html; \
		first=false; \
	done >> $@; \
	envsubst < templates/tag_list_footer.html >> $@; \
	envsubst < templates/article_list_header.html >> $@; \
	first=true; \
	for f in $(ARTICLES); do \
		printf '%s ' "$$f"; \
		git log --diff-filter=A --date="format:%s $(BLOG_DATE_FORMAT_INDEX)" --pretty=format:'%ad%n' -- "$$f"; \
	done | sort -k2nr | cut -d" " -f1,3- | while IFS=" " read -r FILE DATE; do \
		"$$first" || envsubst < templates/article_separator.html; \
		URL="`printf '%s' "\$$FILE" | sed 's,^$(BLOG_SRC)/\(.*\).md,\1,'`.html" \
		DATE="$$DATE" \
		TITLE="`head -n1 "\$$FILE" | sed -e 's/^# //g'`" \
		envsubst < templates/article_entry.html; \
		first=false; \
	done >> $@; \
	envsubst < templates/article_list_footer.html >> $@; \
	envsubst < templates/index_footer.html >> $@; \
	envsubst < templates/footer.html >> $@; \


blog/tag/%.html: $(ARTICLES) $(addprefix templates/,$(addsuffix .html,header tag_header index_entry tag_footer footer))

.PHONY: tagpages
tagpages: $(TAGFILES)
	+$(BLOG) $(patsubst %,blog/@%.html,$(shell cat $(TAGFILES) | sort -u))

blog/@%.html: $(TAGFILES) $(addprefix templates/,$(addsuffix .html,header tag_index_header tag_list_header tag_entry tag_separator tag_list_footer article_list_header article_entry article_separator article_list_footer tag_index_footer footer))
	mkdir -p blog
	TITLE="Articles tagged $*"; \
	TAGS="$*"; \
	export TITLE; \
	export TAGS; \
	envsubst < templates/header.html > $@; \
	envsubst < templates/tag_index_header.html >> $@; \
	envsubst < templates/article_list_header.html >> $@; \
	first=true; \
	for f in $(shell grep -FH '$*' $(TAGFILES) | sed 's,^tags/\([^:]*\):.*,$(BLOG_SRC)/\1.md,'); do \
		printf '%s ' "$$f"; \
		git log --diff-filter=A --date="format:%s $(BLOG_DATE_FORMAT_INDEX)" --pretty=format:'%ad%n' -- "$$f"; \
	done | sort -k2nr | cut -d" " -f1,3- | while IFS=" " read -r FILE DATE; do \
		"$$first" || envsubst < templates/article_separator.html; \
		URL="`printf '%s' "\$$FILE" | sed 's,^$(BLOG_SRC)/\(.*\).md,\1,'`.html" \
		DATE="$$DATE" \
		TITLE="`head -n1 "\$$FILE" | sed -e 's/^# //g'`" \
		envsubst < templates/article_entry.html; \
		first=false; \
	done >> $@; \
	envsubst < templates/article_list_footer.html >> $@; \
	envsubst < templates/tag_index_footer.html >> $@; \
	envsubst < templates/footer.html >> $@; \


blog/%.html: $(BLOG_SRC)/%.md $(addprefix templates/,$(addsuffix .html,header article_header article_footer footer))
	mkdir -p blog
	TITLE="$(shell head -n1 $<)"; \
	export TITLE; \
	AUTHOR="$(shell git log -n 1 --reverse --format="%cn" -- "$<")"; \
	export AUTHOR; \
	DATE_POSTED="$(shell git log --diff-filter=A --date="format:$(BLOG_DATE_FORMAT)" --pretty=format:'%ad' -- "$<")"; \
	export DATE_POSTED; \
	DATE_EDITED="$(shell git log -n 1 --date="format:$(BLOG_DATE_FORMAT)" --pretty=format:'%ad' -- "$<")"; \
	export DATE_EDITED; \
	TAGS="$(shell grep -i '^; *tags:' "$<" | cut -d: -f2- | paste -sd ',')"; \
	export TAGS; \
	envsubst < templates/header.html > $@; \
	envsubst < templates/article_header.html >> $@; \
	sed -e 1d \
		-e '/^;/d' \
		-e 's/&/\&amp;/g' \
		-e 's/</\&lt;/g' \
		-e 's/>/\&gt;/g' \
		-e '/^```$$/{s,.*,,;x;p;/^<\/code>/d;s,.*,<pre><code>,;bT}' \
		-e 'x;/<\/code>/{x;s,\$$,\&#36;,g;$$G;p;d};x' \
		-e 's,\\\$$,\&#36;,g' \
		-e '/^####/{s,^####,<h4>,;s,$$,</h4>,;H;s,.*,,;x;p;d}' \
		-e '/^###/{s,^###,<h3>,;s,$$,</h3>,;H;s,.*,,;x;p;d}' \
		-e '/^##/{s,^##,<h2>,;s,$$,</h2>,;H;s,.*,,;x;p;d}' \
		-e '/^#/{s,^#,<h1>,;s,$$,</h1>,;H;s,.*,,;x;p;d}' \
		-e 's,`\([^`]*\)`,<code>\1</code>,g' \
		-e 's,\*\*\(\([^*<>][^*<>]*\*\?\)*\)\*\*,<b>\1</b>,g' \
		-e 's,\*\([^*<>][^*<>]*\)\*,<i>\1</i>,g' \
		-e 's,!\[\([^]]*\)\](\([^)]*\)),<img src="\2" alt="\1"/>,g' \
		-e 's,\[\([^]]*\)\](\([^)]*\)),<a href="\2">\1</a>,g' \
		-e '/^- /{s,^- ,<li>,;s,$$,</li>,;x;/^<\/ul>/{x;bL};p;s,.*,<ul>,;bT}' \
		-e '/^[1-9][0-9]*\. /{s,^[0-9]*\. ,<li>,;s,$$,</li>,;x;/^<\/ol>/{x;bL};p;s,.*,<ol>,;bT}' \
		-e '/^$$/{x;/^$$/d;p;d}' \
		-e 'x;/^$$/{s,.*,<p>,;bT};x' \
		-e ':L;$$G;p;d' \
		-e ':T;p;:t;s,<\([^/>][^>]*\)>\(\(<[^/>][^>]*>\)*\),\2</\1>,;/<[^\/>]/bt;x;/^$$/{$${x;p};d};bL' \
		"$<" | envsubst >> $@; \
	envsubst < templates/article_footer.html >> $@; \
	envsubst < templates/footer.html >> $@; \

blog/rss.xml: $(ARTICLES)
	printf '<?xml version="1.0" encoding="UTF-8"?>\n<rss version="2.0">\n<channel>\n<title>%s</title>\n<link>%s</link>\n<description>%s</description>\n' \
		"$(BLOG_TITLE)" "$(BLOG_URL_ROOT)" "$(BLOG_DESCRIPTION)" > $@
	for f in $(ARTICLES); do \
		printf '%s ' "$$f"; \
		git log --diff-filter=A --date="format:%s %a, %d %b %Y %H:%M:%S %z" --pretty=format:'%ad%n' -- "$$f"; \
	done | sort -k2nr | head -n $(BLOG_FEED_MAX) | cut -d" " -f1,3- | while IFS=" " read -r FILE DATE; do \
		printf '<item>\n<title>%s</title>\n<link>%s</link>\n<guid>%s</guid>\n<pubDate>%s</pubDate>\n<description>%s</description>\n</item>\n' \
			"`head -n 1 $$FILE | sed 's/&/&amp;/'`" \
			"$(BLOG_URL_ROOT)/`basename $$FILE .md`.html" \
			"$(BLOG_URL_ROOT)/`basename $$FILE .md`.html" \
			"$$DATE" \
			"`sed -n 's/&/&amp;/;1d;/^$$/{2{d;b};q};p' < $$FILE`"; \
	done >> $@
	printf '</channel>\n</rss>\n' >> $@

blog/atom.xml: $(ARTICLES)
	printf '<?xml version="1.0" encoding="UTF-8"?>\n<feed xmlns="http://www.w3.org/2005/Atom" xml:lang="en">\n<title type="text">%s</title>\n<subtitle type="text">%s</subtitle>\n<updated>%s</updated>\n<link rel="alternate" type="text/html" href="%s"/>\n<id>%s</id>\n<link rel="self" type="application/atom+xml" href="%s"/>\n' \
		"$(BLOG_TITLE)" "$(BLOG_DESCRIPTION)" "$(shell date +%Y-%m-%dT%H:%M:%SZ)" "$(BLOG_URL_ROOT)" "$(BLOG_URL_ROOT)/atom.xml" "$(BLOG_URL_ROOT)/atom.xml" > $@
	for f in $(ARTICLES); do \
		printf '%s ' "$$f"; \
		git log --diff-filter=A --date="format:%s %Y-%m-%dT%H:%M:%SZ" --pretty=format:'%ad %aN%n' -- "$$f"; \
	done | sort -k2nr | head -n $(BLOG_FEED_MAX) | cut -d" " -f1,3- | while IFS=" " read -r FILE DATE AUTHOR; do \
		printf '<entry>\n<title type="text">%s</title>\n<link rel="alternate" type="text/html" href="%s"/>\n<id>%s</id>\n<published>%s</published>\n<updated>%s</updated>\n<author><name>%s</name></author>\n<summary type="text">%s</summary>\n</entry>\n' \
			"`head -n 1 $$FILE | sed 's/&/&amp;/'`" \
			"$(BLOG_URL_ROOT)/`basename $$FILE .md`.html" \
			"$(BLOG_URL_ROOT)/`basename $$FILE .md`.html" \
			"$$DATE" \
			"`git log -n 1 --date="format:%Y-%m-%dT%H:%M:%SZ" --pretty=format:'%ad' -- "$$FILE"`" \
			"$$AUTHOR" \
			"`sed -n 's/&/&amp;/;1d;/^$$/{2{d;b};q};p' < $$FILE`"; \
	done >> $@
	printf '</feed>\n' >> $@
Commit	Line	Data
0324a0cf JM	1	#!/usr/bin/make -f
	2	# Source: https://pedantic.software/git/blogit/
	3	BLOG := $(MAKE) -f $(lastword $(MAKEFILE_LIST)) --no-print-directory
	4	ifneq ($(filter-out help,$(MAKECMDGOALS)),)
	5	include config
	6	endif
	7
	8	# The following can be configured in config
	9	BLOG_DATE_FORMAT_INDEX ?= %x
	10	BLOG_DATE_FORMAT ?= %x %X
	11	BLOG_TITLE ?= blog
	12	BLOG_DESCRIPTION ?= blog
	13	BLOG_URL_ROOT ?= http://localhost/blog
	14	BLOG_FEED_MAX ?= 20
	15	BLOG_FEEDS ?= rss atom
	16	BLOG_SRC ?= articles
	17
	18
	19	.PHONY: help init build deploy clean
	20
	21	ARTICLES = $(shell git ls-tree HEAD --name-only -- $(BLOG_SRC)/ 2>/dev/null)
	22	TAGFILES = $(patsubst $(BLOG_SRC)/%.md,tags/%,$(ARTICLES))
	23
	24	help:
	25	$(info blogit init\|build\|deploy\|clean)
	26
	27	init:
	28	mkdir -p $(BLOG_SRC) data templates
	29	printf '<!DOCTYPE html><html><head><title>$$TITLE</title></head><body>' > templates/header.html
	30	printf '</body></html>' > templates/footer.html
	31	printf '' > templates/index_header.html
	32	printf '<p>Tags:' > templates/tag_list_header.html
	33	printf '<a href="$$URL">$$NAME</a>' > templates/tag_entry.html
	34	printf ', ' > templates/tag_separator.html
	35	printf '</p>' > templates/tag_list_footer.html
	36	printf '<h2>Articles</h2><ul>' > templates/article_list_header.html
	37	printf '<li><a href="$$URL">$$DATE $$TITLE</a></li>' > templates/article_entry.html
	38	printf '' > templates/article_separator.html
	39	printf '</ul>' > templates/article_list_footer.html
	40	printf '' > templates/index_footer.html
	41	printf '' > templates/tag_index_header.html
	42	printf '' > templates/tag_index_footer.html
	43	printf '<h1>$$TITLE</h1>' > templates/article_header.html
	44	printf '' > templates/article_footer.html
	45	printf 'blog\n' > .git/info/exclude
	46
	47	build: blog/index.html tagpages $(patsubst $(BLOG_SRC)/%.md,blog/%.html,$(ARTICLES)) $(patsubst %,blog/%.xml,$(BLOG_FEEDS))
	48
	49	deploy: build
	50	rsync -rLtvz $(BLOG_RSYNC_OPTS) blog/ data/ $(BLOG_REMOTE)
	51
	52	clean:
	53	rm -rf blog tags
	54
	55	config:
	56	printf 'BLOG_REMOTE:=%s\n' \
	57	'$(shell printf "Blog remote (eg: host:/var/www/html): ">/dev/tty; head -n1)' \
	58	> $@
	59
	60	tags/%: $(BLOG_SRC)/%.md
	61	mkdir -p tags
	62	grep -i '^; tags:' "$<" \| cut -d: -f2- \| sed 's/ /\n/g' \| sed '/^$$/d' \| sort -u > $@
	63
	64	blog/index.html: $(ARTICLES) $(TAGFILES) $(addprefix templates/,$(addsuffix .html,header index_header tag_list_header tag_entry tag_separator tag_list_footer article_list_header article_entry article_separator article_list_footer index_footer footer))
65	mkdir -p blog
66	TITLE="$(BLOG_TITLE)"; \
67	export TITLE; \
68	envsubst < templates/header.html > $@; \
69	envsubst < templates/index_header.html >> $@; \
70	envsubst < templates/tag_list_header.html >> $@; \
71	first=true; \
72	for t in $(shell cat $(TAGFILES) \| sort -u); do \
73	"$$first" \|\| envsubst < templates/tag_separator.html; \
74	NAME="$$t" \
75	URL="@$$t.html" \
76	envsubst < templates/tag_entry.html; \
77	first=false; \
78	done >> $@; \
79	envsubst < templates/tag_list_footer.html >> $@; \
80	envsubst < templates/article_list_header.html >> $@; \
81	first=true; \
82	for f in $(ARTICLES); do \
83	printf '%s ' "$$f"; \
84	git log --diff-filter=A --date="format:%s $(BLOG_DATE_FORMAT_INDEX)" --pretty=format:'%ad%n' -- "$$f"; \
85	done \| sort -k2nr \| cut -d" " -f1,3- \| while IFS=" " read -r FILE DATE; do \
86	"$$first" \|\| envsubst < templates/article_separator.html; \
87	URL="`printf '%s' "\$$FILE" \| sed 's,^$(BLOG_SRC)/\(.*\).md,\1,'`.html" \
88	DATE="$$DATE" \
89	TITLE="`head -n1 "\$$FILE" \| sed -e 's/^# //g'`" \
90	envsubst < templates/article_entry.html; \
91	first=false; \
92	done >> $@; \
93	envsubst < templates/article_list_footer.html >> $@; \
94	envsubst < templates/index_footer.html >> $@; \
95	envsubst < templates/footer.html >> $@; \
96
97
98	blog/tag/%.html: $(ARTICLES) $(addprefix templates/,$(addsuffix .html,header tag_header index_entry tag_footer footer))
99
100	.PHONY: tagpages
101	tagpages: $(TAGFILES)
102	+$(BLOG) $(patsubst %,blog/@%.html,$(shell cat $(TAGFILES) \| sort -u))
103
104	blog/@%.html: $(TAGFILES) $(addprefix templates/,$(addsuffix .html,header tag_index_header tag_list_header tag_entry tag_separator tag_list_footer article_list_header article_entry article_separator article_list_footer tag_index_footer footer))
105	mkdir -p blog
106	TITLE="Articles tagged $*"; \
107	TAGS="$*"; \
108	export TITLE; \
109	export TAGS; \
110	envsubst < templates/header.html > $@; \
111	envsubst < templates/tag_index_header.html >> $@; \
112	envsubst < templates/article_list_header.html >> $@; \
113	first=true; \
114	for f in $(shell grep -FH '$' $(TAGFILES) \| sed 's,^tags/\([^:]\):.*,$(BLOG_SRC)/\1.md,'); do \
115	printf '%s ' "$$f"; \
116	git log --diff-filter=A --date="format:%s $(BLOG_DATE_FORMAT_INDEX)" --pretty=format:'%ad%n' -- "$$f"; \
117	done \| sort -k2nr \| cut -d" " -f1,3- \| while IFS=" " read -r FILE DATE; do \
118	"$$first" \|\| envsubst < templates/article_separator.html; \
119	URL="`printf '%s' "\$$FILE" \| sed 's,^$(BLOG_SRC)/\(.*\).md,\1,'`.html" \
120	DATE="$$DATE" \
121	TITLE="`head -n1 "\$$FILE" \| sed -e 's/^# //g'`" \
122	envsubst < templates/article_entry.html; \
123	first=false; \
124	done >> $@; \
125	envsubst < templates/article_list_footer.html >> $@; \
126	envsubst < templates/tag_index_footer.html >> $@; \
127	envsubst < templates/footer.html >> $@; \
128
129
130	blog/%.html: $(BLOG_SRC)/%.md $(addprefix templates/,$(addsuffix .html,header article_header article_footer footer))
131	mkdir -p blog
132	TITLE="$(shell head -n1 $<)"; \
133	export TITLE; \
134	AUTHOR="$(shell git log -n 1 --reverse --format="%cn" -- "$<")"; \
135	export AUTHOR; \
136	DATE_POSTED="$(shell git log --diff-filter=A --date="format:$(BLOG_DATE_FORMAT)" --pretty=format:'%ad' -- "$<")"; \
137	export DATE_POSTED; \
138	DATE_EDITED="$(shell git log -n 1 --date="format:$(BLOG_DATE_FORMAT)" --pretty=format:'%ad' -- "$<")"; \
139	export DATE_EDITED; \
140	TAGS="$(shell grep -i '^; *tags:' "$<" \| cut -d: -f2- \| paste -sd ',')"; \
141	export TAGS; \
142	envsubst < templates/header.html > $@; \
143	envsubst < templates/article_header.html >> $@; \
144	sed -e 1d \
145	-e '/^;/d' \
146	-e 's/&/\&/g' \
147	-e 's/</\</g' \
148	-e 's/>/\>/g' \
149	-e '/^```$$/{s,.,,;x;p;/^<\/code>/d;s,.,<pre><code>,;bT}' \
150	-e 'x;/<\/code>/{x;s,\$$,\$,g;$$G;p;d};x' \
151	-e 's,\\\$$,\$,g' \
152	-e '/^####/{s,^####,<h4>,;s,$$,</h4>,;H;s,.*,,;x;p;d}' \
153	-e '/^###/{s,^###,<h3>,;s,$$,</h3>,;H;s,.*,,;x;p;d}' \
154	-e '/^##/{s,^##,<h2>,;s,$$,</h2>,;H;s,.*,,;x;p;d}' \
155	-e '/^#/{s,^#,<h1>,;s,$$,</h1>,;H;s,.*,,;x;p;d}' \
156	-e 's,`\([^`]*\)`,<code>\1</code>,g' \
157	-e 's,\\\(\([^<>][^<>]\\?\)\)\\*,<b>\1</b>,g' \
158	-e 's,\\([^<>][^<>]\)\*,<i>\1</i>,g' \
159	-e 's,!\[\([^]]\)\](\([^)]\)),<img src="\2" alt="\1"/>,g' \
160	-e 's,\[\([^]]\)\](\([^)]\)),<a href="\2">\1</a>,g' \
161	-e '/^- /{s,^- ,<li>,;s,$$,</li>,;x;/^<\/ul>/{x;bL};p;s,.*,<ul>,;bT}' \
162	-e '/^[1-9][0-9]\. /{s,^[0-9]\. ,<li>,;s,$$,</li>,;x;/^<\/ol>/{x;bL};p;s,.*,<ol>,;bT}' \
163	-e '/^$$/{x;/^$$/d;p;d}' \
164	-e 'x;/^$$/{s,.*,<p>,;bT};x' \
165	-e ':L;$$G;p;d' \
166	-e ':T;p;:t;s,<\([^/>][^>]\)>\(\(<[^/>][^>]>\)*\),\2</\1>,;/<[^\/>]/bt;x;/^$$/{$${x;p};d};bL' \
167	"$<" \| envsubst >> $@; \
168	envsubst < templates/article_footer.html >> $@; \
169	envsubst < templates/footer.html >> $@; \
170
171	blog/rss.xml: $(ARTICLES)
172	printf '<?xml version="1.0" encoding="UTF-8"?>\n<rss version="2.0">\n<channel>\n<title>%s</title>\n<link>%s</link>\n<description>%s</description>\n' \
173	"$(BLOG_TITLE)" "$(BLOG_URL_ROOT)" "$(BLOG_DESCRIPTION)" > $@
174	for f in $(ARTICLES); do \
175	printf '%s ' "$$f"; \
176	git log --diff-filter=A --date="format:%s %a, %d %b %Y %H:%M:%S %z" --pretty=format:'%ad%n' -- "$$f"; \
177	done \| sort -k2nr \| head -n $(BLOG_FEED_MAX) \| cut -d" " -f1,3- \| while IFS=" " read -r FILE DATE; do \
178	printf '<item>\n<title>%s</title>\n<link>%s</link>\n<guid>%s</guid>\n<pubDate>%s</pubDate>\n<description>%s</description>\n</item>\n' \
a9f6852b	179	"`head -n 1 $$FILE \| sed 's/&/&/'`" \
0324a0cf JM	180	"$(BLOG_URL_ROOT)/`basename $$FILE .md`.html" \
	181	"$(BLOG_URL_ROOT)/`basename $$FILE .md`.html" \
	182	"$$DATE" \
a9f6852b	183	"`sed -n 's/&/&/;1d;/^$$/{2{d;b};q};p' < $$FILE`"; \
0324a0cf JM	184	done >> $@
	185	printf '</channel>\n</rss>\n' >> $@
	186
	187	blog/atom.xml: $(ARTICLES)
	188	printf '<?xml version="1.0" encoding="UTF-8"?>\n<feed xmlns="http://www.w3.org/2005/Atom" xml:lang="en">\n<title type="text">%s</title>\n<subtitle type="text">%s</subtitle>\n<updated>%s</updated>\n<link rel="alternate" type="text/html" href="%s"/>\n<id>%s</id>\n<link rel="self" type="application/atom+xml" href="%s"/>\n' \
	189	"$(BLOG_TITLE)" "$(BLOG_DESCRIPTION)" "$(shell date +%Y-%m-%dT%H:%M:%SZ)" "$(BLOG_URL_ROOT)" "$(BLOG_URL_ROOT)/atom.xml" "$(BLOG_URL_ROOT)/atom.xml" > $@
	190	for f in $(ARTICLES); do \
	191	printf '%s ' "$$f"; \
	192	git log --diff-filter=A --date="format:%s %Y-%m-%dT%H:%M:%SZ" --pretty=format:'%ad %aN%n' -- "$$f"; \
	193	done \| sort -k2nr \| head -n $(BLOG_FEED_MAX) \| cut -d" " -f1,3- \| while IFS=" " read -r FILE DATE AUTHOR; do \
	194	printf '<entry>\n<title type="text">%s</title>\n<link rel="alternate" type="text/html" href="%s"/>\n<id>%s</id>\n<published>%s</published>\n<updated>%s</updated>\n<author><name>%s</name></author>\n<summary type="text">%s</summary>\n</entry>\n' \
a9f6852b	195	"`head -n 1 $$FILE \| sed 's/&/&/'`" \
0324a0cf JM	196	"$(BLOG_URL_ROOT)/`basename $$FILE .md`.html" \
	197	"$(BLOG_URL_ROOT)/`basename $$FILE .md`.html" \
	198	"$$DATE" \
	199	"`git log -n 1 --date="format:%Y-%m-%dT%H:%M:%SZ" --pretty=format:'%ad' -- "$$FILE"`" \
	200	"$$AUTHOR" \
a9f6852b	201	"`sed -n 's/&/&/;1d;/^$$/{2{d;b};q};p' < $$FILE`"; \
0324a0cf JM	202	done >> $@
0324a0cf JM	203	printf '</feed>\n' >> $@