summaryrefslogtreecommitdiffstats
path: root/Makefile
blob: 5021f9a68475578e3571cdaca781156d2e99f195 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
#!/usr/bin/make -f

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 taglist

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 '' > 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="$(BLOG_TITLE)"; \
	PAGE_TITLE="$(BLOG_TITLE)"; \
	export TITLE; \
	export PAGE_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
	PAGE_TITLE="Articles tagged $* — $(BLOG_TITLE)"; \
	TAGS="$*"; \
	TITLE="$(BLOG_TITLE)"; \
	export PAGE_TITLE; \
	export TAGS; \
	export TITLE; \
	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 tag_link_header tag_link tag_link_footer article_footer footer))
	mkdir -p blog
	TITLE="$(shell head -n1 $< | sed 's/^# \+//')"; \
	export TITLE; \
	PAGE_TITLE="$${TITLE} — $(BLOG_TITLE)"; \
	export PAGE_TITLE; \
	AUTHOR="$(shell git log --format="%an" -- "$<" | tail -n 1)"; \
	export AUTHOR; \
	DATE_POSTED="$(shell git log --diff-filter=A --date="format:$(BLOG_DATE_FORMAT)" --pretty=format:'%ad' -- "$<")"; \
	export DATE_POSTED; \
	DATE_EDITED="$(shell git log -n 1 --date="format:$(BLOG_DATE_FORMAT)" --pretty=format:'%ad' -- "$<")"; \
	export DATE_EDITED; \
	TAGS="$(shell grep -i '^; *tags:' "$<" | cut -d: -f2- | paste -sd ',')"; \
	export TAGS; \
	envsubst < templates/header.html > $@; \
	envsubst < templates/article_header.html >> $@; \
	sed -e '/^;/d' < $< | markdown -f fencedcode >> $@; \
	envsubst < templates/tag_link_header.html >> $@; \
	for i in $${TAGS} ; do \
		TAG_NAME="$$i" \
		TAG_LINK="./@$$i.html" \
		envsubst < templates/tag_link.html >> $@; \
	done; \
	envsubst < templates/tag_link_footer.html >> $@; \
	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 $$FILE`" \
			"$(BLOG_URL_ROOT)/`basename $$FILE`.html" \
			"$(BLOG_URL_ROOT)/`basename $$FILE`.html" \
			"$$DATE" \
			"`sed -n '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 $$FILE`" \
			"$(BLOG_URL_ROOT)/`basename $$FILE`.html" \
			"$(BLOG_URL_ROOT)/`basename $$FILE`.html" \
			"$$DATE" \
			"`git log -n 1 --date="format:%Y-%m-%dT%H:%M:%SZ" --pretty=format:'%ad' -- "$$FILE"`" \
			"$$AUTHOR" \
			"`sed -n '1d;/^$$/{2{d;b};q};p' < $$FILE`"; \
	done >> $@
	printf '</feed>\n' >> $@

taglist:
	grep -RIh '^;tags:' src | cut -d' ' -f2- | tr ' ' '\n' | sort | uniq