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
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
|
require 'set'
IGNORED_PAGES = Set['sitemap.xml']
LANGS = Set['en', 'pt', 'fr', 'eo'] # jp zh es de
module Jekyll
class Linter < Generator
safe true
priority :high
def insert_id(name, document)
lang = document.data['lang']
ref = document.data['ref']
id = "#{name}:#{lang}:#{ref}"
if @known_ids.include? id then
raise "Duplicate ID found: '#{id}'"
else
@known_ids.add id
end
end
def assert_unique_ids(site)
@known_ids = Set[]
all_documents(site) do |collection_name, document|
insert_id collection_name, document
end
end
def slugify(s)
s.ljust(100)
.gsub(/[()']/, '')
.gsub(/[\W]+/, ' ')
.strip
.gsub(/\s\s+/, '-')
.downcase
.gsub(' ', '-')
.gsub('_', '-')
end
def assert(value, message)
unless value
raise message
end
value
end
def assert_field(document, field)
f = document.data[field]
raise "Undefined '#{field}' for #{document.path}" unless f
f
end
COLLECTION_LAYOUTS = {
'page' => 'default',
'slides' => 'slides',
'articles' => 'post',
'pastebins' => 'post',
'tils' => 'post',
'podcasts' => 'post',
'screencasts' => 'post'
}
def assert_frontmatter_fields(name, document)
title = assert_field document, 'title'
lang = assert_field document, 'lang'
ref = assert_field document, 'ref'
layout = assert_field document, 'layout'
date = document.date.strftime('%Y-%m-%d') unless layout == 'default'
slug = layout == 'default' ? ref : assert_field(document, 'slug')
extension = name == 'slides' ? 'slides' : 'md'
unless LANGS.member? lang
raise "Invalid lang '#{lang}' in #{document.path}"
end
if COLLECTION_LAYOUTS[name] != layout
raise "Layout mismatch: expected '#{COLLECTION_LAYOUTS[name]}', got '#{layout}' for #{document.path}"
end
if lang == 'en'
unless ['index', 'root', 'tils'].include? ref
if slugify(title) != ref then
raise "#{ref} isn't a slug of the title.\nref: '#{ref}'\ntitle slug: '#{slugify(title)}'"
end
end
end
unless layout == 'default' then
path = "_#{name}/#{date}-#{slug}.#{extension}"
unless path == document.relative_path then
raise "date/filename mismatch:\ndate+slug: #{path}\nfilename: #{document.relative_path}"
end
if lang == 'en' then
unless ref == slug then
raise "ref/slug mismatch:\nref: #{ref}\nslug: #{slug}"
end
end
end
if name == 'podcasts' then
flac = "resources/podcasts/#{date}-#{slug}.flac"
unless File.exist? flac then
raise "Missing FLAC file '#{flac}'"
end
end
if name == 'screencasts' then
webm = "resources/screencasts/#{date}-#{slug}.webm"
unless File.exist? webm then
raise "Missing WebM file '#{webm}'"
end
end
end
def assert_frontmatter(site)
all_documents(site) do |collection_name, document|
assert_frontmatter_fields collection_name, document
end
end
MEDIA_EXTENSION = {
'podcasts' => 'flac',
'screencasts' => 'webm'
}
def assert_media_metadata(site)
site.collections.each do |name, collection|
if ['podcasts', 'screencasts'].include? name then
collection.docs.each do |document|
date = document.data['date'].strftime('%Y-%m-%d')
slug = document.data['slug']
ext = MEDIA_EXTENSION[name]
file = "resources/#{name}/#{date}-#{slug}.#{ext}"
feed_name = site.config['t'][name]['feed']['title'][document.data['lang']]
if name == 'podcasts'
stdout = `metaflac --export-tags-to=- #{file}`.strip.split("\n")
expected = [
"COMMENTS=#{site.config['url']}/#{file}",
'ARTIST=EuAndreh',
"DATE=#{date}",
"TITLE=#{document.data['title']}",
"ALBUM=#{feed_name}"
]
expected.each do |metadata|
unless stdout.include? metadata
tags = expected.join('\\n').gsub(/'/, "'\"'\"'")
add_metadata_cmd = "metaflac --remove-all #{file}\nprintf '#{tags}\\n' | metaflac --import-tags-from=- #{file}"
check_metadata_cmd = "metaflac --export-tags-to=- #{file}"
raise "Missing metadata entry '#{metadata}' in '#{file}'.\nAdd it with:\n\n#{add_metadata_cmd}\n\nCheck with:\n #{check_metadata_cmd}"
end
end
check_cover_cmd = "metaflac #{file} --export-picture-to=- | diff - static/favicon.png"
`#{check_cover_cmd}`
unless $?.success? then
add_cover_cmd = "metaflac #{file} --import-picture-from=static/favicon.png"
raise "Cover art from '#{file}' doesn't match 'static/favicon.png'.\nFix it with:\n\n#{add_cover_cmd}\n\nCheck with:\n #{check_cover_cmd}"
end
elsif name == 'screencasts' then
stdout = `mediainfo #{file} | awk -F: '/^Movie name/ { print $2 }'`.strip
expected = document.data['title'] + ' - ' + feed_name
unless stdout == expected then
escaped_title = expected.gsub(/'/, "'\"'\"'")
add_metadata_cmd = "mkvpropedit '#{file}' -e info -s title='#{escaped_title}'"
check_metadata_cmd = "mediainfo '#{file}' | grep 'Movie name'"
raise "Missing metadata entry 'title' in '#{file}'.\nAdd it with:\n\n#{add_metadata_cmd}\n\nCheck with:\n #{check_metadata_cmd}"
end
end
end
end
end
end
def assert_lilypond(site)
site.config['musics'].each do |music|
assert music['title'], "Missing 'title' in #{music}"
assert music['composer'], "Missing 'composer' in #{music}"
ref = assert music['ref'], "Missing 'ref' in #{music}"
ly = "music/#{ref}.ly"
unless File.exist? ly then
raise "Missing '#{ly}' file present in _config.yml."
end
unless open(ly) { |f| f.include? "\\pointAndClickOff\n" } then
raise "Missing '\\pointAndClickOff' in '#{ly}'"
end
unless open(ly) { |f| f.include? "#(ly:set-option 'embed-source-code #t)\n" } then
raise "Missing '#(ly:set-option 'embed-source-code #t)' in '#{ly}'"
end
end
end
def generate(site)
assert_unique_ids(site)
assert_frontmatter(site)
assert_media_metadata(site)
assert_lilypond(site)
end
def all_documents(site)
site.collections.each do |name, collection|
collection.docs.each do |document|
unless document.data['generated']
yield name, document
end
end
end
site.pages.each do |page|
unless IGNORED_PAGES.include? page.path
unless page.data['generated']
yield 'page', page
end
end
end
end
end
end
|
