Module: Softcover::Commands::Check

Extended by:
Check, Utils
Included in:
Check
Defined in:
lib/softcover/commands/check.rb

Constant Summary

Constants included from Utils

Utils::UNITS

Instance Method Summary collapse

Methods included from Utils

add_highlight_class!, as_size, book_file_lines, chapter_label, commands, current_book, dependency_filename, digest, executable, execute, in_book_directory?, language_labels, linux?, logged_in?, master_content, master_filename, master_latex_header, mkdir, non_comment_lines, os_x?, path, raw_lines, reset_current_book!, rm, silence, source, tmpify, unpublish_slug, write_master_latex_file, write_pygments_file

Instance Method Details

#check_dependencies! ⇒ Object 



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
 
# File 'lib/softcover/commands/check.rb', line 9

def check_dependencies!
  puts "Checking Softcover dependencies..."
  simulate_work(1)
  missing_dependencies = []
  dependencies.each do |label, name|
    printf "%-30s", "Checking for #{name}..."
    simulate_work(0.15)
    if present?(label)
      puts "Found"
    else
      missing_dependencies << label
      puts "Missing"
    end
    simulate_work(0.1)
  end
  simulate_work(0.25)
  if missing_dependencies.empty?
    puts "All dependencies satisfied."
  else
    puts "Missing dependencies:"
    missing_dependencies.each do |dependency|
      puts "  • " + missing_dependency_message(dependency)
    end
  end
end

#dependencies ⇒ Object 



35
36
37
38
39
40
41
42
43
44
45
46
47
48
 
# File 'lib/softcover/commands/check.rb', line 35

def dependencies
  [[:latex,       'LaTeX'],
   [:ghostscript, 'GhostScript'],
   [:convert,     'ImageMagick'],
   [:node,        'Node.js'],
   [:phantomjs,   'PhantomJS'],
   [:inkscape,    'Inkscape'],
   [:calibre,     'Calibre'],
   [:kindlegen,   'KindleGen'],
   [:java,        'Java'],
   [:zip,         'zip'],
   [:epubcheck,   'EpubCheck'],
  ]
end

#dependency_labels ⇒ Object 



50
51
52
 
# File 'lib/softcover/commands/check.rb', line 50

def dependency_labels
  dependencies.map(&:first)
end

#dependency_names ⇒ Object 



54
55
56
 
# File 'lib/softcover/commands/check.rb', line 54

def dependency_names
  dependencies.map { |e| e[1] }
end

#missing_dependency_message(label) ⇒ Object 



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
 
# File 'lib/softcover/commands/check.rb', line 58

def missing_dependency_message(label)
  case label
  when :latex
    message  = "LaTeX (http://latex-project.org/ftp.html)\n"
    message += "      ∟ Huge download—start it now!"
  when :ghostscript
    message  = "GhostScript (should come with LaTeX)\n"
  when :convert
    "ImageMagick (http://www.imagemagick.org/script/binary-releases.php)"
  when :node
    "NodeJS (http://nodejs.org/)"
  when :phantomjs
    message = "PhantomJS (http://phantomjs.org/)\n"
    message += "      ∟ Put bin/phantomjs somewhere on your path,"
    message += " e.g., in /usr/local/bin"
  when :kindlegen
    url = 'http://www.amazon.com/gp/feature.html?ie=UTF8&docId=1000765211'
    message = "KindleGen (#{url})\n"
    message += "      ∟ Put the kindlegen executable on your path,"
    message += " e.g., in /usr/local/bin"
  when :calibre
    url = 'http://calibre-ebook.com/'
    message  = "Calibre (#{url})\n"
    message += "      ∟ Enable Calibre command-line tools"
    message += " (http://manual.calibre-ebook.com/cli/cli-index.html)"
  when :java
    url = 'http://www.java.com/en/download/help/index_installing.xml'
    "Java (#{url})"
  when :zip
    "Install zip (e.g., apt-get install zip)"
  when :epubcheck
    url  = 'https://github.com/IDPF/epubcheck/releases/'
    url += 'download/v3.0/epubcheck-3.0.zip'
    message  = "EpubCheck 3.0 (#{url})\n"
    message += "      ∟ Unzip and put epubcheck-3.0/ in $HOME/bin"
  when :inkscape
    message  = "Inkscape (http://inkscape.org/)"
  else
    raise "Unknown label #{label}"
  end
end

#present?(label) ⇒ Boolean

Returns:

  • (Boolean) 


100
101
102
 
# File 'lib/softcover/commands/check.rb', line 100

def present?(label)
  File.exist?(dependency_filename(label))
end

#simulate_work(time) ⇒ Object

Simulate working for given time. ‘softcover check` is more satisfying if it looks like it’s doing work.



106
107
108
 
# File 'lib/softcover/commands/check.rb', line 106

def simulate_work(time)
  sleep time unless Softcover::test?
end