Module: Chit

Extended by:
Chit
Included in:
Chit
Defined in:
lib/chit.rb

Constant Summary collapse

VERSION = 
'0.0.2'
CHITRC = 
"#{ENV['HOME']}/.chitrc"
CONFIG = 
defaults.merge(YAML.load_file(CHITRC))

Instance Method Summary collapse

Instance Method Details

#add(sheet_file) ⇒ Object 



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# File 'lib/chit.rb', line 133

def add(sheet_file)
  unless File.exist?(sheet_file)
    breaker = sheet_file.rindex('/')+1
    path = sheet_file[0,breaker]
    title = @sheet.gsub(/\//,'::')
    FileUtils.mkdir_p(path)
    yml = {"#{title}" => ''}.to_yaml
    open(sheet_file, 'w') {|f| f << yml}
  end
  edit(sheet_file)
end

#edit(sheet_file) ⇒ Object 



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# File 'lib/chit.rb', line 145

def edit(sheet_file)
  sheet = YAML.load(IO.read(sheet_file)).to_a.first
  sheet[-1] = sheet.last.gsub("\r", '')
  body, title = write_to_tempfile(*sheet), sheet.first
  if body.strip.empty?
    rm(sheet_file)
  else
    open(sheet_file,'w') {|f| f << {title => body}.to_yaml}
    @git.add
    @git.commit_all("-")
  end
end

#editor ⇒ Object 



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# File 'lib/chit.rb', line 158

def editor
  ENV['VISUAL'] || ENV['EDITOR'] || "vim"
end

#init_chit ⇒ Object 



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# File 'lib/chit.rb', line 69

def init_chit
  FileUtils.mkdir_p(CONFIG['root'])
  if CONFIG['main']['clone-from']
    if File.exist?(main_path)
      puts "Main chit has already been initialized."
    else
      puts "Initialize main chit from #{CONFIG['main']['clone-from']} to #{CONFIG['root']}/main"
      Git.clone(CONFIG['main']['clone-from'], 'main', :path => CONFIG['root'])
      puts "Main chit initialized."        
    end
  else
    puts "ERROR: configuration for main chit repository is missing!"
    return
  end
  
  unless File.exist?(private_path)
    if CONFIG['private'] && CONFIG['private']['clone-from']
      puts "Initialize private chit from #{CONFIG['private']['clone-from']} to #{CONFIG['root']}/private"
      Git.clone(CONFIG['private']['clone-from'], 'private', :path => CONFIG['root'])
      puts "Private chit initialized."
    else
      puts "Initialize private chit from scratch to #{CONFIG['root']}/private"
      Git.init(private_path)
      puts "Private chit initialized."
    end
  else
    puts "Private chit has already been initialized."
  end
  puts "Chit init done."
  true
end

#list_all ⇒ Object 



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# File 'lib/chit.rb', line 59

def list_all
  files = @git.ls_files.to_a.map {|f| 
    f[0][0..((f[0].rindex('.')||0) - 1)]}
  puts files.sort.join("\n")
end

#main_path ⇒ Object 



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# File 'lib/chit.rb', line 111

def main_path
  File.join(CONFIG['root'], 'main')
end

#parse_args(args) ⇒ Object 



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# File 'lib/chit.rb', line 41

def parse_args(args)
  init_chit and return if args.delete('--init')
  update and return if args.delete('--update')
  
  @sheet = args.shift || 'chit'
  is_private = (@sheet =~ /^@(.*)/)
  @sheet = is_private ? $1 : @sheet

  working_dir = is_private ? private_path : main_path
  @git = Git.open(working_dir)

  @fullpath = File.join(working_dir, "#{@sheet}.yml")
  
  add(sheet_file) and return if args.delete('--add')
  edit(sheet_file) and return if args.delete('--edit')
  true
end

#private_path ⇒ Object 



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# File 'lib/chit.rb', line 115

def private_path
  File.join(CONFIG['root'], 'private')
end

#rm(sheet_file) ⇒ Object 



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# File 'lib/chit.rb', line 126

def rm(sheet_file)
  @git.remove(sheet_file)
  @git.commit_all("-")
rescue Git::GitExecuteError
  FileUtils.rm_rf(sheet_file)
end

#run(args) ⇒ Object 



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# File 'lib/chit.rb', line 18

def run(args)
  unless File.exist?(main_path) && File.exist?(private_path)
    return unless init_chit
  end
  args = args.dup
  
  return unless parse_args(args)

  if %w[sheets all].include? @sheet
    return list_all()
  end
  
  unless File.exist?(sheet_file)
    update
  end
  
  unless File.exist?(sheet_file)
    add(sheet_file)
  else
    show(sheet_file)
  end
end

#sheet_file ⇒ Object 



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# File 'lib/chit.rb', line 65

def sheet_file
  @fullpath
end

#show(sheet_file) ⇒ Object 



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# File 'lib/chit.rb', line 119

def show(sheet_file)
  sheet = YAML.load(IO.read(sheet_file)).to_a.first
  sheet[-1] = sheet.last.join("\n") if sheet[-1].is_a?(Array)
  puts sheet.first + ':'
  puts '  ' + sheet.last.gsub("\r",'').gsub("\n", "\n  ").wrap
end

#update ⇒ Object 



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# File 'lib/chit.rb', line 101

def update
  if CONFIG['main']['clone-from']
    g = Git.open(main_path)
    g.pull
  end
rescue
  puts "ERROR: can not update main chit."
  puts $!
end

#write_to_tempfile(title, body = nil) ⇒ Object 



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# File 'lib/chit.rb', line 162

def write_to_tempfile(title, body = nil)
  title = title.gsub(/\/|::/, '-')
  # god dammit i hate tempfile, this is so messy but i think it's
  # the only way.
  tempfile = Tempfile.new(title + '.cheat')
  tempfile.write(body) if body
  tempfile.close
  system "#{editor} #{tempfile.path}"
  tempfile.open
  body = tempfile.read
  tempfile.close
  body
end