Module: StickyFlag::ExternalCmds

Included in:
ThorApp
Defined in:
lib/stickyflag/external_cmds.rb

Constant Summary collapse

EXTERNAL_CMDS = 
{
  'pdftk' => 'read and write PDF tags',
  'mkvextract' => 'read MKV tags',
  'mkvpropedit' => 'write MKV tags'
}

Instance Method Summary collapse

Instance Method Details

#find_external_cmds ⇒ Object 



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# File 'lib/stickyflag/external_cmds.rb', line 12

def find_external_cmds
  EXTERNAL_CMDS.each do |cmd, desc|
    path = get_config "#{cmd}_path"
  
    # First, make sure that the listed file actually exists and is executable,
    # so that if it isn't, we'll be able to fix it by checking $PATH down
    # below.
    unless path.nil? || path.empty?
      unless File.executable? path
        say_status :error, "Path set for #{cmd} is invalid", :red unless options.quiet?

        path = ''
        set_config "#{cmd}_path", ''
        set_config "have_#{cmd}", false
      else
        # We do have this, make sure it's set that way
        set_config "have_#{cmd}", true
      end
    end
  
    if path.nil? || path.empty?
      # We don't have a path for this command, see if we can find it
      found = which(cmd)
      if found.nil?
        say_status :warning, "Cannot find #{cmd} in path, will not be able to #{desc}", :yellow unless options.quiet?
        set_config "have_#{cmd}", false
        next
      end
    
      # Okay, found it, set the configuration parameter
      set_config "#{cmd}_path", found
      set_config "have_#{cmd}", true
    end
  end

  # Save our results out to the configuration file
  save_config!
end