Module: Gem::Comparator::DirUtils

Defined in:
lib/rubygems/comparator/dir_utils.rb

Constant Summary collapse

SHEBANG_REGEX = 
/\A#!.*/

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Attribute Details

#files_first_line ⇒ Object

Returns the value of attribute files_first_line.



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# File 'lib/rubygems/comparator/dir_utils.rb', line 7

def files_first_line
  @files_first_line
end

Class Method Details

.dirs_of_files(file_list) ⇒ Object

Returns a unique list of directories and top level files out of an array of files



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# File 'lib/rubygems/comparator/dir_utils.rb', line 30

def self.dirs_of_files(file_list)
  dirs_of_files = []
  file_list.each do |file|
    unless Pathname.new(file).dirname.to_s == '.'
      dirs_of_files << "#{Pathname.new(file).dirname.to_s}/"
    else
      dirs_of_files << file
    end
  end
  dirs_of_files.uniq
end

.file_first_line(file) ⇒ Object 



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# File 'lib/rubygems/comparator/dir_utils.rb', line 9

def self.file_first_line(file)
  File.open(file){ |f| f.readline }.gsub(/(.*)\n/, '\1')
rescue
end

.file_has_shebang?(file) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rubygems/comparator/dir_utils.rb', line 14

def self.file_has_shebang?(file)
  file_first_line(file) =~ SHEBANG_REGEX
end

.files_same_first_line?(file1, file2) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rubygems/comparator/dir_utils.rb', line 18

def self.files_same_first_line?(file1, file2)
  file_first_line(file1) == file_first_line(file2)
end

.gem_bin_file?(file) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rubygems/comparator/dir_utils.rb', line 22

def self.gem_bin_file?(file)
  file =~ /(\A|.*\/)bin\/.*/
end

.remove_subdirs(dirs) ⇒ Object 



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# File 'lib/rubygems/comparator/dir_utils.rb', line 42

def self.remove_subdirs(dirs)
  dirs.dup.sort_by(&:length).reverse.each do |dir|
    dirs.delete_if{ |d| d =~ /#{dir}\/.+/ }
  end
  dirs
end