Class: Pathname

Inherits:
Object
  • Object
show all
Defined in:
lib/extend/pathname.rb

Overview

we enhance pathname to make our code more readable

Instance Method Summary collapse

Instance Method Details

#/(that) ⇒ Object 



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# File 'lib/extend/pathname.rb', line 89

def / that
  join that.to_s
end

#as_backup ⇒ Object 



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# File 'lib/extend/pathname.rb', line 93

def as_backup
  Pathname.new File.join(dirname, "#{basename}.lace.bak")
end

#as_dotfile(base_folder, subtract) ⇒ Object 



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# File 'lib/extend/pathname.rb', line 97

def as_dotfile base_folder, subtract
  Pathname.new File.join(base_folder, ".#{to_path.gsub(subtract, "")[1..-1]}")
end

#cd ⇒ Object 



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# File 'lib/extend/pathname.rb', line 68

def cd
  Dir.chdir(self){ yield }
end

#chmod_R(perms) ⇒ Object 



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# File 'lib/extend/pathname.rb', line 59

def chmod_R perms
  require 'fileutils'
  FileUtils.chmod_R perms, to_s
end

#cp(dst) ⇒ Object 



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# File 'lib/extend/pathname.rb', line 28

def cp dst
  if file?
    FileUtils.cp to_s, dst
  else
    FileUtils.cp_r to_s, dst
  end
  return dst
end

#resolved_path ⇒ Object 



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# File 'lib/extend/pathname.rb', line 76

def resolved_path
  self.symlink? ? dirname+readlink : self
end

#resolved_path_exists? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/extend/pathname.rb', line 80

def resolved_path_exists?
  link = readlink
rescue ArgumentError
  # The link target contains NUL bytes
  false
else
  (dirname+link).exist?
end

#rmdir_if_possible ⇒ Object

I don’t trust the children.length == 0 check particularly, not to mention it is slow to enumerate the whole directory just to see if it is empty, instead rely on good ol’ libc and the filesystem



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# File 'lib/extend/pathname.rb', line 45

def rmdir_if_possible
  rmdir
  true
rescue Errno::ENOTEMPTY
  if (ds_store = self+'.DS_Store').exist? && children.length == 1
    ds_store.unlink
    retry
  else
    false
  end
rescue Errno::EACCES, Errno::ENOENT
  false
end

#stem ⇒ Object

for filetypes we support, basename without extension



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# File 'lib/extend/pathname.rb', line 38

def stem
  File.basename((path = to_s), extname(path))
end

#subdirs ⇒ Object 



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# File 'lib/extend/pathname.rb', line 72

def subdirs
  children.select{ |child| child.directory? }
end