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Feature #4189 » fileutils_ln_r.patch

zzak (Zachary Scott), 11/19/2012 07:09 AM

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lib/fileutils.rb
OPT_TABLE['link'] = [:force, :noop, :verbose]
#
# Options: noop verbose dereference_root remove_destination
#
# Hard link +src+ to +dest+. If +src+ is a directory, this method links
# all its contents recursively. If +dest+ is a directory, links
# +src+ to +dest/src+.
#
# +src+ can be a list of files.
#
# # Installing ruby library "mylib" under the site_ruby
# FileUtils.rm_r site_ruby + '/mylib', :force
# FileUtils.ln_r 'lib/', site_ruby + '/mylib'
#
# # Examples of copying several files to target directory.
# FileUtils.ln_r %w(mail.rb field.rb debug/), site_ruby + '/tmail'
# FileUtils.ln_r Dir.glob('*.rb'), '/home/aamine/lib/ruby', :noop => true, :verbose => true
#
# # If you want to copy all contents of a directory instead of the
# # directory itself, c.f. src/x -> dest/x, src/y -> dest/y,
# # use following code.
# FileUtils.ln_r 'src/.', 'dest' # cp_r('src', 'dest') makes src/dest,
# # but this doesn't.
#
# TODO: Why --remove-destination and not --force?
def ln_r(src, dest, options = {})
fu_check_options options, OPT_TABLE['ln_r']
fu_output_message "cp -r#{options[:remove_destination] ? ' --remove-destination' : ''} #{[src,dest].flatten.join ' '}" if options[:verbose]
return if options[:noop]
options = options.dup
options[:dereference_root] = true unless options.key?(:dereference_root)
fu_each_src_dest(src, dest) do |s, d|
link_entry s, d, options[:dereference_root], options[:remove_destination]
end
end
module_function :ln_r
OPT_TABLE['ln_r'] = [:noop, :verbose, :dereference_root, :remove_destination]
#
# Options: force noop verbose
#
# <b><tt>ln_s(old, new, options = {})</tt></b>
......
OPT_TABLE['ln_sf'] = [:noop, :verbose]
#
# Hard links a file system entry +src+ to +dest+.
# If +src+ is a directory, this method links its contents recursively.
#
# Both of +src+ and +dest+ must be a path name.
# +src+ must exist, +dest+ must not exist.
#
# If +dereference_root+ is true, this method dereference tree root.
#
# If +remove_destination+ is true, this method removes each destination file before copy.
#
def link_entry(src, dest, dereference_root = false, remove_destination = false)
Entry_.new(src, nil, dereference_root).traverse do |ent|
destent = Entry_.new(dest, ent.rel, false)
File.unlink destent.path if remove_destination && File.file?(destent.path)
ent.link destent.path
end
end
module_function :link_entry
#
# Options: preserve noop verbose
#
# Copies a file content +src+ to +dest+. If +dest+ is a directory,
......
end
end
def link(dest)
case
when directory?
if !File.exist?(dest) and descendant_diretory?(dest, path)
raise ArgumentError, "cannot link directory %s to itself %s" % [path, dest]
end
begin
Dir.mkdir dest
rescue
raise unless File.directory?(dest)
end
else
File.link path(), dest
end
end
def copy(dest)
case
when file?
-
lib/fileutils.rb
# TODO: Why --remove-destination and not --force?
def ln_r(src, dest, options = {})
fu_check_options options, OPT_TABLE['ln_r']
fu_output_message "cp -r#{options[:remove_destination] ? ' --remove-destination' : ''} #{[src,dest].flatten.join ' '}" if options[:verbose]
fu_output_message "ln -r#{options[:remove_destination] ? ' --remove-destination' : ''} #{[src,dest].flatten.join ' '}" if options[:verbose]
return if options[:noop]
options = options.dup
options[:dereference_root] = true unless options.key?(:dereference_root)
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