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Feature #4189 » fileutils_cp_lr.patch

mame (Yusuke Endoh), 03/08/2018 08:29 AM

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lib/fileutils.rb
alias link ln
module_function :link
#
# :call-seq:
# FileUtils.cp_lr(src, dest, noop: nil, verbose: nil, dereference_root: true, remove_destination: false)
#
# 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 => true
# FileUtils.cp_lr 'lib/', site_ruby + '/mylib'
#
# # Examples of copying several files to target directory.
# FileUtils.cp_lr %w(mail.rb field.rb debug/), site_ruby + '/tmail'
# FileUtils.cp_lr 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.cp_lr 'src/.', 'dest' # cp_r('src', 'dest') makes src/dest, but this doesn't.
#
def cp_lr(src, dest, noop: nil, verbose: nil,
dereference_root: true, remove_destination: false)
fu_output_message "cp -lr#{remove_destination ? ' --remove-destination' : ''} #{[src,dest].flatten.join ' '}" if verbose
return if noop
fu_each_src_dest(src, dest) do |s, d|
link_entry s, d, dereference_root, remove_destination
end
end
module_function :cp_lr
#
# :call-seq:
# FileUtils.ln_s(target, link, force: nil, noop: nil, verbose: nil)
......
end
module_function :ln_sf
#
# 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
#
# Copies a file content +src+ to +dest+. If +dest+ is a directory,
# copies +src+ to +dest/src+.
......
end
end
def link(dest)
case
when directory?
if !File.exist?(dest) and descendant_directory?(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)
lstat
case
test/fileutils/test_fileutils.rb
cp_r 'tmp/src', 'tmp/dest/', remove_destination: true
end if have_symlink?
def test_cp_lr
check_singleton :cp_lr
cp_lr 'data', 'tmp'
TARGETS.each do |fname|
assert_same_file fname, "tmp/#{fname}"
end
# a/* -> b/*
mkdir 'tmp/cpr_src'
mkdir 'tmp/cpr_dest'
File.open('tmp/cpr_src/a', 'w') {|f| f.puts 'a' }
File.open('tmp/cpr_src/b', 'w') {|f| f.puts 'b' }
File.open('tmp/cpr_src/c', 'w') {|f| f.puts 'c' }
mkdir 'tmp/cpr_src/d'
cp_lr 'tmp/cpr_src/.', 'tmp/cpr_dest'
assert_same_file 'tmp/cpr_src/a', 'tmp/cpr_dest/a'
assert_same_file 'tmp/cpr_src/b', 'tmp/cpr_dest/b'
assert_same_file 'tmp/cpr_src/c', 'tmp/cpr_dest/c'
assert_directory 'tmp/cpr_dest/d'
my_rm_rf 'tmp/cpr_src'
my_rm_rf 'tmp/cpr_dest'
bug3588 = '[ruby-core:31360]'
mkdir 'tmp2'
assert_nothing_raised(ArgumentError, bug3588) do
cp_lr 'tmp', 'tmp2'
end
assert_directory 'tmp2/tmp'
assert_raise(ArgumentError, bug3588) do
cp_lr 'tmp2', 'tmp2/new_tmp2'
end
bug12892 = '[ruby-core:77885] [Bug #12892]'
assert_raise(Errno::ENOENT, bug12892) do
cp_lr 'non/existent', 'tmp'
end
end if have_hardlink?
def test_mv
check_singleton :mv
(2-2/2)