1 files changed, 191 insertions, 0 deletions
diff --git a/lib/rake/contrib/sys.rb b/lib/rake/contrib/sys.rb
new file mode 100644
index 0000000000..41963f1fef
--- /dev/null
+++ b/lib/rake/contrib/sys.rb
@@ -0,0 +1,191 @@
+warn 'Sys has been deprecated in favor of FileUtils'
+
+#--
+# Copyright 2003-2010 by Jim Weirich (jim.weirich@gmail.com)
+# All rights reserved.
+#++
+#
+begin
+  require 'ftools'
+rescue LoadError
+end
+require 'rbconfig'
+
+######################################################################
+# Sys provides a number of file manipulation tools for the convenience
+# of writing Rakefiles.  All commands in this module will announce
+# their activity on standard output if the $verbose flag is set
+# ($verbose = true is the default).  You can control this by globally
+# setting $verbose or by using the +verbose+ and +quiet+ methods.
+#
+# Sys has been deprecated in favor of the FileUtils module available
+# in Ruby 1.8.
+#
+module Sys
+  RUBY = RbConfig::CONFIG['ruby_install_name']
+
+  # Install all the files matching +wildcard+ into the +dest_dir+
+  # directory.  The permission mode is set to +mode+.
+  def install(wildcard, dest_dir, mode)
+    Dir[wildcard].each do |fn|
+      File.install(fn, dest_dir, mode, $verbose)
+    end
+  end
+
+  # Run the system command +cmd+.
+  def run(cmd)
+    log cmd
+    system(cmd) or fail "Command Failed: [#{cmd}]"
+  end
+
+  # Run a Ruby interpreter with the given arguments.
+  def ruby(*args)
+    run "#{RUBY} #{args.join(' ')}"
+  end
+
+  # Copy a single file from +file_name+ to +dest_file+.
+  def copy(file_name, dest_file)
+    log "Copying file #{file_name} to #{dest_file}"
+    File.copy(file_name, dest_file)
+  end
+
+  # Copy all files matching +wildcard+ into the directory +dest_dir+.
+  def copy_files(wildcard, dest_dir)
+    for_matching_files(wildcard, dest_dir) { |from, to| copy(from, to) }
+  end
+
+  # Link +file_name+ to +dest_file+.
+  def link(file_name, dest_file)
+    log "Linking file #{file_name} to #{dest_file}"
+    File.link(file_name, dest_file)
+  end
+
+  # Link all files matching +wildcard+ into the directory +dest_dir+.
+  def link_files(wildcard, dest_dir)
+    for_matching_files(wildcard, dest_dir) { |from, to| link(from, to) }
+  end
+
+  # Symlink +file_name+ to +dest_file+.
+  def symlink(file_name, dest_file)
+    log "Symlinking file #{file_name} to #{dest_file}"
+    File.symlink(file_name, dest_file)
+  end
+
+  # Symlink all files matching +wildcard+ into the directory +dest_dir+.
+  def symlink_files(wildcard, dest_dir)
+    for_matching_files(wildcard, dest_dir) { |from, to| link(from, to) }
+  end
+
+  # Remove all files matching +wildcard+.  If a matching file is a
+  # directory, it must be empty to be removed.  used +delete_all+ to
+  # recursively delete directories.
+  def delete(*wildcards)
+    wildcards.each do |wildcard|
+      Dir[wildcard].each do |fn|
+        if File.directory?(fn)
+          log "Deleting directory #{fn}"
+          Dir.delete(fn)
+        else
+          log "Deleting file #{fn}"
+          File.delete(fn)
+        end
+      end
+    end
+  end
+
+  # Recursively delete all files and directories matching +wildcard+.
+  def delete_all(*wildcards)
+    wildcards.each do |wildcard|
+      Dir[wildcard].each do |fn|
+        next if ! File.exist?(fn)
+        if File.directory?(fn)
+          Dir["#{fn}/*"].each do |subfn|
+            next if subfn=='.' || subfn=='..'
+            delete_all(subfn)
+          end
+          log "Deleting directory #{fn}"
+          Dir.delete(fn)
+        else
+          log "Deleting file #{fn}"
+          File.delete(fn)
+        end
+      end
+    end
+  end
+
+  # Make the directories given in +dirs+.
+  def makedirs(*dirs)
+    dirs.each do |fn|
+      log "Making directory #{fn}"
+      File.makedirs(fn)
+    end
+  end
+
+  # Make +dir+ the current working directory for the duration of
+  # executing the given block.
+  def indir(dir)
+    olddir = Dir.pwd
+    Dir.chdir(dir)
+    yield
+  ensure
+    Dir.chdir(olddir)
+  end
+
+  # Split a file path into individual directory names.
+  #
+  # For example:
+  #   split_all("a/b/c") =>  ['a', 'b', 'c']
+  def split_all(path)
+    head, tail = File.split(path)
+    return [tail] if head == '.' || tail == '/'
+    return [head, tail] if head == '/'
+    return split_all(head) + [tail]
+  end
+
+  # Write a message to standard error if $verbose is enabled.
+  def log(msg)
+    print "  " if $trace && $verbose
+    $stderr.puts msg if $verbose
+  end
+
+  # Perform a block with $verbose disabled.
+  def quiet(&block)
+    with_verbose(false, &block)
+  end
+
+  # Perform a block with $verbose enabled.
+  def verbose(&block)
+    with_verbose(true, &block)
+  end
+
+  # Perform a block with each file matching a set of wildcards.
+  def for_files(*wildcards)
+    wildcards.each do |wildcard|
+      Dir[wildcard].each do |fn|
+        yield(fn)
+      end
+    end
+  end
+
+  extend(self)
+
+  private # ----------------------------------------------------------
+
+  def for_matching_files(wildcard, dest_dir)
+    Dir[wildcard].each do |fn|
+      dest_file = File.join(dest_dir, fn)
+      parent = File.dirname(dest_file)
+      makedirs(parent) if ! File.directory?(parent)
+      yield(fn, dest_file)
+    end
+  end
+
+  def with_verbose(v)
+    oldverbose = $verbose
+    $verbose = v
+    yield
+  ensure
+    $verbose = oldverbose
+  end
+
+end