Copy multiple files and directories with timestamp checking and exclude patterns.
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#! /usr/bin/ruby | |
require 'optparse' | |
require 'fileutils' | |
$verbose_mode = false | |
$update_mode = false | |
$exclude_patterns = [] | |
$exclude_suffixes = [] | |
$files = [] | |
$target_dir = nil | |
OptionParser.new('Usage: flexcopy [options] FILE... DIR') do |opt| | |
opt.on('-e PATTERN', '--exclude=PATTERN', 'exclude files matching PATTERN') do |pat| | |
$exclude_patterns << pat | |
end | |
opt.on('-s SUFFIXES', '--exclude-suffixes=SUFFIXES', | |
'exclude files with SUFFIXES (comma separeted list)') do |suffix| | |
$exclude_suffixes = $exclude_suffixes + suffix.downcase.split(',') | |
end | |
opt.on('-u', '--[no-]update', 'skip files that are newer on receiver') do |mode| | |
$update_mode = mode | |
end | |
opt.on('-v', '--[no-]verbose', 'verbose mode') do |mode| | |
$verbose_mode = mode | |
end | |
$files = opt.parse!(ARGV) | |
if $files.size < 2 | |
$stderr << opt.help | |
exit(1) | |
end | |
$target_dir = $files.pop | |
if !File.directory?($target_dir) | |
$stderr << "#{$target_dir} is not a directory\n" | |
exit(1) | |
end | |
end | |
def is_excluded_filename(fname) | |
return ($exclude_suffixes.include?(File.extname(fname)[1..-1]) || | |
$exclude_patterns.any?{|pat| File.fnmatch?(pat, fname) }) | |
end | |
def is_newer_file(fname, than) | |
(left_stat = File.stat(fname)) rescue return false | |
(right_stat = File.stat(than)) rescue return true | |
return left_stat > right_stat | |
end | |
def traverse(path, &block) | |
return if is_excluded_filename(File.basename(path)) | |
block.call(path) | |
if File.directory?(path) | |
Dir.foreach(path) do |fname| | |
traverse(File.join(path, fname), &block) if fname != '.' && fname != '..' | |
end | |
end | |
end | |
files = [] | |
$files.each do |source_fname| | |
base_dir = File.dirname(source_fname) | |
Dir.chdir(base_dir) do | |
traverse(File.basename(source_fname)) do |path| | |
files << [base_dir, path] | |
end | |
end | |
end | |
files.each do |fname| | |
src = File.join(*fname) | |
dst = File.join($target_dir, fname[1]) | |
if File.directory?(src) | |
if !File.exist?(dst) | |
$stderr << "makedir: #{fname[1]}\n" if $verbose_mode | |
FileUtils.mkdir_p(dst) | |
end | |
elsif !$update_mode || is_newer_file(src, dst) | |
$stderr << "copy: #{fname[1]}\n" if $verbose_mode | |
FileUtils.copy_file(src, dst, true) | |
end | |
end |
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