ruby/tool/fetch-bundled_gems.rb

25 строки
489 B
Ruby
Executable File

#!ruby -an
BEGIN {
require 'fileutils'
dir = ARGV.shift
ARGF.eof?
FileUtils.mkdir_p(dir)
Dir.chdir(dir)
}
n, v, u = $F
if File.directory?(n)
puts "updating #{n} ..."
system("git", (v == "master" ? "pull" : "fetch"), chdir: n) or abort
else
puts "retrieving #{n} ..."
system(*%W"git clone #{u} #{n}") or abort
end
unless system(*%W"git checkout #{v.sub(/\A(?=\d)/, 'v')}", chdir: n)
unless /\A\d/ =~ v and system(*%W"git checkout #{v}", chdir: n)
abort
end
end