Detroit Custom Tool
The Custom tool provides the means for any procedure to run at any point in a toolchain's assembly.
To use, simply provide the procedure as Ruby code within an entry corresponding to the assembly station under which it should run.
hello: tool: custom document: | puts "Hello world!"
Per the usual gem install process:
$ gem install detroit-custom
detroit-custom in one's Gemfile.
Copyright (c) 2014 Rubyworks
This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
See LICENSE.txt for details.