Drush make

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blockquote>This demonstrates four different methods for downloading code, from three different sources.

To execute, install Drush, install Drush Make, then run the attached file [...t]o specify an output directory, add the path as an extra parameter:

drush make search.make /var/www

Provides the equivalent of a make script for Drupal, using Drush.

Usage: drush make [filename] where [filename] is the filename of the makefile.

Maintained by dmitrig01

Simple enough...

See http://developmentseed.org/blog/2009/oct/27/drupal-distributions-drush-make for the why and wow.

Actual example, for Collabalot by Kathleen and friends: