quilt: quilt (Tool to work with series of patches)
quilt:
quilt: Quilt manages a series of patches by keeping track of the changes each
quilt: of them makes. They are logically organized as a stack, and you can 
quilt: apply, un-apply, refresh them easily by traveling into the stack 
quilt: (push/pop).  Quilt is good for managing additional patches applied to 
quilt: a package received as a tarball or maintained in another version 
quilt: control system. The stacked organization proved to be efficient for
quilt: the management of very large patch sets (more than hundred patches). 
quilt:
quilt: Homepage: http://savannah.nongnu.org/projects/quilt