- packages can be "extended" by others
- allows extension to be symlinked into extendee's prefix.
- used for python modules.
- first module: py-setuptools
- concretize_version() now Use satisfies(), not intersection.
- version class updated with better intersection/union commands
- version now 1.6 "contains" 1.6.5
- added test for new version functionality
- remove none_high and none_low classes
- version module is now self-contained; save for external 2.7
functools.total_ordering for 2.6 compatibility.
- New spack.hooks package
- contains modules with pre and post install hooks
- New dotkit hook module
- generates/removes dotkits on install/uninstall
- New spack use, spack unuse commands
- use same syntax as install/uninstall
- New setup-env.bash script
- Sets up path, dotkit support
- new spack dotkit command
- used by script to parse specs, generate
specs of installed pckages for dotkit file names
- TAU doesn't install to directories with '@' in the name.
- Need to fix up its scripts.
- routines to filter files as sed would, but using python regular expressions.
- TAU package uses this.
