purge extension doesn't need "#!/usr/bin/env python".
(from the Debian package: deb_specific__hgpurge.py.patch)
0 files updated, 0 files merged, 0 files removed, 0 files unresolved
0 files updated, 0 files merged, 0 files removed, 0 files unresolved
adding b
0 files updated, 0 files merged, 0 files removed, 0 files unresolved
adding b