Summary:
clindex is an hg extension, so moved to `hgext`.
linelog is not an hg extension, but is only used by hg extensions, not
`mercurial/`, so moved to `hgext/extlib`.
Test Plan: `make local` and `run-tests.py` without `-l` and with an empty `PYTHONPATH`.
Reviewers: durham, #mercurial
Reviewed By: durham
Subscribers: fried
Differential Revision: https://phabricator.intern.facebook.com/D6685080
Signature: 6685080:1515525106:88ebb275d0cac041911f243a3e82b82482b6cd34
Summary:
The `lib/linelog` directory contains pure C code that is unrelated from
either Mercurial or Python. The `mercurial/cyext` contains Cython extension
code (although for linelog's case, the Cython extension is unrelated from
Mercurial).
Cython is now a hard dependence to simplify the code.
Test Plan: `make local` and check `from mercurial.cyext import linelog` works.
Reviewers: durham, #mercurial
Reviewed By: durham
Subscribers: durham, fried
Differential Revision: https://phabricator.intern.facebook.com/D6678541
Signature: 6678541:1515455512:967266dc69c702dbff95fdea05671e11c32ebf28
