view mercurial/cffi/__init__.py @ 38156:5b592ac502ef

repoview: use 'phasecache.getrevset' when computing 'unserved' filter

This reuses a precomputed set, being much faster than manual iteration.

Computing the "unserved" filter speed up by 55%.

before: wall 0.014671 comb 0.020000 user 0.020000 sys 0.000000 (best of 180)
after:  wall 0.006623 comb 0.010000 user 0.010000 sys 0.000000 (best of 401)

The "unserved" filter is used to restrict the revisions client can pull from a
server. (eg: secret changesets)