phases: invalidate the phases set less often on retract boundary
We already have the information to update the phase set, so we do so directly
instead of invalidating the cache.
This show a sizeable speedup in our `perf::unbundle` benchmark on the
many-draft mozilla-try repository.
### data-env-vars.name = mozilla-try-2023-03-22-zstd-sparse-revlog
# benchmark.name = hg.perf.perf-unbundle
# bin-env-vars.hg.flavor = no-rust
# bin-env-vars.hg.py-re2-module = default
# benchmark.variants.
issue6528 = disabled
# benchmark.variants.revs = last-10
before: 2.055259 seconds
after: 1.887064 seconds (-8.18%)
# benchmark.variants.revs = last-100
before: 2.409239 seconds
after: 2.222429 seconds (-7.75%)
# benchmark.variants.revs = last-1000
before: 3.945648 seconds
after: 3.762480 seconds (-4.64%)
# Copyright 2010-2011 Fog Creek Software
#
# This software may be used and distributed according to the terms of the
# GNU General Public License version 2 or any later version.
'''largefile store working over Mercurial's wire protocol'''
from . import (
lfutil,
remotestore,
)
class wirestore(remotestore.remotestore):
def __init__(self, ui, repo, remote):
cap = remote.capable(b'largefiles')
if not cap:
raise lfutil.storeprotonotcapable([])
storetypes = cap.split(b',')
if b'serve' not in storetypes:
raise lfutil.storeprotonotcapable(storetypes)
self.remote = remote
super(wirestore, self).__init__(ui, repo, remote.url())
def _put(self, hash, fd):
return self.remote.putlfile(hash, fd)
def _get(self, hash):
return self.remote.getlfile(hash)
def _stat(self, hashes):
"""For each hash, return 0 if it is available, other values if not.
It is usually 2 if the largefile is missing, but might be 1 the server
has a corrupted copy."""
with self.remote.commandexecutor() as e:
fs = []
for hash in hashes:
fs.append(
(
hash,
e.callcommand(
b'statlfile',
{
b'sha': hash,
},
),
)
)
return {hash: f.result() for hash, f in fs}