|
|
# fileserverclient.py - client for communicating with the cache process
|
|
|
#
|
|
|
# Copyright 2013 Facebook, Inc.
|
|
|
#
|
|
|
# This software may be used and distributed according to the terms of the
|
|
|
# GNU General Public License version 2 or any later version.
|
|
|
|
|
|
|
|
|
import io
|
|
|
import os
|
|
|
import threading
|
|
|
import time
|
|
|
import zlib
|
|
|
|
|
|
from mercurial.i18n import _
|
|
|
from mercurial.node import bin, hex
|
|
|
from mercurial import (
|
|
|
error,
|
|
|
pycompat,
|
|
|
revlog,
|
|
|
sshpeer,
|
|
|
util,
|
|
|
wireprotov1peer,
|
|
|
)
|
|
|
from mercurial.utils import (
|
|
|
hashutil,
|
|
|
procutil,
|
|
|
)
|
|
|
|
|
|
from . import (
|
|
|
constants,
|
|
|
contentstore,
|
|
|
metadatastore,
|
|
|
)
|
|
|
|
|
|
_sshv1peer = sshpeer.sshv1peer
|
|
|
|
|
|
# Statistics for debugging
|
|
|
fetchcost = 0
|
|
|
fetches = 0
|
|
|
fetched = 0
|
|
|
fetchmisses = 0
|
|
|
|
|
|
_lfsmod = None
|
|
|
|
|
|
|
|
|
def getcachekey(reponame, file, id):
|
|
|
pathhash = hex(hashutil.sha1(file).digest())
|
|
|
return os.path.join(reponame, pathhash[:2], pathhash[2:], id)
|
|
|
|
|
|
|
|
|
def getlocalkey(file, id):
|
|
|
pathhash = hex(hashutil.sha1(file).digest())
|
|
|
return os.path.join(pathhash, id)
|
|
|
|
|
|
|
|
|
def peersetup(ui, peer):
|
|
|
class remotefilepeer(peer.__class__):
|
|
|
@wireprotov1peer.batchable
|
|
|
def x_rfl_getfile(self, file, node):
|
|
|
if not self.capable(b'x_rfl_getfile'):
|
|
|
raise error.Abort(
|
|
|
b'configured remotefile server does not support getfile'
|
|
|
)
|
|
|
|
|
|
def decode(d):
|
|
|
code, data = d.split(b'\0', 1)
|
|
|
if int(code):
|
|
|
raise error.LookupError(file, node, data)
|
|
|
return data
|
|
|
|
|
|
return {b'file': file, b'node': node}, decode
|
|
|
|
|
|
@wireprotov1peer.batchable
|
|
|
def x_rfl_getflogheads(self, path):
|
|
|
if not self.capable(b'x_rfl_getflogheads'):
|
|
|
raise error.Abort(
|
|
|
b'configured remotefile server does not '
|
|
|
b'support getflogheads'
|
|
|
)
|
|
|
|
|
|
def decode(d):
|
|
|
return d.split(b'\n') if d else []
|
|
|
|
|
|
return {b'path': path}, decode
|
|
|
|
|
|
def _updatecallstreamopts(self, command, opts):
|
|
|
if command != b'getbundle':
|
|
|
return
|
|
|
if (
|
|
|
constants.NETWORK_CAP_LEGACY_SSH_GETFILES
|
|
|
not in self.capabilities()
|
|
|
):
|
|
|
return
|
|
|
if not hasattr(self, '_localrepo'):
|
|
|
return
|
|
|
if (
|
|
|
constants.SHALLOWREPO_REQUIREMENT
|
|
|
not in self._localrepo.requirements
|
|
|
):
|
|
|
return
|
|
|
|
|
|
bundlecaps = opts.get(b'bundlecaps')
|
|
|
if bundlecaps:
|
|
|
bundlecaps = [bundlecaps]
|
|
|
else:
|
|
|
bundlecaps = []
|
|
|
|
|
|
# shallow, includepattern, and excludepattern are a hacky way of
|
|
|
# carrying over data from the local repo to this getbundle
|
|
|
# command. We need to do it this way because bundle1 getbundle
|
|
|
# doesn't provide any other place we can hook in to manipulate
|
|
|
# getbundle args before it goes across the wire. Once we get rid
|
|
|
# of bundle1, we can use bundle2's _pullbundle2extraprepare to
|
|
|
# do this more cleanly.
|
|
|
bundlecaps.append(constants.BUNDLE2_CAPABLITY)
|
|
|
if self._localrepo.includepattern:
|
|
|
patterns = b'\0'.join(self._localrepo.includepattern)
|
|
|
includecap = b"includepattern=" + patterns
|
|
|
bundlecaps.append(includecap)
|
|
|
if self._localrepo.excludepattern:
|
|
|
patterns = b'\0'.join(self._localrepo.excludepattern)
|
|
|
excludecap = b"excludepattern=" + patterns
|
|
|
bundlecaps.append(excludecap)
|
|
|
opts[b'bundlecaps'] = b','.join(bundlecaps)
|
|
|
|
|
|
def _sendrequest(self, command, args, **opts):
|
|
|
self._updatecallstreamopts(command, args)
|
|
|
return super(remotefilepeer, self)._sendrequest(
|
|
|
command, args, **opts
|
|
|
)
|
|
|
|
|
|
def _callstream(self, command, **opts):
|
|
|
supertype = super(remotefilepeer, self)
|
|
|
if not hasattr(supertype, '_sendrequest'):
|
|
|
self._updatecallstreamopts(command, pycompat.byteskwargs(opts))
|
|
|
return super(remotefilepeer, self)._callstream(command, **opts)
|
|
|
|
|
|
peer.__class__ = remotefilepeer
|
|
|
|
|
|
|
|
|
class cacheconnection:
|
|
|
"""The connection for communicating with the remote cache. Performs
|
|
|
gets and sets by communicating with an external process that has the
|
|
|
cache-specific implementation.
|
|
|
"""
|
|
|
|
|
|
def __init__(self):
|
|
|
self.pipeo = self.pipei = self.pipee = None
|
|
|
self.subprocess = None
|
|
|
self.connected = False
|
|
|
|
|
|
def connect(self, cachecommand):
|
|
|
if self.pipeo:
|
|
|
raise error.Abort(_(b"cache connection already open"))
|
|
|
self.pipei, self.pipeo, self.pipee, self.subprocess = procutil.popen4(
|
|
|
cachecommand
|
|
|
)
|
|
|
self.connected = True
|
|
|
|
|
|
def close(self):
|
|
|
def tryclose(pipe):
|
|
|
try:
|
|
|
pipe.close()
|
|
|
except Exception:
|
|
|
pass
|
|
|
|
|
|
if self.connected:
|
|
|
try:
|
|
|
self.pipei.write(b"exit\n")
|
|
|
except Exception:
|
|
|
pass
|
|
|
tryclose(self.pipei)
|
|
|
self.pipei = None
|
|
|
tryclose(self.pipeo)
|
|
|
self.pipeo = None
|
|
|
tryclose(self.pipee)
|
|
|
self.pipee = None
|
|
|
try:
|
|
|
# Wait for process to terminate, making sure to avoid deadlock.
|
|
|
# See https://docs.python.org/2/library/subprocess.html for
|
|
|
# warnings about wait() and deadlocking.
|
|
|
self.subprocess.communicate()
|
|
|
except Exception:
|
|
|
pass
|
|
|
self.subprocess = None
|
|
|
self.connected = False
|
|
|
|
|
|
def request(self, request, flush=True):
|
|
|
if self.connected:
|
|
|
try:
|
|
|
self.pipei.write(request)
|
|
|
if flush:
|
|
|
self.pipei.flush()
|
|
|
except IOError:
|
|
|
self.close()
|
|
|
|
|
|
def receiveline(self):
|
|
|
if not self.connected:
|
|
|
return None
|
|
|
try:
|
|
|
result = self.pipeo.readline()[:-1]
|
|
|
if not result:
|
|
|
self.close()
|
|
|
except IOError:
|
|
|
self.close()
|
|
|
|
|
|
return result
|
|
|
|
|
|
|
|
|
def _getfilesbatch(
|
|
|
remote, receivemissing, progresstick, missed, idmap, batchsize
|
|
|
):
|
|
|
# Over http(s), iterbatch is a streamy method and we can start
|
|
|
# looking at results early. This means we send one (potentially
|
|
|
# large) request, but then we show nice progress as we process
|
|
|
# file results, rather than showing chunks of $batchsize in
|
|
|
# progress.
|
|
|
#
|
|
|
# Over ssh, iterbatch isn't streamy because batch() wasn't
|
|
|
# explicitly designed as a streaming method. In the future we
|
|
|
# should probably introduce a streambatch() method upstream and
|
|
|
# use that for this.
|
|
|
with remote.commandexecutor() as e:
|
|
|
futures = []
|
|
|
for m in missed:
|
|
|
futures.append(
|
|
|
e.callcommand(
|
|
|
b'x_rfl_getfile', {b'file': idmap[m], b'node': m[-40:]}
|
|
|
)
|
|
|
)
|
|
|
|
|
|
for i, m in enumerate(missed):
|
|
|
r = futures[i].result()
|
|
|
futures[i] = None # release memory
|
|
|
file_ = idmap[m]
|
|
|
node = m[-40:]
|
|
|
receivemissing(io.BytesIO(b'%d\n%s' % (len(r), r)), file_, node)
|
|
|
progresstick()
|
|
|
|
|
|
|
|
|
def _getfiles_optimistic(
|
|
|
remote, receivemissing, progresstick, missed, idmap, step
|
|
|
):
|
|
|
remote._callstream(b"x_rfl_getfiles")
|
|
|
i = 0
|
|
|
pipeo = remote._pipeo
|
|
|
pipei = remote._pipei
|
|
|
while i < len(missed):
|
|
|
# issue a batch of requests
|
|
|
start = i
|
|
|
end = min(len(missed), start + step)
|
|
|
i = end
|
|
|
for missingid in missed[start:end]:
|
|
|
# issue new request
|
|
|
versionid = missingid[-40:]
|
|
|
file = idmap[missingid]
|
|
|
sshrequest = b"%s%s\n" % (versionid, file)
|
|
|
pipeo.write(sshrequest)
|
|
|
pipeo.flush()
|
|
|
|
|
|
# receive batch results
|
|
|
for missingid in missed[start:end]:
|
|
|
versionid = missingid[-40:]
|
|
|
file = idmap[missingid]
|
|
|
receivemissing(pipei, file, versionid)
|
|
|
progresstick()
|
|
|
|
|
|
# End the command
|
|
|
pipeo.write(b'\n')
|
|
|
pipeo.flush()
|
|
|
|
|
|
|
|
|
def _getfiles_threaded(
|
|
|
remote, receivemissing, progresstick, missed, idmap, step
|
|
|
):
|
|
|
remote._callstream(b"x_rfl_getfiles")
|
|
|
pipeo = remote._pipeo
|
|
|
pipei = remote._pipei
|
|
|
|
|
|
def writer():
|
|
|
for missingid in missed:
|
|
|
versionid = missingid[-40:]
|
|
|
file = idmap[missingid]
|
|
|
sshrequest = b"%s%s\n" % (versionid, file)
|
|
|
pipeo.write(sshrequest)
|
|
|
pipeo.flush()
|
|
|
|
|
|
writerthread = threading.Thread(target=writer)
|
|
|
writerthread.daemon = True
|
|
|
writerthread.start()
|
|
|
|
|
|
for missingid in missed:
|
|
|
versionid = missingid[-40:]
|
|
|
file = idmap[missingid]
|
|
|
receivemissing(pipei, file, versionid)
|
|
|
progresstick()
|
|
|
|
|
|
writerthread.join()
|
|
|
# End the command
|
|
|
pipeo.write(b'\n')
|
|
|
pipeo.flush()
|
|
|
|
|
|
|
|
|
class fileserverclient:
|
|
|
"""A client for requesting files from the remote file server."""
|
|
|
|
|
|
def __init__(self, repo):
|
|
|
ui = repo.ui
|
|
|
self.repo = repo
|
|
|
self.ui = ui
|
|
|
self.cacheprocess = ui.config(b"remotefilelog", b"cacheprocess")
|
|
|
if self.cacheprocess:
|
|
|
self.cacheprocess = util.expandpath(self.cacheprocess)
|
|
|
|
|
|
# This option causes remotefilelog to pass the full file path to the
|
|
|
# cacheprocess instead of a hashed key.
|
|
|
self.cacheprocesspasspath = ui.configbool(
|
|
|
b"remotefilelog", b"cacheprocess.includepath"
|
|
|
)
|
|
|
|
|
|
self.debugoutput = ui.configbool(b"remotefilelog", b"debug")
|
|
|
|
|
|
self.remotecache = cacheconnection()
|
|
|
|
|
|
def setstore(self, datastore, historystore, writedata, writehistory):
|
|
|
self.datastore = datastore
|
|
|
self.historystore = historystore
|
|
|
self.writedata = writedata
|
|
|
self.writehistory = writehistory
|
|
|
|
|
|
def _connect(self):
|
|
|
return self.repo.connectionpool.get(self.repo.fallbackpath)
|
|
|
|
|
|
def request(self, fileids):
|
|
|
"""Takes a list of filename/node pairs and fetches them from the
|
|
|
server. Files are stored in the local cache.
|
|
|
A list of nodes that the server couldn't find is returned.
|
|
|
If the connection fails, an exception is raised.
|
|
|
"""
|
|
|
if not self.remotecache.connected:
|
|
|
self.connect()
|
|
|
cache = self.remotecache
|
|
|
writedata = self.writedata
|
|
|
|
|
|
repo = self.repo
|
|
|
total = len(fileids)
|
|
|
request = b"get\n%d\n" % total
|
|
|
idmap = {}
|
|
|
reponame = repo.name
|
|
|
for file, id in fileids:
|
|
|
fullid = getcachekey(reponame, file, id)
|
|
|
if self.cacheprocesspasspath:
|
|
|
request += file + b'\0'
|
|
|
request += fullid + b"\n"
|
|
|
idmap[fullid] = file
|
|
|
|
|
|
cache.request(request)
|
|
|
|
|
|
progress = self.ui.makeprogress(_(b'downloading'), total=total)
|
|
|
progress.update(0)
|
|
|
|
|
|
missed = []
|
|
|
while True:
|
|
|
missingid = cache.receiveline()
|
|
|
if not missingid:
|
|
|
missedset = set(missed)
|
|
|
for missingid in idmap:
|
|
|
if not missingid in missedset:
|
|
|
missed.append(missingid)
|
|
|
self.ui.warn(
|
|
|
_(
|
|
|
b"warning: cache connection closed early - "
|
|
|
+ b"falling back to server\n"
|
|
|
)
|
|
|
)
|
|
|
break
|
|
|
if missingid == b"0":
|
|
|
break
|
|
|
if missingid.startswith(b"_hits_"):
|
|
|
# receive progress reports
|
|
|
parts = missingid.split(b"_")
|
|
|
progress.increment(int(parts[2]))
|
|
|
continue
|
|
|
|
|
|
missed.append(missingid)
|
|
|
|
|
|
global fetchmisses
|
|
|
fetchmisses += len(missed)
|
|
|
|
|
|
fromcache = total - len(missed)
|
|
|
progress.update(fromcache, total=total)
|
|
|
self.ui.log(
|
|
|
b"remotefilelog",
|
|
|
b"remote cache hit rate is %r of %r\n",
|
|
|
fromcache,
|
|
|
total,
|
|
|
hit=fromcache,
|
|
|
total=total,
|
|
|
)
|
|
|
|
|
|
oldumask = os.umask(0o002)
|
|
|
try:
|
|
|
# receive cache misses from master
|
|
|
if missed:
|
|
|
# When verbose is true, sshpeer prints 'running ssh...'
|
|
|
# to stdout, which can interfere with some command
|
|
|
# outputs
|
|
|
verbose = self.ui.verbose
|
|
|
self.ui.verbose = False
|
|
|
try:
|
|
|
with self._connect() as conn:
|
|
|
remote = conn.peer
|
|
|
if remote.capable(
|
|
|
constants.NETWORK_CAP_LEGACY_SSH_GETFILES
|
|
|
):
|
|
|
if not isinstance(remote, _sshv1peer):
|
|
|
raise error.Abort(
|
|
|
b'remotefilelog requires ssh servers'
|
|
|
)
|
|
|
step = self.ui.configint(
|
|
|
b'remotefilelog', b'getfilesstep'
|
|
|
)
|
|
|
getfilestype = self.ui.config(
|
|
|
b'remotefilelog', b'getfilestype'
|
|
|
)
|
|
|
if getfilestype == b'threaded':
|
|
|
_getfiles = _getfiles_threaded
|
|
|
else:
|
|
|
_getfiles = _getfiles_optimistic
|
|
|
_getfiles(
|
|
|
remote,
|
|
|
self.receivemissing,
|
|
|
progress.increment,
|
|
|
missed,
|
|
|
idmap,
|
|
|
step,
|
|
|
)
|
|
|
elif remote.capable(b"x_rfl_getfile"):
|
|
|
if remote.capable(b'batch'):
|
|
|
batchdefault = 100
|
|
|
else:
|
|
|
batchdefault = 10
|
|
|
batchsize = self.ui.configint(
|
|
|
b'remotefilelog', b'batchsize', batchdefault
|
|
|
)
|
|
|
self.ui.debug(
|
|
|
b'requesting %d files from '
|
|
|
b'remotefilelog server...\n' % len(missed)
|
|
|
)
|
|
|
_getfilesbatch(
|
|
|
remote,
|
|
|
self.receivemissing,
|
|
|
progress.increment,
|
|
|
missed,
|
|
|
idmap,
|
|
|
batchsize,
|
|
|
)
|
|
|
else:
|
|
|
raise error.Abort(
|
|
|
b"configured remotefilelog server"
|
|
|
b" does not support remotefilelog"
|
|
|
)
|
|
|
|
|
|
self.ui.log(
|
|
|
b"remotefilefetchlog",
|
|
|
b"Success\n",
|
|
|
fetched_files=progress.pos - fromcache,
|
|
|
total_to_fetch=total - fromcache,
|
|
|
)
|
|
|
except Exception:
|
|
|
self.ui.log(
|
|
|
b"remotefilefetchlog",
|
|
|
b"Fail\n",
|
|
|
fetched_files=progress.pos - fromcache,
|
|
|
total_to_fetch=total - fromcache,
|
|
|
)
|
|
|
raise
|
|
|
finally:
|
|
|
self.ui.verbose = verbose
|
|
|
# send to memcache
|
|
|
request = b"set\n%d\n%s\n" % (len(missed), b"\n".join(missed))
|
|
|
cache.request(request)
|
|
|
|
|
|
progress.complete()
|
|
|
|
|
|
# mark ourselves as a user of this cache
|
|
|
writedata.markrepo(self.repo.path)
|
|
|
finally:
|
|
|
os.umask(oldumask)
|
|
|
|
|
|
def receivemissing(self, pipe, filename, node):
|
|
|
line = pipe.readline()[:-1]
|
|
|
if not line:
|
|
|
raise error.ResponseError(
|
|
|
_(b"error downloading file contents:"),
|
|
|
_(b"connection closed early"),
|
|
|
)
|
|
|
size = int(line)
|
|
|
data = pipe.read(size)
|
|
|
if len(data) != size:
|
|
|
raise error.ResponseError(
|
|
|
_(b"error downloading file contents:"),
|
|
|
_(b"only received %s of %s bytes") % (len(data), size),
|
|
|
)
|
|
|
|
|
|
self.writedata.addremotefilelognode(
|
|
|
filename, bin(node), zlib.decompress(data)
|
|
|
)
|
|
|
|
|
|
def connect(self):
|
|
|
if self.cacheprocess:
|
|
|
cmd = b"%s %s" % (self.cacheprocess, self.writedata._path)
|
|
|
self.remotecache.connect(cmd)
|
|
|
else:
|
|
|
# If no cache process is specified, we fake one that always
|
|
|
# returns cache misses. This enables tests to run easily
|
|
|
# and may eventually allow us to be a drop in replacement
|
|
|
# for the largefiles extension.
|
|
|
class simplecache:
|
|
|
def __init__(self):
|
|
|
self.missingids = []
|
|
|
self.connected = True
|
|
|
|
|
|
def close(self):
|
|
|
pass
|
|
|
|
|
|
def request(self, value, flush=True):
|
|
|
lines = value.split(b"\n")
|
|
|
if lines[0] != b"get":
|
|
|
return
|
|
|
self.missingids = lines[2:-1]
|
|
|
self.missingids.append(b'0')
|
|
|
|
|
|
def receiveline(self):
|
|
|
if len(self.missingids) > 0:
|
|
|
return self.missingids.pop(0)
|
|
|
return None
|
|
|
|
|
|
self.remotecache = simplecache()
|
|
|
|
|
|
def close(self):
|
|
|
if fetches:
|
|
|
msg = (
|
|
|
b"%d files fetched over %d fetches - "
|
|
|
+ b"(%d misses, %0.2f%% hit ratio) over %0.2fs\n"
|
|
|
) % (
|
|
|
fetched,
|
|
|
fetches,
|
|
|
fetchmisses,
|
|
|
float(fetched - fetchmisses) / float(fetched) * 100.0,
|
|
|
fetchcost,
|
|
|
)
|
|
|
if self.debugoutput:
|
|
|
self.ui.warn(msg)
|
|
|
self.ui.log(
|
|
|
b"remotefilelog.prefetch",
|
|
|
msg.replace(b"%", b"%%"),
|
|
|
remotefilelogfetched=fetched,
|
|
|
remotefilelogfetches=fetches,
|
|
|
remotefilelogfetchmisses=fetchmisses,
|
|
|
remotefilelogfetchtime=fetchcost * 1000,
|
|
|
)
|
|
|
|
|
|
if self.remotecache.connected:
|
|
|
self.remotecache.close()
|
|
|
|
|
|
def prefetch(
|
|
|
self, fileids, force=False, fetchdata=True, fetchhistory=False
|
|
|
):
|
|
|
"""downloads the given file versions to the cache"""
|
|
|
repo = self.repo
|
|
|
idstocheck = []
|
|
|
for file, id in fileids:
|
|
|
# hack
|
|
|
# - we don't use .hgtags
|
|
|
# - workingctx produces ids with length 42,
|
|
|
# which we skip since they aren't in any cache
|
|
|
if (
|
|
|
file == b'.hgtags'
|
|
|
or len(id) == 42
|
|
|
or not repo.shallowmatch(file)
|
|
|
):
|
|
|
continue
|
|
|
|
|
|
idstocheck.append((file, bin(id)))
|
|
|
|
|
|
datastore = self.datastore
|
|
|
historystore = self.historystore
|
|
|
if force:
|
|
|
datastore = contentstore.unioncontentstore(*repo.shareddatastores)
|
|
|
historystore = metadatastore.unionmetadatastore(
|
|
|
*repo.sharedhistorystores
|
|
|
)
|
|
|
|
|
|
missingids = set()
|
|
|
if fetchdata:
|
|
|
missingids.update(datastore.getmissing(idstocheck))
|
|
|
if fetchhistory:
|
|
|
missingids.update(historystore.getmissing(idstocheck))
|
|
|
|
|
|
# partition missing nodes into nullid and not-nullid so we can
|
|
|
# warn about this filtering potentially shadowing bugs.
|
|
|
nullids = len(
|
|
|
[None for unused, id in missingids if id == self.repo.nullid]
|
|
|
)
|
|
|
if nullids:
|
|
|
missingids = [
|
|
|
(f, id) for f, id in missingids if id != self.repo.nullid
|
|
|
]
|
|
|
repo.ui.develwarn(
|
|
|
(
|
|
|
b'remotefilelog not fetching %d null revs'
|
|
|
b' - this is likely hiding bugs' % nullids
|
|
|
),
|
|
|
config=b'remotefilelog-ext',
|
|
|
)
|
|
|
if missingids:
|
|
|
global fetches, fetched, fetchcost
|
|
|
fetches += 1
|
|
|
|
|
|
# We want to be able to detect excess individual file downloads, so
|
|
|
# let's log that information for debugging.
|
|
|
if fetches >= 15 and fetches < 18:
|
|
|
if fetches == 15:
|
|
|
fetchwarning = self.ui.config(
|
|
|
b'remotefilelog', b'fetchwarning'
|
|
|
)
|
|
|
if fetchwarning:
|
|
|
self.ui.warn(fetchwarning + b'\n')
|
|
|
self.logstacktrace()
|
|
|
missingids = [(file, hex(id)) for file, id in sorted(missingids)]
|
|
|
fetched += len(missingids)
|
|
|
start = time.time()
|
|
|
missingids = self.request(missingids)
|
|
|
if missingids:
|
|
|
raise error.Abort(
|
|
|
_(b"unable to download %d files") % len(missingids)
|
|
|
)
|
|
|
fetchcost += time.time() - start
|
|
|
self._lfsprefetch(fileids)
|
|
|
|
|
|
def _lfsprefetch(self, fileids):
|
|
|
if not _lfsmod or not hasattr(self.repo.svfs, 'lfslocalblobstore'):
|
|
|
return
|
|
|
if not _lfsmod.wrapper.candownload(self.repo):
|
|
|
return
|
|
|
pointers = []
|
|
|
store = self.repo.svfs.lfslocalblobstore
|
|
|
for file, id in fileids:
|
|
|
node = bin(id)
|
|
|
rlog = self.repo.file(file)
|
|
|
if rlog.flags(node) & revlog.REVIDX_EXTSTORED:
|
|
|
text = rlog.rawdata(node)
|
|
|
p = _lfsmod.pointer.deserialize(text)
|
|
|
oid = p.oid()
|
|
|
if not store.has(oid):
|
|
|
pointers.append(p)
|
|
|
if len(pointers) > 0:
|
|
|
self.repo.svfs.lfsremoteblobstore.readbatch(pointers, store)
|
|
|
assert all(store.has(p.oid()) for p in pointers)
|
|
|
|
|
|
def logstacktrace(self):
|
|
|
import traceback
|
|
|
|
|
|
self.ui.log(
|
|
|
b'remotefilelog',
|
|
|
b'excess remotefilelog fetching:\n%s\n',
|
|
|
b''.join(pycompat.sysbytes(s) for s in traceback.format_stack()),
|
|
|
)
|
|
|
|
