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Differential D4209

changegroup: move manifest chunk emission to generate()
ClosedPublic

Authored by indygreg on Aug 9 2018, 4:52 PM.

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rHGc921ad9cae08: changegroup: move manifest chunk emission to generate()
Summary

We want to get to a point where we can emit data structures from
deltagroup() and derive the raw changegroup data as late as possible.

Diff Detail

Repository
rHG Mercurial
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Automatic diff as part of commit; lint not applicable.
Unit
Automatic diff as part of commit; unit tests not applicable.

Event Timeline

indygreg created this revision.Aug 9 2018, 4:52 PM
durin42 added a subscriber: durin42.Aug 9 2018, 10:17 PM
durin42 added inline comments.
mercurial/changegroup.py
878

nit: this shadows the dir() builtin, which makes me a bit uncomfortable - send a followup?

("tree" maybe?)

indygreg added inline comments.Aug 9 2018, 10:19 PM
mercurial/changegroup.py
878

This bothered me as well. I will happily submit a follow-up. Will tack it at the end of my current series.

Closed by commit rHGc921ad9cae08: changegroup: move manifest chunk emission to generate() (authored by indygreg). · Explain WhyAug 9 2018, 10:24 PM
This revision was automatically updated to reflect the committed changes.

Revision Contents
Changeset List

PathPackages
Mmercurial/changegroup.py (34 lines)

Diff 10233

mercurial/changegroup.py

# either, because we don't discover which directory nodes to # either, because we don't discover which directory nodes to
# send along with files. This could probably be fixed. # send along with files. This could probably be fixed.
fastpathlinkrev = fastpathlinkrev and ( fastpathlinkrev = fastpathlinkrev and (
'treemanifest' not in repo.requirements) 'treemanifest' not in repo.requirements)
fnodes = {} # needed file nodes fnodes = {} # needed file nodes
size = 0 size = 0
for chunk in self.generatemanifests(commonrevs, clrevorder, it = self.generatemanifests(
fastpathlinkrev, mfs, fnodes, source, commonrevs, clrevorder, fastpathlinkrev, mfs, fnodes, source,
clstate['clrevtomanifestrev']): clstate['clrevtomanifestrev'])
for dir, chunks in it:
durin42Unsubmitted
Not Done

nit: this shadows the dir() builtin, which makes me a bit uncomfortable - send a followup?

("tree" maybe?)

durin42: nit: this shadows the dir() builtin, which makes me a bit uncomfortable - send a followup?
indygregAuthorUnsubmitted
Not Done

This bothered me as well. I will happily submit a follow-up. Will tack it at the end of my current series.

indygreg: This bothered me as well. I will happily submit a follow-up. Will tack it at the end of my…
if dir:
assert self.version == b'03'
chunk = _fileheader(dir)
size += len(chunk) size += len(chunk)
yield chunk yield chunk
for chunk in chunks:
size += len(chunk)
yield chunk
close = closechunk()
size += len(close)
yield close
self._verbosenote(_('%8.i (manifests)\n') % size) self._verbosenote(_('%8.i (manifests)\n') % size)
yield self._manifestsend yield self._manifestsend
mfdicts = None mfdicts = None
if self._ellipses and self._isshallow: if self._ellipses and self._isshallow:
mfdicts = [(self._repo.manifestlog[n].read(), lr) mfdicts = [(self._repo.manifestlog[n].read(), lr)
for (n, lr) in mfs.iteritems()] for (n, lr) in mfs.iteritems()]
if self._ellipses: if self._ellipses:
revs = _sortnodesellipsis(store, prunednodes, cl, revs = _sortnodesellipsis(store, prunednodes, cl,
lookupfn) lookupfn)
else: else:
revs = _sortnodesnormal(store, prunednodes, revs = _sortnodesnormal(store, prunednodes,
self._reorder) self._reorder)
if dir:
assert self.version == b'03'
chunk = _fileheader(dir)
yield chunk
it = deltagroup( it = deltagroup(
self._repo, revs, store, False, lookupfn, self._repo, revs, store, False, lookupfn,
self._deltaparentfn, self._builddeltaheader, self._deltaparentfn, self._builddeltaheader,
ellipses=self._ellipses, ellipses=self._ellipses,
units=_('manifests'), units=_('manifests'),
clrevtolocalrev=clrevtolocalrev, clrevtolocalrev=clrevtolocalrev,
fullclnodes=self._fullclnodes, fullclnodes=self._fullclnodes,
precomputedellipsis=self._precomputedellipsis) precomputedellipsis=self._precomputedellipsis)
for chunk in it: yield dir, it
yield chunk
close = closechunk()
yield close
# The 'source' parameter is useful for extensions # The 'source' parameter is useful for extensions
def generatefiles(self, changedfiles, commonrevs, source, def generatefiles(self, changedfiles, commonrevs, source,
mfdicts, fastpathlinkrev, fnodes, clrevs): mfdicts, fastpathlinkrev, fnodes, clrevs):
changedfiles = list(filter(self._filematcher, changedfiles)) changedfiles = list(filter(self._filematcher, changedfiles))
if not fastpathlinkrev: if not fastpathlinkrev:
def normallinknodes(unused, fname): def normallinknodes(unused, fname):