Mercurial > hg
view tests/test-narrow-commit.t @ 36367:043e77f3be09
sshpeer: return framed file object when needed
Currently, wireproto.wirepeer has a default implementation of
_submitbatch() and sshv1peer has a very similar implementation.
The main difference is that sshv1peer is aware of the total amount
of bytes it can read whereas the default implementation reads the
stream until no more data is returned. The default implementation
works for HTTP, since there is a known end to HTTP responses (either
Content-Length or 0 sized chunk).
This commit teaches sshv1peer to use our just-introduced "cappedreader"
class for wrapping a file object to limit the number of bytes that
can be read. We do this by introducing an argument to specify whether
the response is framed. If set, we returned a cappedreader instance
instead of the raw pipe.
_call() always has framed responses. So we set this argument
unconditionally and then .read() the entirety of the result.
Strictly speaking, we don't need to use cappedreader in this case
and can inline frame decoding/read logic. But I like when things
are consistent. The overhead should be negligible.
_callstream() and _callcompressable() are special: whether framing
is used depends on the specific command. So, we define a set
of commands that have framed response. It currently only
contains "batch."
As a result of this change, the one-off implementation of
_submitbatch() in sshv1peer can be removed since it is now
safe to .read() the response's file object until end of stream.
cappedreader takes care of not overrunning the frame.
Differential Revision: https://phab.mercurial-scm.org/D2380
author | Gregory Szorc <gregory.szorc@gmail.com> |
---|---|
date | Wed, 21 Feb 2018 08:35:48 -0800 |
parents | 5c9bdfb32eac |
children | 4d63f3bc1e1a |
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#testcases flat tree $ . "$TESTDIR/narrow-library.sh" #if tree $ cat << EOF >> $HGRCPATH > [experimental] > treemanifest = 1 > EOF #endif create full repo $ hg init master $ cd master $ mkdir inside $ echo inside > inside/f1 $ mkdir outside $ echo outside > outside/f1 $ hg ci -Aqm 'initial' $ echo modified > inside/f1 $ hg ci -qm 'modify inside' $ echo modified > outside/f1 $ hg ci -qm 'modify outside' $ cd .. $ hg clone --narrow ssh://user@dummy/master narrow --include inside requesting all changes adding changesets adding manifests adding file changes added 3 changesets with 2 changes to 1 files new changesets *:* (glob) updating to branch default 1 files updated, 0 files merged, 0 files removed, 0 files unresolved $ cd narrow $ hg update -q 0 Can not modify dirstate outside $ mkdir outside $ touch outside/f1 $ hg debugwalk -I 'relglob:f1' matcher: <includematcher includes='(?:(?:|.*/)f1(?:/|$))'> f inside/f1 inside/f1 $ hg add outside/f1 abort: cannot track 'outside/f1' - it is outside the narrow clone [255] $ touch outside/f3 $ hg add outside/f3 abort: cannot track 'outside/f3' - it is outside the narrow clone [255] But adding a truly excluded file shouldn't count $ hg add outside/f3 -X outside/f3 $ rm -r outside Can modify dirstate inside $ echo modified > inside/f1 $ touch inside/f3 $ hg add inside/f3 $ hg status M inside/f1 A inside/f3 $ hg revert -qC . $ rm inside/f3 Can commit changes inside. Leaves outside unchanged. $ hg update -q 'desc("initial")' $ echo modified2 > inside/f1 $ hg manifest --debug 4d6a634d5ba06331a60c29ee0db8412490a54fcd 644 inside/f1 7fb3bb6356d28d4dc352c5ba52d7350a81b6bd46 644 outside/f1 (flat !) d0f2f706468ab0e8bec7af87446835fb1b13511b 755 d outside/ (tree !) $ hg commit -m 'modify inside/f1' created new head $ hg files -r . inside/f1 outside/f1 (flat !) outside/ (tree !) $ hg manifest --debug 3f4197b4a11b9016e77ebc47fe566944885fd11b 644 inside/f1 7fb3bb6356d28d4dc352c5ba52d7350a81b6bd46 644 outside/f1 (flat !) d0f2f706468ab0e8bec7af87446835fb1b13511b 755 d outside/ (tree !) Some filesystems (notably FAT/exFAT only store timestamps with 2 seconds of precision, so by sleeping for 3 seconds, we can ensure that the timestamps of files stored by dirstate will appear older than the dirstate file, and therefore we'll be able to get stable output from debugdirstate. If we don't do this, the test can be slightly flaky. $ sleep 3 $ hg status $ hg debugdirstate --nodates n 644 10 set inside/f1