Mercurial > hg
view tests/test-narrow-clone-non-narrow-server.t @ 42415:c767e655ffda
narrow: use narrow_widen wireproto command to widen in case of ellipses
Few releases ago, we introduce narrow_widen wireproto command to be used to widen
narrow repositories. Before this patch, that was used in non-ellipses cases
only. In ellipses cases, we still do exchange.pull() which can pull more data
than required.
After this patch, the client will first check whether server supports doing
ellipses widening using wireproto command or not by checking server's wireproto
capability. If the server is upto date and support latest ellipses capability,
we call the wireproto command. Otherwise we fallback to exchange.pull() like
before.
The compat code make sure that things works even if one of the client or server
is old. The initial version of this patch does not had this compat code. It's
added to help Google release things smoothly internally. I plan to drop the
compat code before the upcoming major release.
Due to change to wireproto command, the code looks a bit dirty, next patches
will clean that up.
Differential Revision: https://phab.mercurial-scm.org/D6436
author | Pulkit Goyal <7895pulkit@gmail.com> |
---|---|
date | Wed, 22 May 2019 02:59:48 +0530 |
parents | e3792741e3fb |
children | 20eba5cef2e0 |
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Test attempting a narrow clone against a server that doesn't support narrowhg. $ . "$TESTDIR/narrow-library.sh" $ hg init master $ cd master $ for x in `$TESTDIR/seq.py 10`; do > echo $x > "f$x" > hg add "f$x" > hg commit -m "Add $x" > done $ hg serve -a localhost -p $HGPORT1 --config extensions.narrow=! -d \ > --pid-file=hg.pid $ cat hg.pid >> "$DAEMON_PIDS" $ hg serve -a localhost -p $HGPORT2 -d --pid-file=hg.pid $ cat hg.pid >> "$DAEMON_PIDS" Verify that narrow is advertised in the bundle2 capabilities: $ cat >> unquote.py <<EOF > from __future__ import print_function > import sys > if sys.version[0] == '3': > import urllib.parse as up > unquote = up.unquote_plus > else: > import urllib > unquote = urllib.unquote_plus > print(unquote(list(sys.stdin)[1])) > EOF $ echo hello | hg -R . serve --stdio | \ > "$PYTHON" unquote.py | tr ' ' '\n' | grep narrow exp-narrow-1 $ cd .. $ hg clone --narrow --include f1 http://localhost:$HGPORT1/ narrowclone requesting all changes abort: server does not support narrow clones [255] Make a narrow clone (via HGPORT2), then try to narrow and widen into it (from HGPORT1) to prove that narrowing is fine and widening fails gracefully: $ hg clone -r 0 --narrow --include f1 http://localhost:$HGPORT2/ narrowclone adding changesets adding manifests adding file changes added 1 changesets with 1 changes to 1 files new changesets * (glob) updating to branch default 1 files updated, 0 files merged, 0 files removed, 0 files unresolved $ cd narrowclone $ hg tracked --addexclude f2 http://localhost:$HGPORT1/ comparing with http://localhost:$HGPORT1/ searching for changes looking for local changes to affected paths $ hg tracked --addinclude f1 http://localhost:$HGPORT1/ nothing to widen or narrow $ hg tracked --addinclude f9 http://localhost:$HGPORT1/ comparing with http://localhost:$HGPORT1/ abort: server does not support narrow clones [255]