Mercurial > hg
view tests/test-http-branchmap.t @ 24787:9d5c27890790
largefiles: for update -C, only update largefiles when necessary
Before, a --clean update with largefiles would use the "optimization" that it
didn't read hashes from standin files before and after the update. Instead of
trusting the content of the standin files, it would rehash all the actual
largefiles that lfdirstate reported clean and update the standins that didn't
have the expected content. It could thus in some "impossible" situations
automatically recover from some "largefile got out sync with its standin"
issues (even there apparently still were weird corner cases where it could
fail). This extra checking is similar to what core --clean intentionally do
not do, and it made update --clean unbearable slow.
Usually in core Mercurial, --clean will rely on the dirstate to find the files
it should update. (It is thus intentionally possible (when trying to trick the
system or if there should be bugs) to end up in situations where --clean not
will restore the working directory content correctly.) Checking every file when
we "know" it is ok is however not an option - that would be too slow.
Instead, trust the content of the standin files. Use the same logic for --clean
as for linear updates and trust the dirstate and that our "logic" will keep
them in sync. It is much cheaper to just rehash the largefiles reported dirty
by a status walk and read all standins than to hash largefiles.
Most of the changes are just a change of indentation now when the different
kinds of updates no longer are handled that differently. Standins for added
files are however only written when doing a normal update, while deleted and
removed files only will be updated for --clean updates.
author | Mads Kiilerich <madski@unity3d.com> |
---|---|
date | Wed, 15 Apr 2015 15:22:16 -0400 |
parents | 7a9cbb315d84 |
children | 4d2b9b304ad0 |
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#require killdaemons $ hgserve() { > hg serve -a localhost -p $HGPORT1 -d --pid-file=hg.pid \ > -E errors.log -v $@ > startup.log > # Grepping hg serve stdout would hang on Windows > grep -v 'listening at' startup.log > cat hg.pid >> "$DAEMON_PIDS" > } $ hg init a $ hg --encoding utf-8 -R a branch æ marked working directory as branch \xc3\xa6 (esc) (branches are permanent and global, did you want a bookmark?) $ echo foo > a/foo $ hg -R a ci -Am foo adding foo $ hgserve -R a --config web.push_ssl=False --config web.allow_push=* --encoding latin1 $ hg --encoding utf-8 clone http://localhost:$HGPORT1 b requesting all changes adding changesets adding manifests adding file changes added 1 changesets with 1 changes to 1 files updating to branch \xc3\xa6 (esc) 1 files updated, 0 files merged, 0 files removed, 0 files unresolved $ hg --encoding utf-8 -R b log changeset: 0:867c11ce77b8 branch: \xc3\xa6 (esc) tag: tip user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: foo $ echo bar >> b/foo $ hg -R b ci -m bar $ hg --encoding utf-8 -R b push pushing to http://localhost:$HGPORT1/ searching for changes remote: adding changesets remote: adding manifests remote: adding file changes remote: added 1 changesets with 1 changes to 1 files $ hg -R a --encoding utf-8 log changeset: 1:58e7c90d67cb branch: \xc3\xa6 (esc) tag: tip user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: bar changeset: 0:867c11ce77b8 branch: \xc3\xa6 (esc) user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: foo $ "$TESTDIR/killdaemons.py" hg.pid verify 7e7d56fe4833 (encoding fallback in branchmap to maintain compatibility with 1.3.x) $ cat <<EOF > oldhg > import sys > from mercurial import ui, hg, commands > > class StdoutWrapper(object): > def __init__(self, stdout): > self._file = stdout > > def write(self, data): > if data == '47\n': > # latin1 encoding is one %xx (3 bytes) shorter > data = '44\n' > elif data.startswith('%C3%A6 '): > # translate to latin1 encoding > data = '%%E6 %s' % data[7:] > self._file.write(data) > > def __getattr__(self, name): > return getattr(self._file, name) > > sys.stdout = StdoutWrapper(sys.stdout) > sys.stderr = StdoutWrapper(sys.stderr) > > myui = ui.ui() > repo = hg.repository(myui, 'a') > commands.serve(myui, repo, stdio=True, cmdserver=False) > EOF $ echo baz >> b/foo $ hg -R b ci -m baz $ hg push -R b -e 'python oldhg' ssh://dummy/ --encoding latin1 pushing to ssh://dummy/ searching for changes remote: adding changesets remote: adding manifests remote: adding file changes remote: added 1 changesets with 1 changes to 1 files