mercurial/admin_commands.py

stream-clone: stop getting the file size of all file in v3

The point of v3 is to do less work in the locked section. It was currently not
the case.


This significantly boost performance. The following number comes from a large
private repository using perf::stream-locked-section:

base-line:   35.03 seconds
this-change: 24.50 seconds (-30%)

# admin_commands.py - command processing for admin* commands
#
# Copyright 2022 Mercurial Developers
#
# This software may be used and distributed according to the terms of the
# GNU General Public License version 2 or any later version.

from .i18n import _
from .admin import chainsaw, verify
from . import error, registrar, transaction


table = {}
table.update(chainsaw.command._table)
command = registrar.command(table)


@command(
    b'admin::verify',
    [
        (b'c', b'check', [], _(b'add a check'), _(b'CHECK')),
        (b'o', b'option', [], _(b'pass an option to a check'), _(b'OPTION')),
    ],
    helpcategory=command.CATEGORY_MAINTENANCE,
)
def admin_verify(ui, repo, **opts):
    """verify the integrity of the repository

    Alternative UI to `hg verify` with a lot more control over the
    verification process and better error reporting.
    """

    if not repo.url().startswith(b'file:'):
        raise error.Abort(_(b"cannot verify bundle or remote repos"))

    if transaction.has_abandoned_transaction(repo):
        ui.warn(_(b"abandoned transaction found - run hg recover\n"))

    checks = opts.get("check", [])
    options = opts.get("option", [])

    funcs = verify.get_checks(repo, ui, names=checks, options=options)

    ui.status(_(b"running %d checks\n") % len(funcs))
    # Done in two times so the execution is separated from the resolving step
    for name, func in sorted(funcs.items(), key=lambda x: x[0]):
        ui.status(_(b"running %s\n") % name)
        errors = func()
        if errors:
            ui.warn(_(b"found %d errors\n") % len(errors))