hgext/strip.py

store: directly pass the filesize in the `details` of revlog

The dictionary only contains 1 (or 0) entries, we can directly store that
information (or None).

Moving to a simpler argument passing result in a noticable speedup (because
Python)

The number below use `hg perf::stream-locked-section` to measure the time spend
in the locked section of the streaming clone. Number are run on various
repository.

### mercurial-2018-08-01-zstd-sparse-revlog
before: 0.031247 seconds
after:  0.030246 seconds   (-3.20%)
### mozilla-central-2018-08-01-zstd-sparse-revlog
before: 6.718968 seconds
after:  6.304179 seconds   (-6.17%)
### mozilla-try-2019-02-18-zstd-sparse-revlog
before: 14.631343 seconds
after:  14.142687 seconds   (-3.34%)
### netbeans-2018-08-01-zstd-sparse-revlog
before: 2.895584 seconds
after:  2.719939 seconds   (-6.07%)
### pypy-2018-08-01-zstd-sparse-revlog
before: 0.561843 seconds
after:  0.543034 seconds   (-3.35%)

"""strip changesets and their descendants from history (DEPRECATED)

The functionality of this extension has been included in core Mercurial
since version 5.7. Please use :hg:`debugstrip ...` instead.

This extension allows you to strip changesets and all their descendants from the
repository. See the command help for details.
"""

from mercurial import commands

# Note for extension authors: ONLY specify testedwith = 'ships-with-hg-core' for
# extensions which SHIP WITH MERCURIAL. Non-mainline extensions should
# be specifying the version(s) of Mercurial they are tested with, or
# leave the attribute unspecified.
testedwith = b'ships-with-hg-core'

# This is a bit ugly, but a uisetup function that defines strip as an
# alias for debugstrip would override any user alias for strip,
# including aliases like "strip = strip --no-backup".
commands.command.rename(old=b'debugstrip', new=b'debugstrip|strip')