tags-cache: skip the filternode step if we are not going to use it
When warming the hgtagsfnodescache, we don't need the actual result, so we can
simply skip the part that "filter" fnode we read from the cache. So provide a
quite visible speed up to the top level `hg debugupdatecache` function.
### data-env-vars.name = mozilla-try-2023-03-22-zstd-sparse-revlog
# benchmark.name = hg.debug.debug-update-cache
# bin-env-vars.hg.flavor = default
# bin-env-vars.hg.py-re2-module = default
# benchmark.variants.pre-state = warm
before: 19.947581
after: 18.916804 (-5.17%, -1.03)
APE=/sys/src/ape
<$APE/config
PYTHON=python
PYTHONBIN=/rc/bin
SH=ape/psh
PURE=--pure
ROOT=../..
# This is slightly underhanded; Plan 9 does not support GNU gettext nor
# does it support dynamically loaded extension modules. We work around
# this by calling build_py and build_scripts directly; this avoids
# additional platform hacks in setup.py.
build:VQ:
@{
cd $ROOT
$SH -c '$PYTHON setup.py $PURE build_py build_scripts'
}
clean:VQ:
@{
cd $ROOT
$SH -c '$PYTHON setup.py $PURE clean --all'
}
install:VQ: build
@{
cd $ROOT
$SH -c '$PYTHON setup.py $PURE install \
--install-scripts $PYTHONBIN \
--skip-build \
--force'
}
mkdir -p /lib/mercurial/hgrc.d
dircp hgrc.d /lib/mercurial/hgrc.d/
cp 9diff /rc/bin/