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)
#!/usr/bin/env python3
import os
import shlex
import subprocess
import sys
os.chdir(os.getenv('TESTTMP'))
if sys.argv[1] != "user@dummy":
sys.exit(-1)
os.environ["SSH_CLIENT"] = "%s 1 2" % os.environ.get('LOCALIP', '127.0.0.1')
log = open("dummylog", "ab")
log.write(b"Got arguments")
for i, arg in enumerate(sys.argv[1:]):
log.write(b" %d:%s" % (i + 1, arg.encode('latin1')))
log.write(b"\n")
log.close()
hgcmd = sys.argv[2]
if os.name == 'nt':
# hack to make simple unix single quote quoting work on windows
hgcmd = hgcmd.replace("'", '"')
cmds = shlex.split(hgcmd)
if cmds[0].endswith('.py'):
python_exe = os.environ['PYTHON']
cmds.insert(0, python_exe)
hgcmd = shlex.join(cmds)
# shlex generate windows incompatible string...
hgcmd = hgcmd.replace("'", '"')
r = subprocess.call(hgcmd, shell=True, close_fds=True)
sys.exit(bool(r))