tags-cache: directly perform a monimal walk for hgtagsfnodescache warming We do something narrower than the path retrieving data. So lets use dedicated code instead. This provides further useful speedup: ### 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-this-series: 19.947581 skip-fnode-filter: 18.916804 (-5.17%, -1.03) use-rev-num: 17.493725 (-12.30%, -2.45) this-changesets: 15.919466 (-20.19%, -4.03)

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import sys

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from mercurial import (

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    pycompat,

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    util,

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)

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def main(argv):

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    enc = util.urlreq.quote(pycompat.sysbytes(argv[1]))

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    if pycompat.iswindows:

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        fmt = 'file:///%s'

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    else:

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        fmt = 'file://%s'

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    print(fmt % pycompat.sysstr(enc))

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if __name__ == '__main__':

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    main(sys.argv)