outgoing: add a simple fastpath when there is no common This further speed up case like `hg bundle --all` for larger repository. ### data-env-vars.name = mozilla-try-2023-03-22-zstd-sparse-revlog # benchmark.name = hg.command.bundle # bin-env-vars.hg.flavor = default # bin-env-vars.hg.py-re2-module = default # benchmark.variants.revs = all # benchmark.variants.type = none-streamv2 before: 316.749699 after: 311.165461 (-1.76%, -5.58) There is further work to be done in this area like not doing any outgoing computation in the stream case for example. however the recent changes already gives use a large win for a small amount of local work. ### benchmark.name = hg.command.bundle # bin-env-vars.hg.flavor = default # bin-env-vars.hg.py-re2-module = default # benchmark.variants.revs = all # benchmark.variants.type = none-streamv2 ## data-env-vars.name = mercurial-public-2024-03-22-zstd-sparse-revlog pre-%ln-change: 1.263859 the-%ln-change: 0.700229 (-44.60%, -0.56) prev-changeset: 0.496050 (-60.75%, -0.77) this-changeset: 0.495243 (-60.81%, -0.77) ## data-env-vars.name = tryton-public-2024-03-22-zstd-sparse-revlog pre-%ln-change: 2.975765 the-%ln-change: 1.870798 (-37.13%, -1.10) prev-changeset: 1.461583 (-50.88%, -1.51) this-changeset: 1.469185 (-50.63%, -1.51) ## data-env-vars.name = pypy-2024-03-22-zstd-sparse-revlog pre-%ln-change: 4.540080 the-%ln-change: 3.401700 (-25.07%, -1.14) prev-changeset: 2.915810 (-35.78%, -1.62) this-changeset: 2.911643 (-35.87%, -1.63) ## data-env-vars.name = heptapod-public-2024-03-25-zstd-sparse-revlog pre-%ln-change: 10.138396 the-%ln-change: 7.750458 (-23.55%, -2.39) prev-changeset: 6.665565 (-34.25%, -3.47) this-changeset: 6.672078 (-34.19%, -3.47) ## data-env-vars.name = mozilla-try-2023-03-22-zstd-sparse-revlog pre-%ln-change: 399.484481 the-%ln-change: 346.508952 (-13.26%, -52.98) prev-changeset: 316.749699 (-20.71%, -82.73) this-changeset: 311.165461 (-22.11%, -88.32)

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#!/usr/bin/env python3

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#

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# simple script to be used in hooks

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#

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# put something like this in the repo .hg/hgrc:

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#

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#     [hooks]

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#     changegroup = python "$TESTDIR/printenv.py" <hookname> [exit] [output]

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#

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#   - <hookname> is a mandatory argument (e.g. "changegroup")

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#   - [exit] is the exit code of the hook (default: 0)

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#   - [output] is the name of the output file (default: use sys.stdout)

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#              the file will be opened in append mode.

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#

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import argparse

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import os

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import sys

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try:

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    import msvcrt

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    msvcrt.setmode(sys.stdin.fileno(), os.O_BINARY)

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    msvcrt.setmode(sys.stdout.fileno(), os.O_BINARY)

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    msvcrt.setmode(sys.stderr.fileno(), os.O_BINARY)

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except ImportError:

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    pass

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parser = argparse.ArgumentParser()

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parser.add_argument("name", help="the hook name, used for display")

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parser.add_argument(

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    "exitcode",

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    nargs="?",

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    default=0,

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    type=int,

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    help="the exit code for the hook",

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)

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parser.add_argument(

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    "out", nargs="?", default=None, help="where to write the output"

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)

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parser.add_argument(

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    "--line",

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    action="store_true",

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    help="print environment variables one per line instead of on a single line",

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)

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args = parser.parse_args()

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if args.out is None:

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    out = sys.stdout

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    out = getattr(out, "buffer", out)

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else:

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    out = open(args.out, "ab")

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# variables with empty values may not exist on all platforms, filter

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# them now for portability sake.

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env = [(k, v) for k, v in os.environ.items() if k.startswith("HG_") and v]

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env.sort()

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out.write(b"%s hook: " % args.name.encode('ascii'))

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if os.name == 'nt':

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    filter = lambda x: x.replace('\\', '/')

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else:

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    filter = lambda x: x

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vars = [

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    b"%s=%s" % (k.encode('ascii'), filter(v).encode('ascii')) for k, v in env

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]

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# Print variables on out

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if not args.line:

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    out.write(b" ".join(vars))

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else:

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    for var in vars:

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        out.write(var)

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        out.write(b"\n")

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out.write(b"\n")

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out.close()

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sys.exit(args.exitcode)