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)

     1

  $ cat <<EOF >> $HGRCPATH

     2

  > [extensions]

     3

  > purge =

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  > EOF

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     6

  $ hg init test

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  $ cd test

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  $ echo a > changed

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  $ echo a > removed

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  $ echo a > source

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  $ hg ci -Am addfiles

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  adding changed

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  adding removed

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  adding source

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  $ echo a >> changed

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  $ echo a > added

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  $ hg add added

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  $ hg rm removed

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  $ hg cp source copied

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  $ hg diff --git > ../unknown.diff

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Test adding on top of an unknown file

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  $ hg up -qC 0

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  $ hg purge

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  $ echo a > added

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  $ hg import --no-commit ../unknown.diff

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  applying ../unknown.diff

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  file added already exists

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  1 out of 1 hunks FAILED -- saving rejects to file added.rej

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  abort: patch failed to apply

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  [20]

    33

    34

Test modifying an unknown file

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  $ hg revert -aq

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  $ hg purge

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  $ hg rm changed

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  $ hg ci -m removechanged

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  $ echo a > changed

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  $ hg import --no-commit ../unknown.diff

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  applying ../unknown.diff

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  abort: cannot patch changed: file is not tracked

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  [20]

    45

    46

Test removing an unknown file

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  $ hg up -qC 0

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  $ hg purge

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  $ hg rm removed

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  $ hg ci -m removeremoved

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  created new head

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  $ echo a > removed

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  $ hg import --no-commit ../unknown.diff

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  applying ../unknown.diff

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  abort: cannot patch removed: file is not tracked

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  [20]

    58

    59

Test copying onto an unknown file

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  $ hg up -qC 0

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  $ hg purge

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  $ echo a > copied

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  $ hg import --no-commit ../unknown.diff

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  applying ../unknown.diff

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  abort: cannot create copied: destination already exists

    67

  [20]

    68

    69

  $ cd ..