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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test sparse with --verbose and -T json

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  $ hg init myrepo

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  $ cd myrepo

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  $ cat > .hg/hgrc <<EOF

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  > [extensions]

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  > sparse=

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  > strip=

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  > EOF

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  $ echo a > show

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  $ echo x > hide

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  $ hg ci -Aqm 'initial'

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  $ echo b > show

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  $ echo y > hide

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  $ echo aa > show2

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  $ echo xx > hide2

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  $ hg ci -Aqm 'two'

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Verify basic --include and --reset

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  $ hg up -q 0

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  $ hg debugsparse --include 'hide' -Tjson

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  [

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   {

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    "exclude_rules_added": 0,

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    "files_added": 0,

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    "files_conflicting": 0,

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    "files_dropped": 1,

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    "include_rules_added": 1,

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    "profiles_added": 0

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   }

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  ]

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  $ hg debugsparse --clear-rules

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  $ hg debugsparse --include 'hide' --verbose

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  removing show

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  Profiles changed: 0

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  Include rules changed: 1

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  Exclude rules changed: 0

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  $ hg debugsparse --reset -Tjson

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  [

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   {

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    "exclude_rules_added": 0,

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    "files_added": 1,

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    "files_conflicting": 0,

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    "files_dropped": 0,

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    "include_rules_added": -1,

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    "profiles_added": 0

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   }

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  ]

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  $ hg debugsparse --include 'hide'

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  $ hg debugsparse --reset --verbose

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  getting show

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  Profiles changed: 0

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  Include rules changed: -1

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  Exclude rules changed: 0

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Verifying that problematic files still allow us to see the deltas when forcing:

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  $ hg debugsparse --include 'show*'

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  $ touch hide

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  $ hg debugsparse --delete 'show*' --force -Tjson

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  pending changes to 'hide'

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  [

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   {

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    "exclude_rules_added": 0,

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    "files_added": 0,

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    "files_conflicting": 1,

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    "files_dropped": 0,

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    "include_rules_added": -1,

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    "profiles_added": 0

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   }

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  ]

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  $ hg debugsparse --include 'show*' --force

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  pending changes to 'hide'

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  $ hg debugsparse --delete 'show*' --force --verbose

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  pending changes to 'hide'

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  Profiles changed: 0

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  Include rules changed: -1

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  Exclude rules changed: 0