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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====================================

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Testing head checking code: Case E-1

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====================================

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Mercurial checks for the introduction of new heads on push. Evolution comes

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into play to detect if existing branches on the server are being replaced by

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some of the new one we push.

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This case is part of a series of tests checking this behavior.

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Category E: case involving changeset on multiple branch

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TestCase 8: moving a branch to another location

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.. old-state:

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..

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.. * 1-changeset on branch default

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.. * 1-changeset on branch Z (above default)

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..

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.. new-state:

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..

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.. * 1-changeset on branch default

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.. * 1-changeset on branch Z (rebased away from A0)

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..

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.. expected-result:

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..

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.. * push allowed

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..

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.. graph-summary:

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..

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..   B ø⇠◔ B'

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..     | |

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..   A ◔ |

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..     |/

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..     ●

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  $ . $TESTDIR/testlib/push-checkheads-util.sh

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Test setup

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----------

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  $ mkdir E1

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  $ cd E1

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  $ setuprepos

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  creating basic server and client repo

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  updating to branch default

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  2 files updated, 0 files merged, 0 files removed, 0 files unresolved

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  $ cd client

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  $ hg branch Z

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  marked working directory as branch Z

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  (branches are permanent and global, did you want a bookmark?)

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  $ mkcommit B0

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  $ hg push --new-branch

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  pushing to $TESTTMP/E1/server

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  searching for changes

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  adding changesets

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  adding manifests

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  adding file changes

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  added 1 changesets with 1 changes to 1 files

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  $ hg up 0

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  0 files updated, 0 files merged, 2 files removed, 0 files unresolved

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  $ hg branch --force Z

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  marked working directory as branch Z

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  $ mkcommit B1

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  created new head

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  $ hg debugobsolete `getid "desc(B0)" ` `getid "desc(B1)"`

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  1 new obsolescence markers

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  obsoleted 1 changesets

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  $ hg log -G --hidden

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  @  c98b855401e7 (draft): B1

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  |

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  | x  93e5c1321ece (draft): B0

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  | |

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  | o  8aaa48160adc (draft): A0

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  |/

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  o  1e4be0697311 (public): root

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Actual testing

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--------------

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  $ hg push

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  pushing to $TESTTMP/E1/server

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  searching for changes

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  adding changesets

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  adding manifests

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  adding file changes

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  added 1 changesets with 1 changes to 1 files (+1 heads)

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  1 new obsolescence markers

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  obsoleted 1 changesets

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  $ cd ../..