Mercurial > hg
annotate mercurial/help/extensions.txt @ 34124:b90e5b2a9c82
merge: flush any deferred writes before, and after, running any workers
Since we fork to create workers, any changes they queue up will be lost after
the worker terminates, so the easiest solution is to have each worker flush
the writes they accumulate--we are close to the end of the merge in any case.
To prevent duplicated writes, we also have the master processs flush before
forking.
In an in-memory merge (M2), we'll instead disable the use of workers.
Differential Revision: https://phab.mercurial-scm.org/D628
author | Phil Cohen <phillco@fb.com> |
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date | Mon, 11 Sep 2017 13:03:27 -0700 |
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1 Mercurial has the ability to add new features through the use of |
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2 extensions. Extensions may add new commands, add options to |
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3 existing commands, change the default behavior of commands, or |
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4 implement hooks. |
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5 |
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6 To enable the "foo" extension, either shipped with Mercurial or in the |
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7 Python search path, create an entry for it in your configuration file, |
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8 like this:: |
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9 |
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10 [extensions] |
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11 foo = |
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12 |
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13 You may also specify the full path to an extension:: |
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14 |
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15 [extensions] |
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16 myfeature = ~/.hgext/myfeature.py |
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17 |
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18 See :hg:`help config` for more information on configuration files. |
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19 |
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20 Extensions are not loaded by default for a variety of reasons: |
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21 they can increase startup overhead; they may be meant for advanced |
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22 usage only; they may provide potentially dangerous abilities (such |
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23 as letting you destroy or modify history); they might not be ready |
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24 for prime time; or they may alter some usual behaviors of stock |
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25 Mercurial. It is thus up to the user to activate extensions as |
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26 needed. |
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27 |
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28 To explicitly disable an extension enabled in a configuration file of |
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29 broader scope, prepend its path with !:: |
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30 |
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31 [extensions] |
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32 # disabling extension bar residing in /path/to/extension/bar.py |
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33 bar = !/path/to/extension/bar.py |
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34 # ditto, but no path was supplied for extension baz |
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35 baz = ! |