view .arcconfig @ 45105:5d09a120b4be

extensions: make `hg nonexistent` not crash with PyOxidizer

When running `hg nonexistent`, we try to look for extensions that
provide that command. We do that by looking for files in the
`hgext.__file__` directory. However, PyOxidizer doesn't provide a
`__file__`, so we crash when running with PyOxidizer.

We should be able to look for the command in built-in extensions, but
we seem to already have code for skipping the scan when running in a
frozen binary, so I just modified that code instead.

By the way, it also seems like we should be able to search for
extensions in the `hgext3rd` module, but we don't do that yet either
(before or after this patch).

Differential Revision: https://phab.mercurial-scm.org/D8750

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