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subrepo: make "_sanitize()" take absolute path to the root of subrepo...
subrepo: make "_sanitize()" take absolute path to the root of subrepo Before this patch, "hg update" doesn't sanitize ".hg/hgrc" in non-hg subrepos correctly, if "hg update" is executed not at the root of the parent repository. "_sanitize()" takes relative path to subrepo from the root of the parent repository, and passes it to "os.walk()". In this case, "os.walk()" expects CWD to be equal to the root of the parent repository. So, "os.walk()" can't find specified path (or may scan unexpected path), if CWD isn't equal to the root of the parent repository. Non-hg subrepo under nested hg-subrepos may cause same problem, too: CWD may be equal to the root of the outer most repository, or so. This patch makes "_sanitize()" take absolute path to the root of subrepo to sanitize correctly in such cases. This patch doesn't normalize the path to hostile files as the one relative to CWD (or the root of the outer most repository), to fix the problem in the simple way suitable for "stable". Normalizing should be done in the future: maybe as a part of the migration to vfs.
Jordi Gutiérrez Hermoso - - Load All Authors

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extensions.txt
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Mercurial has the ability to add new features through the use of
extensions. Extensions may add new commands, add options to
existing commands, change the default behavior of commands, or
implement hooks.
To enable the "foo" extension, either shipped with Mercurial or in the
Python search path, create an entry for it in your configuration file,
like this::
[extensions]
foo =
You may also specify the full path to an extension::
[extensions]
myfeature = ~/.hgext/myfeature.py
See :hg:`help config` for more information on configuration files.
Extensions are not loaded by default for a variety of reasons:
they can increase startup overhead; they may be meant for advanced
usage only; they may provide potentially dangerous abilities (such
as letting you destroy or modify history); they might not be ready
for prime time; or they may alter some usual behaviors of stock
Mercurial. It is thus up to the user to activate extensions as
needed.
To explicitly disable an extension enabled in a configuration file of
broader scope, prepend its path with !::
[extensions]
# disabling extension bar residing in /path/to/extension/bar.py
bar = !/path/to/extension/bar.py
# ditto, but no path was supplied for extension baz
baz = !