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util: make `mmapread()` work on Windows again...
util: make `mmapread()` work on Windows again 522b4d729e89 started referencing `mmap.MAP_PRIVATE`, but that's not available on Windows, so `hg version` worked, but `make local` did not. That commit also started calling the constructor with the fine-grained `flags` and `prot` args, but those aren't available on Windows either[1] (though the backing C code doesn't seem conditionalized to disallow usage of them). I assume the change away from from the `access` arg was to provide the same options, plus `MAP_POPULATE`. Looking at the source code[2], they're not quite the same- `ACCESS_READ` is equivalent to `flags = MAP_SHARED` and `prot = PROT_READ`. `MAP_PRIVATE` is only used with `ACCESS_COPY`, which allows read and write. Therefore, we can't quite get the same baseline flags on Windows, but this was the status quo ante and `MAP_POPULATE` is a Linux thing, so presumably it works. I realize that typically the OS differences are abstracted into the platform modules, but I'm leaving it here so that it is obvious what the differences are between the platforms. [1] https://docs.python.org/3/library/mmap.html#mmap.mmap [2] https://github.com/python/cpython/blob/5e0abb47886bc665eefdcc19fde985f803e49d4c/Modules/mmapmodule.c#L1539
Raphaël Gomès - - Load All Authors

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hg-ssh.8.txt
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========
hg-ssh
========
----------------------------------------
restricted ssh login shell for Mercurial
----------------------------------------
:Author: Thomas Arendsen Hein <thomas@intevation.de>
:Organization: Mercurial
:Manual section: 8
:Manual group: Mercurial Manual
.. contents::
:backlinks: top
:class: htmlonly
:depth: 1
Synopsis
""""""""
**hg-ssh** repositories...
Description
"""""""""""
**hg-ssh** is a wrapper for ssh access to a limited set of mercurial repos.
To be used in ~/.ssh/authorized_keys with the "command" option, see sshd(8):
command="hg-ssh path/to/repo1 /path/to/repo2 ~/repo3 ~user/repo4" ssh-dss ...
(probably together with these other useful options:
no-port-forwarding,no-X11-forwarding,no-agent-forwarding)
This allows pull/push over ssh from/to the repositories given as arguments.
If all your repositories are subdirectories of a common directory, you can
allow shorter paths with:
command="cd path/to/my/repositories && hg-ssh repo1 subdir/repo2"
You can use pattern matching of your normal shell, e.g.:
command="cd repos && hg-ssh user/thomas/* projects/{mercurial,foo}"
You can also add a --read-only flag to allow read-only access to a key, e.g.:
command="hg-ssh --read-only repos/\*"
Bugs
""""
Probably lots, please post them to the mailing list (see Resources_
below) when you find them.
See Also
""""""""
|hg(1)|_
Author
""""""
Written by Olivia Mackall <olivia@selenic.com>
Resources
"""""""""
Main Web Site: https://mercurial-scm.org/
Source code repository: https://www.mercurial-scm.org/repo/hg
Mailing list: https://www.mercurial-scm.org/mailman/listinfo/mercurial/
Copying
"""""""
Copyright (C) 2005-2016 Olivia Mackall.
Free use of this software is granted under the terms of the GNU General
Public License version 2 or any later version.
.. include:: common.txt