view contrib/hg-ssh @ 16851:c739227b5eea

test-revset: enable for Windows

In MSYS, the test fails like this if the hghave exit at the beginning is
removed:

  --- C:\Users\adi\hgrepos\hg-main\tests\test-revset.t
  +++ C:\Users\adi\hgrepos\hg-main\tests\test-revset.t.err
  @@ -58,7 +58,7 @@
     $ hg co 3
     2 files updated, 0 files merged, 0 files removed, 0 files unresolved
     $ hg branch /a/b/c/
  -  marked working directory as branch /a/b/c/
  +  marked working directory as branch a:/b/c/
     (branches are permanent and global, did you want a bookmark?)
     $ hg ci -Aqm"5 bug"

  @@ -252,7 +252,7 @@
     2 a-b-c-
     3 +a+b+c+
     4 -a-b-c-
  -  5 /a/b/c/
  +  5 a:/b/c/
     6 _a_b_c_
     7 .a.b.c.
     $ log 'children(ancestor(4,5))'

due to the posix path conversion done by MSYS globally, as explained here

  http://www.mingw.org/wiki/Posix_path_conversion

The solution is a bit lame, but it is simple and works: don't use strings that
look like '/a/b', in order not to trigger the path magic done by MSYS.

So, if we can agree not to insist on testing branch names starting with '/',
then this relatively simple patch makes the test pass both on Windows with MSYS
and Linux.

#!/usr/bin/env python
#
# Copyright 2005-2007 by Intevation GmbH <[e-mail]>
#
# Author(s):
# Thomas Arendsen Hein <[e-mail]>
#
# This software may be used and distributed according to the terms of the
# GNU General Public License version 2 or any later version.

"""
hg-ssh - 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/*"
"""

# enable importing on demand to reduce startup time
from mercurial import demandimport; demandimport.enable()

from mercurial import dispatch

import sys, os, shlex

def main():
    cwd = os.getcwd()
    readonly = False
    args = sys.argv[1:]
    while len(args):
        if args[0] == '--read-only':
            readonly = True
            args.pop(0)
        else:
            break
    allowed_paths = [os.path.normpath(os.path.join(cwd,
                                                   os.path.expanduser(path)))
                     for path in args]
    orig_cmd = os.getenv('SSH_ORIGINAL_COMMAND', '?')
    try:
        cmdargv = shlex.split(orig_cmd)
    except ValueError, e:
        sys.stderr.write('Illegal command "%s": %s\n' % (orig_cmd, e))
        sys.exit(255)

    if cmdargv[:2] == ['hg', '-R'] and cmdargv[3:] == ['serve', '--stdio']:
        path = cmdargv[2]
        repo = os.path.normpath(os.path.join(cwd, os.path.expanduser(path)))
        if repo in allowed_paths:
            cmd = ['-R', repo, 'serve', '--stdio']
            if readonly:
                cmd += [
                    '--config',
                    'hooks.prechangegroup.hg-ssh=python:__main__.rejectpush',
                    '--config',
                    'hooks.prepushkey.hg-ssh=python:__main__.rejectpush'
                    ]
            dispatch.dispatch(dispatch.request(cmd))
        else:
            sys.stderr.write('Illegal repository "%s"\n' % repo)
            sys.exit(255)
    else:
        sys.stderr.write('Illegal command "%s"\n' % orig_cmd)
        sys.exit(255)

def rejectpush(ui, **kwargs):
    ui.warn("Permission denied\n")
    # mercurial hooks use unix process conventions for hook return values
    # so a truthy return means failure
    return True

if __name__ == '__main__':
    main()