Mercurial > hg
annotate contrib/hg-ssh @ 40073:e92454e69dc3
narrow: introduce a config option to check if narrow is enabled or not
This patch introduces a new config option experimental.narrow which is set to
False by default and set to True by the narrow extension.
While moving narrow related logic into core, we need to know at places whether
narrow extension is enabled or not. Checking the list of extension enabled is
one solution but once narrow is inbuilt, we will definitely want a config option
to check whether narrow is turned on or not.
So this patch introduces a config option, which will evolve to the main point to
turn narrow capability on and off once all the narrow is in core.
Differential Revision: https://phab.mercurial-scm.org/D4889
author | Pulkit Goyal <pulkit@yandex-team.ru> |
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date | Fri, 05 Oct 2018 22:19:19 +0300 |
parents | 666d90ace0bb |
children | 99e231afc29c |
rev | line source |
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1 #!/usr/bin/env python |
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2 # |
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3 # Copyright 2005-2007 by Intevation GmbH <intevation@intevation.de> |
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4 # |
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5 # Author(s): |
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6 # Thomas Arendsen Hein <thomas@intevation.de> |
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7 # |
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8 # This software may be used and distributed according to the terms of the |
10263 | 9 # GNU General Public License version 2 or any later version. |
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10 |
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11 """ |
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12 hg-ssh - a wrapper for ssh access to a limited set of mercurial repos |
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13 |
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14 To be used in ~/.ssh/authorized_keys with the "command" option, see sshd(8): |
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15 command="hg-ssh path/to/repo1 /path/to/repo2 ~/repo3 ~user/repo4" ssh-dss ... |
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16 (probably together with these other useful options: |
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17 no-port-forwarding,no-X11-forwarding,no-agent-forwarding) |
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18 |
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19 This allows pull/push over ssh from/to the repositories given as arguments. |
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20 |
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21 If all your repositories are subdirectories of a common directory, you can |
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22 allow shorter paths with: |
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23 command="cd path/to/my/repositories && hg-ssh repo1 subdir/repo2" |
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24 |
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25 You can use pattern matching of your normal shell, e.g.: |
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26 command="cd repos && hg-ssh user/thomas/* projects/{mercurial,foo}" |
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27 |
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28 You can also add a --read-only flag to allow read-only access to a key, e.g.: |
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29 command="hg-ssh --read-only repos/*" |
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30 """ |
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31 from __future__ import absolute_import |
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32 |
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33 import os |
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34 import shlex |
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35 import sys |
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36 |
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37 # enable importing on demand to reduce startup time |
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38 import hgdemandimport ; hgdemandimport.enable() |
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39 |
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40 from mercurial import ( |
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41 dispatch, |
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42 pycompat, |
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43 ui as uimod, |
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44 ) |
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45 |
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46 def main(): |
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47 # Prevent insertion/deletion of CRs |
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48 dispatch.initstdio() |
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49 |
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50 cwd = os.getcwd() |
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51 readonly = False |
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52 args = sys.argv[1:] |
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53 while len(args): |
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54 if args[0] == '--read-only': |
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55 readonly = True |
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56 args.pop(0) |
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57 else: |
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58 break |
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59 allowed_paths = [os.path.normpath(os.path.join(cwd, |
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60 os.path.expanduser(path))) |
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61 for path in args] |
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62 orig_cmd = os.getenv('SSH_ORIGINAL_COMMAND', '?') |
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63 try: |
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64 cmdargv = shlex.split(orig_cmd) |
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65 except ValueError as e: |
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66 sys.stderr.write('Illegal command "%s": %s\n' % (orig_cmd, e)) |
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67 sys.exit(255) |
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68 |
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69 if cmdargv[:2] == ['hg', '-R'] and cmdargv[3:] == ['serve', '--stdio']: |
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70 path = cmdargv[2] |
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71 repo = os.path.normpath(os.path.join(cwd, os.path.expanduser(path))) |
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72 if repo in allowed_paths: |
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73 cmd = [b'-R', pycompat.fsencode(repo), b'serve', b'--stdio'] |
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74 req = dispatch.request(cmd) |
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75 if readonly: |
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76 if not req.ui: |
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77 req.ui = uimod.ui.load() |
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78 req.ui.setconfig(b'hooks', b'pretxnopen.hg-ssh', |
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79 b'python:__main__.rejectpush', b'hg-ssh') |
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80 req.ui.setconfig(b'hooks', b'prepushkey.hg-ssh', |
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81 b'python:__main__.rejectpush', b'hg-ssh') |
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82 dispatch.dispatch(req) |
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83 else: |
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84 sys.stderr.write('Illegal repository "%s"\n' % repo) |
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85 sys.exit(255) |
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86 else: |
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87 sys.stderr.write('Illegal command "%s"\n' % orig_cmd) |
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88 sys.exit(255) |
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89 |
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90 def rejectpush(ui, **kwargs): |
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91 ui.warn((b"Permission denied\n")) |
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92 # mercurial hooks use unix process conventions for hook return values |
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93 # so a truthy return means failure |
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94 return True |
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95 |
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96 if __name__ == '__main__': |
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97 main() |