Mercurial > hg
annotate mercurial/rcutil.py @ 35935:00b9e26d727b
sshpeer: establish SSH connection before class instantiation
We want to move the handshake to before peers are created so
we can instantiate a different peer class depending on the
results of the handshake. This necessitates moving the SSH
process invocation to outside the peer class.
As part of the code move, some variables were renamed for
clarity. util.popen4() returns stdin, stdout, and stderr in
their typical file descriptor order. However, stdin and stdout
were being mapped to "pipeo" and "pipei" respectively. "o"
for "stdin" and "i" for "stdout" is a bit confusing. Although
it does make sense for "output" and "input" from the perspective
of the client. But in the context of the new function, it makes
sense to refer to these as their file descriptor names.
In addition, the last use of self._path disappeared, so we stop
setting that attribute and we can delete the redundant URL
parsing necessary to set it.
Differential Revision: https://phab.mercurial-scm.org/D2031
author | Gregory Szorc <gregory.szorc@gmail.com> |
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date | Mon, 05 Feb 2018 14:05:59 -0800 |
parents | 75979c8d4572 |
children | edbcf5b239f9 |
rev | line source |
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1 # rcutil.py - utilities about config paths, special config sections etc. |
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2 # |
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3 # Copyright Mercurial Contributors |
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4 # |
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5 # This software may be used and distributed according to the terms of the |
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6 # GNU General Public License version 2 or any later version. |
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7 |
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8 from __future__ import absolute_import |
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9 |
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10 import os |
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11 |
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12 from . import ( |
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13 encoding, |
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14 pycompat, |
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15 util, |
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16 ) |
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17 |
34645 | 18 if pycompat.iswindows: |
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19 from . import scmwindows as scmplatform |
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20 else: |
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21 from . import scmposix as scmplatform |
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22 |
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23 fallbackpager = scmplatform.fallbackpager |
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24 systemrcpath = scmplatform.systemrcpath |
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25 userrcpath = scmplatform.userrcpath |
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26 |
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27 def _expandrcpath(path): |
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28 '''path could be a file or a directory. return a list of file paths''' |
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29 p = util.expandpath(path) |
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30 if os.path.isdir(p): |
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31 join = os.path.join |
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32 return [join(p, f) for f, k in util.listdir(p) if f.endswith('.rc')] |
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33 return [p] |
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34 |
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35 def envrcitems(env=None): |
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36 '''Return [(section, name, value, source)] config items. |
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37 |
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38 The config items are extracted from environment variables specified by env, |
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39 used to override systemrc, but not userrc. |
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40 |
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41 If env is not provided, encoding.environ will be used. |
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42 ''' |
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43 if env is None: |
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44 env = encoding.environ |
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45 checklist = [ |
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46 ('EDITOR', 'ui', 'editor'), |
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47 ('VISUAL', 'ui', 'editor'), |
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48 ('PAGER', 'pager', 'pager'), |
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49 ] |
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50 result = [] |
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51 for envname, section, configname in checklist: |
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52 if envname not in env: |
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53 continue |
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54 result.append((section, configname, env[envname], '$%s' % envname)) |
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55 return result |
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56 |
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57 def defaultrcpath(): |
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58 '''return rc paths in default.d''' |
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59 path = [] |
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60 defaultpath = os.path.join(util.datapath, 'default.d') |
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61 if os.path.isdir(defaultpath): |
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62 path = _expandrcpath(defaultpath) |
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63 return path |
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64 |
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65 def rccomponents(): |
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66 '''return an ordered [(type, obj)] about where to load configs. |
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67 |
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68 respect $HGRCPATH. if $HGRCPATH is empty, only .hg/hgrc of current repo is |
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69 used. if $HGRCPATH is not set, the platform default will be used. |
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70 |
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71 if a directory is provided, *.rc files under it will be used. |
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72 |
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73 type could be either 'path' or 'items', if type is 'path', obj is a string, |
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74 and is the config file path. if type is 'items', obj is a list of (section, |
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75 name, value, source) that should fill the config directly. |
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76 ''' |
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77 envrc = ('items', envrcitems()) |
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78 |
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80 # assume HGRCPATH is all about user configs so environments can be | |
81 # overridden. | |
82 _rccomponents = [envrc] | |
83 for p in encoding.environ['HGRCPATH'].split(pycompat.ospathsep): | |
84 if not p: | |
85 continue | |
86 _rccomponents.extend(('path', p) for p in _expandrcpath(p)) | |
87 else: | |
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88 normpaths = lambda paths: [('path', os.path.normpath(p)) for p in paths] |
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89 _rccomponents = normpaths(defaultrcpath() + systemrcpath()) |
31693 | 90 _rccomponents.append(envrc) |
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91 _rccomponents.extend(normpaths(userrcpath())) |
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92 return _rccomponents |
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93 |
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94 def defaultpagerenv(): |
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95 '''return a dict of default environment variables and their values, |
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96 intended to be set before starting a pager. |
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97 ''' |
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98 return {'LESS': 'FRX', 'LV': '-c'} |