Mercurial > hg
annotate mercurial/rcutil.py @ 31987:8823daaf4665
obsolescence: add test for the "branch replacement" logic during push, case D2
Mercurial checks for the introduction of new heads on push. Evolution comes
into play to detect if existing branches on the server are being replaced by
some of the new one we push.
The current code for this logic is very basic (eg: issue4354) and was poorly
tested. We have a better implementation coming in the evolve extension fixing
these issues and with more serious tests coverage. In the process of upstreaming
this improved logic, we start with adding the test case that are already passing
with the current implementation. Once they are all in, we'll upstream the better
implementation and the extra test cases.
See inline documentation for details about the test case added in this
changeset.
author | Pierre-Yves David <pierre-yves.david@ens-lyon.org> |
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date | Thu, 13 Apr 2017 16:27:42 +0200 |
parents | e518192d6bac |
children | bf5e13e38390 |
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 osutil, |
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15 pycompat, |
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16 util, |
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17 ) |
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18 |
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19 if pycompat.osname == 'nt': |
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20 from . import scmwindows as scmplatform |
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21 else: |
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22 from . import scmposix as scmplatform |
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23 |
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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 osutil.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 |
31693 | 79 if 'HGRCPATH' in encoding.environ: |
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()) |
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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'} |