Mercurial > hg
annotate mercurial/rcutil.py @ 35237:8df8ce2cc5dd
remotenames: add functionality to store remotenames under .hg/hgremotenames/
This patch moves the functionality from remotenames extension to store
remotenames to core.
Storage format used by remotenames extension:
A single file `.hg/remotenames` with an entry in each line where each line is of
format:
`node nametype remotepath/name`
where nametype is either 'bookmarks' or 'branches'.
This was not the best way to store data, so while moving to core the storage
format was changed but yet not the final format. The storage format used by core
after this patch will be:
* A file for each type of name i.e. bookmarks and branches in .hg/remotenames/
directory
* A version number on the top of the file. The version for current format is 0.
* An entry in each line where each line is of the format
`node\0remotepath\0name`
The logic to sync with existing remotenames file and saving journals and other
related things will be moved to core in next patches incrementally.
Thanks to Ryan, Augie and Durham for suggestions on storage format.
Previously reviewed as D939.
Differential Revision: https://phab.mercurial-scm.org/D1548
author | Pulkit Goyal <7895pulkit@gmail.com> |
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date | Thu, 05 Oct 2017 00:44:38 +0530 |
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()) |
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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'} |