Mercurial > hg
annotate mercurial/diffutil.py @ 38618:c829749e7639
shelve: directly handle the initial parent alignment
Shelve is currently sub-contracting some of its work to the rebase extension.
In order to make shelve more independent and flexible we would like shelve to
handle the parent alignment directly.
After this change, we no longer need to use rebase in shelve.
Differential Revision: https://phab.mercurial-scm.org/D3693
author | Boris Feld <boris.feld@octobus.net> |
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date | Tue, 29 May 2018 00:30:50 +0200 |
parents | be441eb65f09 |
children | 78b270a55dc6 |
rev | line source |
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1 # diffutil.py - utility functions related to diff and patch |
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2 # |
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3 # Copyright 2006 Brendan Cully <brendan@kublai.com> |
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4 # Copyright 2007 Chris Mason <chris.mason@oracle.com> |
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5 # Copyright 2018 Octobus <octobus@octobus.net> |
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6 # |
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7 # This software may be used and distributed according to the terms of the |
10263 | 8 # GNU General Public License version 2 or any later version. |
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9 |
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10 from __future__ import absolute_import |
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11 |
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12 from .i18n import _ |
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13 |
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14 from . import ( |
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15 mdiff, |
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16 pycompat, |
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17 ) |
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18 |
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19 def diffallopts(ui, opts=None, untrusted=False, section='diff'): |
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20 '''return diffopts with all features supported and parsed''' |
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21 return difffeatureopts(ui, opts=opts, untrusted=untrusted, section=section, |
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22 git=True, whitespace=True, formatchanging=True) |
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23 |
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24 def difffeatureopts(ui, opts=None, untrusted=False, section='diff', git=False, |
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25 whitespace=False, formatchanging=False): |
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26 '''return diffopts with only opted-in features parsed |
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27 |
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28 Features: |
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29 - git: git-style diffs |
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30 - whitespace: whitespace options like ignoreblanklines and ignorews |
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31 - formatchanging: options that will likely break or cause correctness issues |
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32 with most diff parsers |
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33 ''' |
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34 def get(key, name=None, getter=ui.configbool, forceplain=None): |
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35 if opts: |
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36 v = opts.get(key) |
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37 # diffopts flags are either None-default (which is passed |
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38 # through unchanged, so we can identify unset values), or |
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39 # some other falsey default (eg --unified, which defaults |
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40 # to an empty string). We only want to override the config |
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41 # entries from hgrc with command line values if they |
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42 # appear to have been set, which is any truthy value, |
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43 # True, or False. |
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44 if v or isinstance(v, bool): |
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45 return v |
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46 if forceplain is not None and ui.plain(): |
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47 return forceplain |
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48 return getter(section, name or key, untrusted=untrusted) |
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49 |
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50 # core options, expected to be understood by every diff parser |
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51 buildopts = { |
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52 'nodates': get('nodates'), |
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53 'showfunc': get('show_function', 'showfunc'), |
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54 'context': get('unified', getter=ui.config), |
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55 } |
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56 buildopts['xdiff'] = ui.configbool('experimental', 'xdiff') |
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57 |
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58 if git: |
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59 buildopts['git'] = get('git') |
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60 |
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61 # since this is in the experimental section, we need to call |
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62 # ui.configbool directory |
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63 buildopts['showsimilarity'] = ui.configbool('experimental', |
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64 'extendedheader.similarity') |
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65 |
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66 # need to inspect the ui object instead of using get() since we want to |
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67 # test for an int |
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68 hconf = ui.config('experimental', 'extendedheader.index') |
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69 if hconf is not None: |
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70 hlen = None |
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71 try: |
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72 # the hash config could be an integer (for length of hash) or a |
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73 # word (e.g. short, full, none) |
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74 hlen = int(hconf) |
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75 if hlen < 0 or hlen > 40: |
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76 msg = _("invalid length for extendedheader.index: '%d'\n") |
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77 ui.warn(msg % hlen) |
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78 except ValueError: |
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79 # default value |
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80 if hconf == 'short' or hconf == '': |
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81 hlen = 12 |
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82 elif hconf == 'full': |
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83 hlen = 40 |
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84 elif hconf != 'none': |
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85 msg = _("invalid value for extendedheader.index: '%s'\n") |
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86 ui.warn(msg % hconf) |
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87 finally: |
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88 buildopts['index'] = hlen |
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89 |
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90 if whitespace: |
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91 buildopts['ignorews'] = get('ignore_all_space', 'ignorews') |
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92 buildopts['ignorewsamount'] = get('ignore_space_change', |
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93 'ignorewsamount') |
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94 buildopts['ignoreblanklines'] = get('ignore_blank_lines', |
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95 'ignoreblanklines') |
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96 buildopts['ignorewseol'] = get('ignore_space_at_eol', 'ignorewseol') |
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97 if formatchanging: |
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98 buildopts['text'] = opts and opts.get('text') |
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99 binary = None if opts is None else opts.get('binary') |
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100 buildopts['nobinary'] = (not binary if binary is not None |
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101 else get('nobinary', forceplain=False)) |
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102 buildopts['noprefix'] = get('noprefix', forceplain=False) |
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103 buildopts['worddiff'] = get('word_diff', 'word-diff', forceplain=False) |
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104 |
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105 return mdiff.diffopts(**pycompat.strkwargs(buildopts)) |