Mercurial > hg
annotate mercurial/ignore.py @ 11322:3d6915f5a2bb
improve --branch processing (and differentiate from # syntax)
Previously #foo and --branch foo were handled identically.
The behavior of #foo hasn't changed, but --branch now works like this:
1) If branchmap is not supported on the remote, the operation fails.
2) If branch is '.', substitute with branch of the working dir parent.
3) If branch exists remotely, its heads are expanded.
4) Otherwise, the operation fails.
Tests have been added for the new cases.
author | Sune Foldager <cryo@cyanite.org> |
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date | Thu, 10 Jun 2010 12:46:09 +0200 |
parents | 25e572394f5c |
children | 58c497d0e44d |
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1 # ignore.py - ignored file handling for mercurial |
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2 # |
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3 # Copyright 2007 Matt Mackall <mpm@selenic.com> |
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4 # |
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5 # This software may be used and distributed according to the terms of the |
10263 | 6 # GNU General Public License version 2 or any later version. |
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7 |
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8 from i18n import _ |
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9 import util, match |
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10 import re |
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11 |
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12 _commentre = None |
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13 |
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14 def ignorepats(lines): |
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15 '''parse lines (iterable) of .hgignore text, returning a tuple of |
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16 (patterns, parse errors). These patterns should be given to compile() |
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17 to be validated and converted into a match function.''' |
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18 syntaxes = {'re': 'relre:', 'regexp': 'relre:', 'glob': 'relglob:'} |
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19 syntax = 'relre:' |
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20 patterns = [] |
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21 warnings = [] |
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22 |
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23 for line in lines: |
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24 if "#" in line: |
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25 global _commentre |
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26 if not _commentre: |
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27 _commentre = re.compile(r'((^|[^\\])(\\\\)*)#.*') |
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28 # remove comments prefixed by an even number of escapes |
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29 line = _commentre.sub(r'\1', line) |
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30 # fixup properly escaped comments that survived the above |
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31 line = line.replace("\\#", "#") |
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32 line = line.rstrip() |
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33 if not line: |
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34 continue |
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35 |
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36 if line.startswith('syntax:'): |
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37 s = line[7:].strip() |
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38 try: |
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39 syntax = syntaxes[s] |
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40 except KeyError: |
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41 warnings.append(_("ignoring invalid syntax '%s'") % s) |
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42 continue |
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43 pat = syntax + line |
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44 for s, rels in syntaxes.iteritems(): |
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45 if line.startswith(rels): |
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46 pat = line |
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47 break |
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48 elif line.startswith(s+':'): |
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49 pat = rels + line[len(s)+1:] |
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50 break |
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51 patterns.append(pat) |
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52 |
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53 return patterns, warnings |
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54 |
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55 def ignore(root, files, warn): |
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56 '''return matcher covering patterns in 'files'. |
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57 |
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58 the files parsed for patterns include: |
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59 .hgignore in the repository root |
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60 any additional files specified in the [ui] section of ~/.hgrc |
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61 |
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62 trailing white space is dropped. |
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63 the escape character is backslash. |
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64 comments start with #. |
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65 empty lines are skipped. |
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66 |
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67 lines can be of the following formats: |
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68 |
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69 syntax: regexp # defaults following lines to non-rooted regexps |
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70 syntax: glob # defaults following lines to non-rooted globs |
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71 re:pattern # non-rooted regular expression |
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72 glob:pattern # non-rooted glob |
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73 pattern # pattern of the current default type''' |
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74 |
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75 pats = {} |
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76 for f in files: |
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77 try: |
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78 pats[f] = [] |
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79 fp = open(f) |
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80 pats[f], warnings = ignorepats(fp) |
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81 for warning in warnings: |
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82 warn("%s: %s\n" % (f, warning)) |
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83 except IOError, inst: |
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84 if f != files[0]: |
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85 warn(_("skipping unreadable ignore file '%s': %s\n") % |
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86 (f, inst.strerror)) |
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87 |
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88 allpats = [] |
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89 [allpats.extend(patlist) for patlist in pats.values()] |
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90 if not allpats: |
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91 return util.never |
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92 |
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93 try: |
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94 ignorefunc = match.match(root, '', [], allpats) |
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95 except util.Abort: |
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96 # Re-raise an exception where the src is the right file |
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97 for f, patlist in pats.iteritems(): |
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98 try: |
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99 match.match(root, '', [], patlist) |
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100 except util.Abort, inst: |
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101 raise util.Abort('%s: %s' % (f, inst[0])) |
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102 |
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103 return ignorefunc |