Mercurial > hg
annotate mercurial/minifileset.py @ 36309:94a1ff16f362
debuginstall: do not parse editor command in posix way on Windows
An editor command is executed by a system shell, which is cmd.exe on Windows.
author | Yuya Nishihara <yuya@tcha.org> |
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date | Sat, 17 Feb 2018 13:13:04 +0900 |
parents | d5288b966e2f |
children | 9c98cb30f4de |
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1 # minifileset.py - a simple language to select files |
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2 # |
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3 # Copyright 2017 Facebook, Inc. |
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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 from .i18n import _ |
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11 from . import ( |
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12 error, |
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13 fileset, |
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14 ) |
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15 |
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16 def _compile(tree): |
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17 if not tree: |
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18 raise error.ParseError(_("missing argument")) |
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19 op = tree[0] |
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20 if op in {'symbol', 'string', 'kindpat'}: |
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21 name = fileset.getpattern(tree, {'path'}, _('invalid file pattern')) |
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22 if name.startswith('**'): # file extension test, ex. "**.tar.gz" |
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23 ext = name[2:] |
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24 for c in ext: |
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25 if c in '*{}[]?/\\': |
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26 raise error.ParseError(_('reserved character: %s') % c) |
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27 return lambda n, s: n.endswith(ext) |
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28 elif name.startswith('path:'): # directory or full path test |
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29 p = name[5:] # prefix |
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30 pl = len(p) |
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31 f = lambda n, s: n.startswith(p) and (len(n) == pl or n[pl] == '/') |
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32 return f |
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33 raise error.ParseError(_("unsupported file pattern: %s") % name, |
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34 hint=_('paths must be prefixed with "path:"')) |
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35 elif op == 'or': |
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36 func1 = _compile(tree[1]) |
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37 func2 = _compile(tree[2]) |
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38 return lambda n, s: func1(n, s) or func2(n, s) |
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39 elif op == 'and': |
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40 func1 = _compile(tree[1]) |
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41 func2 = _compile(tree[2]) |
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42 return lambda n, s: func1(n, s) and func2(n, s) |
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43 elif op == 'not': |
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44 return lambda n, s: not _compile(tree[1])(n, s) |
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45 elif op == 'group': |
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46 return _compile(tree[1]) |
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47 elif op == 'func': |
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48 symbols = { |
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49 'all': lambda n, s: True, |
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50 'none': lambda n, s: False, |
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51 'size': lambda n, s: fileset.sizematcher(tree[2])(s), |
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52 } |
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53 |
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54 name = fileset.getsymbol(tree[1]) |
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55 if name in symbols: |
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56 return symbols[name] |
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57 |
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58 raise error.UnknownIdentifier(name, symbols.keys()) |
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59 elif op == 'minus': # equivalent to 'x and not y' |
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60 func1 = _compile(tree[1]) |
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61 func2 = _compile(tree[2]) |
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62 return lambda n, s: func1(n, s) and not func2(n, s) |
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63 elif op == 'negate': |
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64 raise error.ParseError(_("can't use negate operator in this context")) |
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65 elif op == 'list': |
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66 raise error.ParseError(_("can't use a list in this context"), |
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67 hint=_('see hg help "filesets.x or y"')) |
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68 raise error.ProgrammingError('illegal tree: %r' % (tree,)) |
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69 |
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70 def compile(text): |
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71 """generate a function (path, size) -> bool from filter specification. |
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72 |
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73 "text" could contain the operators defined by the fileset language for |
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74 common logic operations, and parenthesis for grouping. The supported path |
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75 tests are '**.extname' for file extension test, and '"path:dir/subdir"' |
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76 for prefix test. The ``size()`` predicate is borrowed from filesets to test |
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77 file size. The predicates ``all()`` and ``none()`` are also supported. |
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78 |
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79 '(**.php & size(">10MB")) | **.zip | (path:bin & !path:bin/README)' for |
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80 example, will catch all php files whose size is greater than 10 MB, all |
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81 files whose name ends with ".zip", and all files under "bin" in the repo |
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82 root except for "bin/README". |
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83 """ |
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84 tree = fileset.parse(text) |
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85 return _compile(tree) |