Mercurial > hg
annotate mercurial/fileset.py @ 16371:4417eb761ba8
tags: defer tag validation until repo.tags() is called
Before, we were validating all tags for any tag operation, which meant
building a (nearly) full node->tag lookup tree for most operations.
author | Matt Mackall <mpm@selenic.com> |
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date | Fri, 06 Apr 2012 15:16:30 -0500 |
parents | 042e84e39dee |
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1 # fileset.py - file set queries for mercurial |
11275 | 2 # |
3 # Copyright 2010 Matt Mackall <mpm@selenic.com> | |
4 # | |
5 # This software may be used and distributed according to the terms of the | |
6 # GNU General Public License version 2 or any later version. | |
7 | |
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8 import parser, error, util, merge, re |
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9 from i18n import _ |
11275 | 10 |
11 elements = { | |
12 "(": (20, ("group", 1, ")"), ("func", 1, ")")), | |
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13 "-": (5, ("negate", 19), ("minus", 5)), |
11275 | 14 "not": (10, ("not", 10)), |
15 "!": (10, ("not", 10)), | |
16 "and": (5, None, ("and", 5)), | |
17 "&": (5, None, ("and", 5)), | |
18 "or": (4, None, ("or", 4)), | |
19 "|": (4, None, ("or", 4)), | |
20 "+": (4, None, ("or", 4)), | |
21 ",": (2, None, ("list", 2)), | |
22 ")": (0, None, None), | |
23 "symbol": (0, ("symbol",), None), | |
24 "string": (0, ("string",), None), | |
25 "end": (0, None, None), | |
26 } | |
27 | |
28 keywords = set(['and', 'or', 'not']) | |
29 | |
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30 globchars = ".*{}[]?/\\" |
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31 |
11275 | 32 def tokenize(program): |
33 pos, l = 0, len(program) | |
34 while pos < l: | |
35 c = program[pos] | |
36 if c.isspace(): # skip inter-token whitespace | |
37 pass | |
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38 elif c in "(),-|&+!": # handle simple operators |
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39 yield (c, None, pos) |
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40 elif (c in '"\'' or c == 'r' and |
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41 program[pos:pos + 2] in ("r'", 'r"')): # handle quoted strings |
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42 if c == 'r': |
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43 pos += 1 |
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44 c = program[pos] |
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45 decode = lambda x: x |
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46 else: |
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47 decode = lambda x: x.decode('string-escape') |
11275 | 48 pos += 1 |
49 s = pos | |
50 while pos < l: # find closing quote | |
51 d = program[pos] | |
52 if d == '\\': # skip over escaped characters | |
53 pos += 2 | |
54 continue | |
55 if d == c: | |
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56 yield ('string', decode(program[s:pos]), s) |
11275 | 57 break |
58 pos += 1 | |
59 else: | |
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60 raise error.ParseError(_("unterminated string"), s) |
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61 elif c.isalnum() or c in globchars or ord(c) > 127: |
14513 | 62 # gather up a symbol/keyword |
11275 | 63 s = pos |
64 pos += 1 | |
65 while pos < l: # find end of symbol | |
66 d = program[pos] | |
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67 if not (d.isalnum() or d in globchars or ord(d) > 127): |
11275 | 68 break |
69 pos += 1 | |
70 sym = program[s:pos] | |
71 if sym in keywords: # operator keywords | |
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72 yield (sym, None, s) |
11275 | 73 else: |
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74 yield ('symbol', sym, s) |
11275 | 75 pos -= 1 |
76 else: | |
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77 raise error.ParseError(_("syntax error"), pos) |
11275 | 78 pos += 1 |
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79 yield ('end', None, pos) |
11275 | 80 |
81 parse = parser.parser(tokenize, elements).parse | |
82 | |
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83 def getstring(x, err): |
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84 if x and (x[0] == 'string' or x[0] == 'symbol'): |
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85 return x[1] |
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86 raise error.ParseError(err) |
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87 |
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88 def getset(mctx, x): |
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89 if not x: |
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90 raise error.ParseError(_("missing argument")) |
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91 return methods[x[0]](mctx, *x[1:]) |
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92 |
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93 def stringset(mctx, x): |
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94 m = mctx.matcher([x]) |
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95 return [f for f in mctx.subset if m(f)] |
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96 |
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97 def andset(mctx, x, y): |
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98 return getset(mctx.narrow(getset(mctx, x)), y) |
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99 |
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100 def orset(mctx, x, y): |
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101 # needs optimizing |
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102 xl = getset(mctx, x) |
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103 yl = getset(mctx, y) |
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104 return xl + [f for f in yl if f not in xl] |
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105 |
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106 def notset(mctx, x): |
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107 s = set(getset(mctx, x)) |
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108 return [r for r in mctx.subset if r not in s] |
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109 |
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110 def listset(mctx, a, b): |
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111 raise error.ParseError(_("can't use a list in this context")) |
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112 |
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113 def modified(mctx, x): |
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114 """``modified()`` |
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115 File that is modified according to status. |
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116 """ |
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117 # i18n: "modified" is a keyword |
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118 getargs(x, 0, 0, _("modified takes no arguments")) |
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119 s = mctx.status()[0] |
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120 return [f for f in mctx.subset if f in s] |
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121 |
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122 def added(mctx, x): |
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123 """``added()`` |
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124 File that is added according to status. |
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125 """ |
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126 # i18n: "added" is a keyword |
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127 getargs(x, 0, 0, _("added takes no arguments")) |
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128 s = mctx.status()[1] |
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129 return [f for f in mctx.subset if f in s] |
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130 |
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131 def removed(mctx, x): |
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132 """``removed()`` |
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133 File that is removed according to status. |
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134 """ |
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135 # i18n: "removed" is a keyword |
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136 getargs(x, 0, 0, _("removed takes no arguments")) |
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137 s = mctx.status()[2] |
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138 return [f for f in mctx.subset if f in s] |
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139 |
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140 def deleted(mctx, x): |
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141 """``deleted()`` |
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142 File that is deleted according to status. |
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143 """ |
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144 # i18n: "deleted" is a keyword |
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145 getargs(x, 0, 0, _("deleted takes no arguments")) |
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146 s = mctx.status()[3] |
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147 return [f for f in mctx.subset if f in s] |
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148 |
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149 def unknown(mctx, x): |
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150 """``unknown()`` |
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151 File that is unknown according to status. These files will only be |
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152 considered if this predicate is used. |
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153 """ |
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154 # i18n: "unknown" is a keyword |
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155 getargs(x, 0, 0, _("unknown takes no arguments")) |
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156 s = mctx.status()[4] |
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157 return [f for f in mctx.subset if f in s] |
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158 |
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159 def ignored(mctx, x): |
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160 """``ignored()`` |
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161 File that is ignored according to status. These files will only be |
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162 considered if this predicate is used. |
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163 """ |
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164 # i18n: "ignored" is a keyword |
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165 getargs(x, 0, 0, _("ignored takes no arguments")) |
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166 s = mctx.status()[5] |
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167 return [f for f in mctx.subset if f in s] |
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168 |
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169 def clean(mctx, x): |
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170 """``clean()`` |
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171 File that is clean according to status. |
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172 """ |
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173 # i18n: "clean" is a keyword |
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174 getargs(x, 0, 0, _("clean takes no arguments")) |
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175 s = mctx.status()[6] |
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176 return [f for f in mctx.subset if f in s] |
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177 |
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178 def func(mctx, a, b): |
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179 if a[0] == 'symbol' and a[1] in symbols: |
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180 return symbols[a[1]](mctx, b) |
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181 raise error.ParseError(_("not a function: %s") % a[1]) |
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182 |
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183 def getlist(x): |
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184 if not x: |
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185 return [] |
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186 if x[0] == 'list': |
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187 return getlist(x[1]) + [x[2]] |
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188 return [x] |
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189 |
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190 def getargs(x, min, max, err): |
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191 l = getlist(x) |
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192 if len(l) < min or len(l) > max: |
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193 raise error.ParseError(err) |
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194 return l |
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195 |
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196 def binary(mctx, x): |
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197 """``binary()`` |
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198 File that appears to be binary (contains NUL bytes). |
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199 """ |
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200 # i18n: "binary" is a keyword |
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201 getargs(x, 0, 0, _("binary takes no arguments")) |
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202 return [f for f in mctx.existing() if util.binary(mctx.ctx[f].data())] |
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203 |
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204 def exec_(mctx, x): |
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205 """``exec()`` |
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206 File that is marked as executable. |
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207 """ |
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208 # i18n: "exec" is a keyword |
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209 getargs(x, 0, 0, _("exec takes no arguments")) |
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210 return [f for f in mctx.existing() if mctx.ctx.flags(f) == 'x'] |
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211 |
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212 def symlink(mctx, x): |
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213 """``symlink()`` |
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214 File that is marked as a symlink. |
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215 """ |
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216 # i18n: "symlink" is a keyword |
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217 getargs(x, 0, 0, _("symlink takes no arguments")) |
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218 return [f for f in mctx.existing() if mctx.ctx.flags(f) == 'l'] |
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219 |
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220 def resolved(mctx, x): |
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221 """``resolved()`` |
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222 File that is marked resolved according to the resolve state. |
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223 """ |
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224 # i18n: "resolved" is a keyword |
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225 getargs(x, 0, 0, _("resolved takes no arguments")) |
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226 if mctx.ctx.rev() is not None: |
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227 return [] |
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228 ms = merge.mergestate(mctx.ctx._repo) |
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229 return [f for f in mctx.subset if f in ms and ms[f] == 'r'] |
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230 |
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231 def unresolved(mctx, x): |
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232 """``unresolved()`` |
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233 File that is marked unresolved according to the resolve state. |
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234 """ |
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235 # i18n: "unresolved" is a keyword |
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236 getargs(x, 0, 0, _("unresolved takes no arguments")) |
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237 if mctx.ctx.rev() is not None: |
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238 return [] |
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239 ms = merge.mergestate(mctx.ctx._repo) |
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240 return [f for f in mctx.subset if f in ms and ms[f] == 'u'] |
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241 |
14680 | 242 def hgignore(mctx, x): |
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243 """``hgignore()`` |
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244 File that matches the active .hgignore pattern. |
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245 """ |
14680 | 246 getargs(x, 0, 0, _("hgignore takes no arguments")) |
247 ignore = mctx.ctx._repo.dirstate._ignore | |
248 return [f for f in mctx.subset if ignore(f)] | |
249 | |
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250 def grep(mctx, x): |
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251 """``grep(regex)`` |
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252 File contains the given regular expression. |
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253 """ |
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254 pat = getstring(x, _("grep requires a pattern")) |
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255 r = re.compile(pat) |
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256 return [f for f in mctx.existing() if r.search(mctx.ctx[f].data())] |
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257 |
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258 _units = dict(k=2**10, K=2**10, kB=2**10, KB=2**10, |
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259 M=2**20, MB=2**20, G=2**30, GB=2**30) |
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260 |
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261 def _sizetoint(s): |
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262 try: |
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263 s = s.strip() |
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264 for k, v in _units.items(): |
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265 if s.endswith(k): |
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266 return int(float(s[:-len(k)]) * v) |
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267 return int(s) |
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268 except ValueError: |
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269 raise error.ParseError(_("couldn't parse size: %s") % s) |
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270 |
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271 def _sizetomax(s): |
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272 try: |
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273 s = s.strip() |
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274 for k, v in _units.items(): |
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275 if s.endswith(k): |
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276 # max(4k) = 5k - 1, max(4.5k) = 4.6k - 1 |
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277 n = s[:-len(k)] |
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278 inc = 1.0 |
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279 if "." in n: |
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280 inc /= 10 ** len(n.split(".")[1]) |
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281 return int((float(n) + inc) * v) - 1 |
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282 # no extension, this is a precise value |
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283 return int(s) |
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284 except ValueError: |
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285 raise error.ParseError(_("couldn't parse size: %s") % s) |
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286 |
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287 def size(mctx, x): |
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288 """``size(expression)`` |
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289 File size matches the given expression. Examples: |
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290 |
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291 - 1k (files from 1024 to 2047 bytes) |
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292 - < 20k (files less than 20480 bytes) |
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293 - >= .5MB (files at least 524288 bytes) |
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294 - 4k - 1MB (files from 4096 bytes to 1048576 bytes) |
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295 """ |
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296 |
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|
297 # i18n: "size" is a keyword |
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diff
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|
298 expr = getstring(x, _("size requires an expression")).strip() |
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299 if '-' in expr: # do we have a range? |
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|
300 a, b = expr.split('-', 1) |
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|
301 a = _sizetoint(a) |
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|
302 b = _sizetoint(b) |
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|
303 m = lambda x: x >= a and x <= b |
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|
304 elif expr.startswith("<="): |
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|
305 a = _sizetoint(expr[2:]) |
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|
306 m = lambda x: x <= a |
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|
307 elif expr.startswith("<"): |
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|
308 a = _sizetoint(expr[1:]) |
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|
309 m = lambda x: x < a |
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|
310 elif expr.startswith(">="): |
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|
311 a = _sizetoint(expr[2:]) |
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|
312 m = lambda x: x >= a |
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|
313 elif expr.startswith(">"): |
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|
314 a = _sizetoint(expr[1:]) |
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|
315 m = lambda x: x > a |
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|
316 elif expr[0].isdigit or expr[0] == '.': |
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|
317 a = _sizetoint(expr) |
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diff
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|
318 b = _sizetomax(expr) |
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15faf0e66909
fileset: add missing whitespace around operator
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diff
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|
319 m = lambda x: x >= a and x <= b |
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|
320 else: |
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diff
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|
321 raise error.ParseError(_("couldn't parse size: %s") % expr) |
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|
322 |
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|
323 return [f for f in mctx.existing() if m(mctx.ctx[f].size())] |
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|
324 |
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|
325 def encoding(mctx, x): |
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|
326 """``encoding(name)`` |
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|
327 File can be successfully decoded with the given character |
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|
328 encoding. May not be useful for encodings other than ASCII and |
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|
329 UTF-8. |
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|
330 """ |
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|
331 |
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|
332 # i18n: "encoding" is a keyword |
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|
333 enc = getstring(x, _("encoding requires an encoding name")) |
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|
334 |
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|
335 s = [] |
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|
336 for f in mctx.existing(): |
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337 d = mctx.ctx[f].data() |
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|
338 try: |
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|
339 d.decode(enc) |
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|
340 except LookupError: |
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diff
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|
341 raise util.Abort(_("unknown encoding '%s'") % enc) |
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|
342 except UnicodeDecodeError: |
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|
343 continue |
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|
344 s.append(f) |
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|
345 |
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|
346 return s |
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|
347 |
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|
348 def copied(mctx, x): |
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|
349 """``copied()`` |
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|
350 File that is recorded as being copied. |
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|
351 """ |
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|
352 # i18n: "copied" is a keyword |
14718
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fileset: copied takes no arguments
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diff
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|
353 getargs(x, 0, 0, _("copied takes no arguments")) |
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|
354 s = [] |
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|
355 for f in mctx.subset: |
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|
356 p = mctx.ctx[f].parents() |
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|
357 if p and p[0].path() != f: |
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|
358 s.append(f) |
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diff
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|
359 return s |
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|
360 |
14676
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diff
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|
361 symbols = { |
14677
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|
362 'added': added, |
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|
363 'binary': binary, |
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|
364 'clean': clean, |
14685
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diff
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|
365 'copied': copied, |
14677
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|
366 'deleted': deleted, |
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|
367 'encoding': encoding, |
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diff
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|
368 'exec': exec_, |
14682
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diff
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|
369 'grep': grep, |
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|
370 'ignored': ignored, |
14680 | 371 'hgignore': hgignore, |
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|
372 'modified': modified, |
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diff
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|
373 'removed': removed, |
14679
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|
374 'resolved': resolved, |
14683
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|
375 'size': size, |
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|
376 'symlink': symlink, |
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|
377 'unknown': unknown, |
14679
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|
378 'unresolved': unresolved, |
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|
379 } |
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|
380 |
14551
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|
381 methods = { |
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|
382 'string': stringset, |
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diff
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|
383 'symbol': stringset, |
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|
384 'and': andset, |
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diff
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|
385 'or': orset, |
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diff
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|
386 'list': listset, |
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|
387 'group': getset, |
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|
388 'not': notset, |
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|
389 'func': func, |
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|
390 } |
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|
391 |
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|
392 class matchctx(object): |
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|
393 def __init__(self, ctx, subset=None, status=None): |
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|
394 self.ctx = ctx |
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|
395 self.subset = subset |
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|
396 self._status = status |
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|
397 def status(self): |
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|
398 return self._status |
14673 | 399 def matcher(self, patterns): |
400 return self.ctx.match(patterns) | |
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|
401 def filter(self, files): |
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|
402 return [f for f in files if f in self.subset] |
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|
403 def existing(self): |
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|
404 return (f for f in self.subset if f in self.ctx) |
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|
405 def narrow(self, files): |
14677
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|
406 return matchctx(self.ctx, self.filter(files), self._status) |
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|
407 |
14678
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|
408 def _intree(funcs, tree): |
5ef7b87530f6
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|
409 if isinstance(tree, tuple): |
5ef7b87530f6
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diff
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|
410 if tree[0] == 'func' and tree[1][0] == 'symbol': |
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|
411 if tree[1][1] in funcs: |
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diff
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|
412 return True |
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|
413 for s in tree[1:]: |
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|
414 if _intree(funcs, s): |
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|
415 return True |
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diff
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|
416 return False |
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diff
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|
417 |
14673 | 418 def getfileset(ctx, expr): |
14551
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diff
changeset
|
419 tree, pos = parse(expr) |
68d814a3cefd
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diff
changeset
|
420 if (pos != len(expr)): |
14701
4b93bd041772
parsers: fix localization markup of parser errors
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parents:
14700
diff
changeset
|
421 raise error.ParseError(_("invalid token"), pos) |
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|
422 |
5ef7b87530f6
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changeset
|
423 # do we need status info? |
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|
424 if _intree(['modified', 'added', 'removed', 'deleted', |
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425 'unknown', 'ignored', 'clean'], tree): |
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426 unknown = _intree(['unknown'], tree) |
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427 ignored = _intree(['ignored'], tree) |
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428 |
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429 r = ctx._repo |
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430 status = r.status(ctx.p1(), ctx, |
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431 unknown=unknown, ignored=ignored, clean=True) |
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432 subset = [] |
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433 for c in status: |
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434 subset.extend(c) |
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435 else: |
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436 status = None |
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437 subset = ctx.walk(ctx.match([])) |
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438 |
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439 return getset(matchctx(ctx, subset, status), tree) |
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440 |
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441 # tell hggettext to extract docstrings from these functions: |
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442 i18nfunctions = symbols.values() |