Mercurial > hg
annotate mercurial/fileset.py @ 19785:1d2ca307bf22
merge with stable
author | Matt Mackall <mpm@selenic.com> |
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date | Mon, 23 Sep 2013 13:26:11 -0700 |
parents | 19ac0d8ee9a2 |
children | 1e5b38a919dd 61a47fd64f30 |
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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 minusset(mctx, x, y): |
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111 xl = getset(mctx, x) |
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112 yl = set(getset(mctx, y)) |
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113 return [f for f in xl if f not in yl] |
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114 |
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115 def listset(mctx, a, b): |
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116 raise error.ParseError(_("can't use a list in this context")) |
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117 |
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118 def modified(mctx, x): |
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119 """``modified()`` |
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120 File that is modified according to status. |
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121 """ |
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122 # i18n: "modified" is a keyword |
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123 getargs(x, 0, 0, _("modified takes no arguments")) |
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124 s = mctx.status()[0] |
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125 return [f for f in mctx.subset if f in s] |
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126 |
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127 def added(mctx, x): |
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128 """``added()`` |
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129 File that is added according to status. |
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130 """ |
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131 # i18n: "added" is a keyword |
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132 getargs(x, 0, 0, _("added takes no arguments")) |
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133 s = mctx.status()[1] |
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134 return [f for f in mctx.subset if f in s] |
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135 |
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136 def removed(mctx, x): |
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137 """``removed()`` |
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138 File that is removed according to status. |
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139 """ |
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140 # i18n: "removed" is a keyword |
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141 getargs(x, 0, 0, _("removed takes no arguments")) |
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142 s = mctx.status()[2] |
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143 return [f for f in mctx.subset if f in s] |
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144 |
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145 def deleted(mctx, x): |
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146 """``deleted()`` |
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147 File that is deleted according to status. |
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148 """ |
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149 # i18n: "deleted" is a keyword |
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150 getargs(x, 0, 0, _("deleted takes no arguments")) |
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151 s = mctx.status()[3] |
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152 return [f for f in mctx.subset if f in s] |
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153 |
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154 def unknown(mctx, x): |
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155 """``unknown()`` |
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156 File that is unknown according to status. These files will only be |
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157 considered if this predicate is used. |
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158 """ |
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159 # i18n: "unknown" is a keyword |
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160 getargs(x, 0, 0, _("unknown takes no arguments")) |
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161 s = mctx.status()[4] |
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162 return [f for f in mctx.subset if f in s] |
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163 |
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164 def ignored(mctx, x): |
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165 """``ignored()`` |
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166 File that is ignored according to status. These files will only be |
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167 considered if this predicate is used. |
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168 """ |
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169 # i18n: "ignored" is a keyword |
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170 getargs(x, 0, 0, _("ignored takes no arguments")) |
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171 s = mctx.status()[5] |
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172 return [f for f in mctx.subset if f in s] |
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173 |
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174 def clean(mctx, x): |
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175 """``clean()`` |
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176 File that is clean according to status. |
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177 """ |
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178 # i18n: "clean" is a keyword |
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179 getargs(x, 0, 0, _("clean takes no arguments")) |
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180 s = mctx.status()[6] |
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181 return [f for f in mctx.subset if f in s] |
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182 |
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183 def func(mctx, a, b): |
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184 if a[0] == 'symbol' and a[1] in symbols: |
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185 return symbols[a[1]](mctx, b) |
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186 raise error.ParseError(_("not a function: %s") % a[1]) |
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187 |
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188 def getlist(x): |
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189 if not x: |
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190 return [] |
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191 if x[0] == 'list': |
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192 return getlist(x[1]) + [x[2]] |
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193 return [x] |
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194 |
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195 def getargs(x, min, max, err): |
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196 l = getlist(x) |
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197 if len(l) < min or len(l) > max: |
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198 raise error.ParseError(err) |
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199 return l |
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200 |
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201 def binary(mctx, x): |
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202 """``binary()`` |
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203 File that appears to be binary (contains NUL bytes). |
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204 """ |
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205 # i18n: "binary" is a keyword |
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206 getargs(x, 0, 0, _("binary takes no arguments")) |
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207 return [f for f in mctx.existing() if util.binary(mctx.ctx[f].data())] |
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208 |
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209 def exec_(mctx, x): |
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210 """``exec()`` |
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211 File that is marked as executable. |
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212 """ |
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213 # i18n: "exec" is a keyword |
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214 getargs(x, 0, 0, _("exec takes no arguments")) |
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215 return [f for f in mctx.existing() if mctx.ctx.flags(f) == 'x'] |
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216 |
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217 def symlink(mctx, x): |
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218 """``symlink()`` |
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219 File that is marked as a symlink. |
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220 """ |
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221 # i18n: "symlink" is a keyword |
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222 getargs(x, 0, 0, _("symlink takes no arguments")) |
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223 return [f for f in mctx.existing() if mctx.ctx.flags(f) == 'l'] |
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224 |
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225 def resolved(mctx, x): |
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226 """``resolved()`` |
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227 File that is marked resolved according to the resolve state. |
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228 """ |
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229 # i18n: "resolved" is a keyword |
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230 getargs(x, 0, 0, _("resolved takes no arguments")) |
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231 if mctx.ctx.rev() is not None: |
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232 return [] |
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233 ms = merge.mergestate(mctx.ctx._repo) |
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234 return [f for f in mctx.subset if f in ms and ms[f] == 'r'] |
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235 |
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|
236 def unresolved(mctx, x): |
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237 """``unresolved()`` |
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238 File that is marked unresolved according to the resolve state. |
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239 """ |
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240 # i18n: "unresolved" is a keyword |
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241 getargs(x, 0, 0, _("unresolved takes no arguments")) |
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242 if mctx.ctx.rev() is not None: |
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|
243 return [] |
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244 ms = merge.mergestate(mctx.ctx._repo) |
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245 return [f for f in mctx.subset if f in ms and ms[f] == 'u'] |
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246 |
14680 | 247 def hgignore(mctx, x): |
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248 """``hgignore()`` |
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249 File that matches the active .hgignore pattern. |
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250 """ |
14680 | 251 getargs(x, 0, 0, _("hgignore takes no arguments")) |
252 ignore = mctx.ctx._repo.dirstate._ignore | |
253 return [f for f in mctx.subset if ignore(f)] | |
254 | |
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255 def grep(mctx, x): |
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256 """``grep(regex)`` |
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257 File contains the given regular expression. |
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|
258 """ |
17368
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|
259 try: |
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260 # i18n: "grep" is a keyword |
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261 r = re.compile(getstring(x, _("grep requires a pattern"))) |
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262 except re.error, e: |
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263 raise error.ParseError(_('invalid match pattern: %s') % e) |
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264 return [f for f in mctx.existing() if r.search(mctx.ctx[f].data())] |
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265 |
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266 def _sizetomax(s): |
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267 try: |
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|
268 s = s.strip() |
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|
269 for k, v in util._sizeunits: |
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270 if s.endswith(k): |
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271 # max(4k) = 5k - 1, max(4.5k) = 4.6k - 1 |
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272 n = s[:-len(k)] |
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|
273 inc = 1.0 |
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|
274 if "." in n: |
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275 inc /= 10 ** len(n.split(".")[1]) |
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276 return int((float(n) + inc) * v) - 1 |
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277 # no extension, this is a precise value |
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278 return int(s) |
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|
279 except ValueError: |
14716
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280 raise error.ParseError(_("couldn't parse size: %s") % s) |
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281 |
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282 def size(mctx, x): |
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|
283 """``size(expression)`` |
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284 File size matches the given expression. Examples: |
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285 |
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|
286 - 1k (files from 1024 to 2047 bytes) |
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|
287 - < 20k (files less than 20480 bytes) |
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288 - >= .5MB (files at least 524288 bytes) |
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289 - 4k - 1MB (files from 4096 bytes to 1048576 bytes) |
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|
290 """ |
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291 |
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|
292 # i18n: "size" is a keyword |
14717
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|
293 expr = getstring(x, _("size requires an expression")).strip() |
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|
294 if '-' in expr: # do we have a range? |
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295 a, b = expr.split('-', 1) |
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296 a = util.sizetoint(a) |
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297 b = util.sizetoint(b) |
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298 m = lambda x: x >= a and x <= b |
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299 elif expr.startswith("<="): |
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300 a = util.sizetoint(expr[2:]) |
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301 m = lambda x: x <= a |
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302 elif expr.startswith("<"): |
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303 a = util.sizetoint(expr[1:]) |
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304 m = lambda x: x < a |
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305 elif expr.startswith(">="): |
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306 a = util.sizetoint(expr[2:]) |
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307 m = lambda x: x >= a |
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308 elif expr.startswith(">"): |
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309 a = util.sizetoint(expr[1:]) |
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310 m = lambda x: x > a |
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311 elif expr[0].isdigit or expr[0] == '.': |
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312 a = util.sizetoint(expr) |
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313 b = _sizetomax(expr) |
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314 m = lambda x: x >= a and x <= b |
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315 else: |
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316 raise error.ParseError(_("couldn't parse size: %s") % expr) |
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317 |
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318 return [f for f in mctx.existing() if m(mctx.ctx[f].size())] |
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319 |
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320 def encoding(mctx, x): |
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321 """``encoding(name)`` |
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322 File can be successfully decoded with the given character |
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323 encoding. May not be useful for encodings other than ASCII and |
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324 UTF-8. |
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325 """ |
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326 |
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327 # i18n: "encoding" is a keyword |
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328 enc = getstring(x, _("encoding requires an encoding name")) |
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329 |
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330 s = [] |
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331 for f in mctx.existing(): |
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332 d = mctx.ctx[f].data() |
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333 try: |
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334 d.decode(enc) |
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335 except LookupError: |
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336 raise util.Abort(_("unknown encoding '%s'") % enc) |
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337 except UnicodeDecodeError: |
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338 continue |
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339 s.append(f) |
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340 |
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341 return s |
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342 |
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343 def eol(mctx, x): |
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344 """``eol(style)`` |
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345 File contains newlines of the given style (dos, unix, mac). Binary |
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346 files are excluded, files with mixed line endings match multiple |
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347 styles. |
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348 """ |
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349 |
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350 # i18n: "encoding" is a keyword |
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351 enc = getstring(x, _("encoding requires an encoding name")) |
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352 |
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353 s = [] |
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354 for f in mctx.existing(): |
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355 d = mctx.ctx[f].data() |
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356 if util.binary(d): |
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357 continue |
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358 if (enc == 'dos' or enc == 'win') and '\r\n' in d: |
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359 s.append(f) |
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360 elif enc == 'unix' and re.search('(?<!\r)\n', d): |
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361 s.append(f) |
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362 elif enc == 'mac' and re.search('\r(?!\n)', d): |
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363 s.append(f) |
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|
364 return s |
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365 |
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366 def copied(mctx, x): |
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367 """``copied()`` |
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368 File that is recorded as being copied. |
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369 """ |
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370 # i18n: "copied" is a keyword |
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diff
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371 getargs(x, 0, 0, _("copied takes no arguments")) |
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372 s = [] |
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373 for f in mctx.subset: |
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374 p = mctx.ctx[f].parents() |
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375 if p and p[0].path() != f: |
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376 s.append(f) |
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377 return s |
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378 |
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379 def subrepo(mctx, x): |
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380 """``subrepo([pattern])`` |
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381 Subrepositories whose paths match the given pattern. |
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382 """ |
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383 # i18n: "subrepo" is a keyword |
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|
384 getargs(x, 0, 1, _("subrepo takes at most one argument")) |
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|
385 ctx = mctx.ctx |
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|
386 sstate = sorted(ctx.substate) |
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387 if x: |
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388 pat = getstring(x, _("subrepo requires a pattern or no arguments")) |
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389 |
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|
390 import match as matchmod # avoid circular import issues |
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|
391 fast = not matchmod.patkind(pat) |
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|
392 if fast: |
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393 def m(s): |
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394 return (s == pat) |
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|
395 else: |
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|
396 m = matchmod.match(ctx._repo.root, '', [pat], ctx=ctx) |
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|
397 return [sub for sub in sstate if m(sub)] |
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398 else: |
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|
399 return [sub for sub in sstate] |
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|
400 |
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|
401 symbols = { |
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402 'added': added, |
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403 'binary': binary, |
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404 'clean': clean, |
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405 'copied': copied, |
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406 'deleted': deleted, |
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|
407 'encoding': encoding, |
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408 'eol': eol, |
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|
409 'exec': exec_, |
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410 'grep': grep, |
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411 'ignored': ignored, |
14680 | 412 'hgignore': hgignore, |
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413 'modified': modified, |
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changeset
|
414 'removed': removed, |
14679
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|
415 'resolved': resolved, |
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|
416 'size': size, |
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|
417 'symlink': symlink, |
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418 'unknown': unknown, |
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419 'unresolved': unresolved, |
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420 'subrepo': subrepo, |
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421 } |
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422 |
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423 methods = { |
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424 'string': stringset, |
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425 'symbol': stringset, |
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426 'and': andset, |
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427 'or': orset, |
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428 'minus': minusset, |
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429 'list': listset, |
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430 'group': getset, |
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431 'not': notset, |
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432 'func': func, |
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433 } |
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434 |
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435 class matchctx(object): |
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436 def __init__(self, ctx, subset=None, status=None): |
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437 self.ctx = ctx |
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438 self.subset = subset |
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439 self._status = status |
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440 def status(self): |
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441 return self._status |
14673 | 442 def matcher(self, patterns): |
443 return self.ctx.match(patterns) | |
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444 def filter(self, files): |
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445 return [f for f in files if f in self.subset] |
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446 def existing(self): |
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447 if self._status is not None: |
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448 removed = set(self._status[3]) |
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449 unknown = set(self._status[4] + self._status[5]) |
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450 else: |
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451 removed = set() |
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452 unknown = set() |
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453 return (f for f in self.subset |
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454 if (f in self.ctx and f not in removed) or f in unknown) |
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455 def narrow(self, files): |
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456 return matchctx(self.ctx, self.filter(files), self._status) |
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457 |
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458 def _intree(funcs, tree): |
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459 if isinstance(tree, tuple): |
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460 if tree[0] == 'func' and tree[1][0] == 'symbol': |
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461 if tree[1][1] in funcs: |
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462 return True |
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463 for s in tree[1:]: |
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464 if _intree(funcs, s): |
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465 return True |
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466 return False |
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467 |
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468 # filesets using matchctx.existing() |
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469 _existingcallers = [ |
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470 'binary', |
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471 'exec', |
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472 'grep', |
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473 'size', |
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474 'symlink', |
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475 ] |
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476 |
14673 | 477 def getfileset(ctx, expr): |
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478 tree, pos = parse(expr) |
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479 if (pos != len(expr)): |
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480 raise error.ParseError(_("invalid token"), pos) |
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481 |
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482 # do we need status info? |
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483 if (_intree(['modified', 'added', 'removed', 'deleted', |
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484 'unknown', 'ignored', 'clean'], tree) or |
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485 # Using matchctx.existing() on a workingctx requires us to check |
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486 # for deleted files. |
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487 (ctx.rev() is None and _intree(_existingcallers, tree))): |
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488 unknown = _intree(['unknown'], tree) |
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489 ignored = _intree(['ignored'], tree) |
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490 |
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491 r = ctx._repo |
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492 status = r.status(ctx.p1(), ctx, |
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493 unknown=unknown, ignored=ignored, clean=True) |
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494 subset = [] |
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495 for c in status: |
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496 subset.extend(c) |
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497 else: |
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498 status = None |
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499 subset = list(ctx.walk(ctx.match([]))) |
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500 |
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501 return getset(matchctx(ctx, subset, status), tree) |
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502 |
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503 # tell hggettext to extract docstrings from these functions: |
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504 i18nfunctions = symbols.values() |