Mercurial > hg
annotate mercurial/fileset.py @ 33451:e44d54260c32
phases: track phase movements in 'advanceboundary'
Makes advanceboundary record the phase movement of affected revisions in
tr.changes['phases'].
The tracking is not usable yet because the 'retractboundary' function can also
affect phases.
We'll improve that in the coming changesets.
author | Boris Feld <boris.feld@octobus.net> |
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date | Tue, 11 Jul 2017 02:39:52 +0200 |
parents | 1fb0a85fb20e |
children | 0e369eca888f |
rev | line source |
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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 from __future__ import absolute_import |
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9 |
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10 import re |
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11 |
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12 from .i18n import _ |
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13 from . import ( |
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14 error, |
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15 merge, |
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16 parser, |
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17 pycompat, |
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18 registrar, |
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19 scmutil, |
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20 util, |
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21 ) |
11275 | 22 |
23 elements = { | |
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24 # token-type: binding-strength, primary, prefix, infix, suffix |
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25 "(": (20, None, ("group", 1, ")"), ("func", 1, ")"), None), |
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26 "-": (5, None, ("negate", 19), ("minus", 5), None), |
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27 "not": (10, None, ("not", 10), None, None), |
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28 "!": (10, None, ("not", 10), None, None), |
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29 "and": (5, None, None, ("and", 5), None), |
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30 "&": (5, None, None, ("and", 5), None), |
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31 "or": (4, None, None, ("or", 4), None), |
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32 "|": (4, None, None, ("or", 4), None), |
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33 "+": (4, None, None, ("or", 4), None), |
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34 ",": (2, None, None, ("list", 2), None), |
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35 ")": (0, None, None, None, None), |
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36 "symbol": (0, "symbol", None, None, None), |
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37 "string": (0, "string", None, None, None), |
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38 "end": (0, None, None, None, None), |
11275 | 39 } |
40 | |
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41 keywords = {'and', 'or', 'not'} |
11275 | 42 |
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43 globchars = ".*{}[]?/\\_" |
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44 |
11275 | 45 def tokenize(program): |
46 pos, l = 0, len(program) | |
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47 program = pycompat.bytestr(program) |
11275 | 48 while pos < l: |
49 c = program[pos] | |
50 if c.isspace(): # skip inter-token whitespace | |
51 pass | |
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52 elif c in "(),-|&+!": # handle simple operators |
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53 yield (c, None, pos) |
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54 elif (c in '"\'' or c == 'r' and |
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55 program[pos:pos + 2] in ("r'", 'r"')): # handle quoted strings |
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56 if c == 'r': |
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57 pos += 1 |
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58 c = program[pos] |
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59 decode = lambda x: x |
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60 else: |
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61 decode = parser.unescapestr |
11275 | 62 pos += 1 |
63 s = pos | |
64 while pos < l: # find closing quote | |
65 d = program[pos] | |
66 if d == '\\': # skip over escaped characters | |
67 pos += 2 | |
68 continue | |
69 if d == c: | |
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70 yield ('string', decode(program[s:pos]), s) |
11275 | 71 break |
72 pos += 1 | |
73 else: | |
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74 raise error.ParseError(_("unterminated string"), s) |
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75 elif c.isalnum() or c in globchars or ord(c) > 127: |
14513 | 76 # gather up a symbol/keyword |
11275 | 77 s = pos |
78 pos += 1 | |
79 while pos < l: # find end of symbol | |
80 d = program[pos] | |
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81 if not (d.isalnum() or d in globchars or ord(d) > 127): |
11275 | 82 break |
83 pos += 1 | |
84 sym = program[s:pos] | |
85 if sym in keywords: # operator keywords | |
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86 yield (sym, None, s) |
11275 | 87 else: |
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88 yield ('symbol', sym, s) |
11275 | 89 pos -= 1 |
90 else: | |
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91 raise error.ParseError(_("syntax error"), pos) |
11275 | 92 pos += 1 |
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93 yield ('end', None, pos) |
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95 def parse(expr): |
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96 p = parser.parser(elements) |
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97 tree, pos = p.parse(tokenize(expr)) |
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98 if pos != len(expr): |
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99 raise error.ParseError(_("invalid token"), pos) |
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100 return tree |
11275 | 101 |
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102 def getstring(x, err): |
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103 if x and (x[0] == 'string' or x[0] == 'symbol'): |
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104 return x[1] |
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105 raise error.ParseError(err) |
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106 |
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107 def getset(mctx, x): |
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108 if not x: |
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109 raise error.ParseError(_("missing argument")) |
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110 return methods[x[0]](mctx, *x[1:]) |
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111 |
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112 def stringset(mctx, x): |
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113 m = mctx.matcher([x]) |
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114 return [f for f in mctx.subset if m(f)] |
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115 |
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116 def andset(mctx, x, y): |
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117 return getset(mctx.narrow(getset(mctx, x)), y) |
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118 |
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119 def orset(mctx, x, y): |
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120 # needs optimizing |
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121 xl = getset(mctx, x) |
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122 yl = getset(mctx, y) |
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123 return xl + [f for f in yl if f not in xl] |
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124 |
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125 def notset(mctx, x): |
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126 s = set(getset(mctx, x)) |
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127 return [r for r in mctx.subset if r not in s] |
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128 |
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129 def minusset(mctx, x, y): |
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130 xl = getset(mctx, x) |
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131 yl = set(getset(mctx, y)) |
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132 return [f for f in xl if f not in yl] |
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133 |
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134 def listset(mctx, a, b): |
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135 raise error.ParseError(_("can't use a list in this context"), |
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136 hint=_('see hg help "filesets.x or y"')) |
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137 |
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138 # symbols are callable like: |
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139 # fun(mctx, x) |
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140 # with: |
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141 # mctx - current matchctx instance |
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142 # x - argument in tree form |
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143 symbols = {} |
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144 |
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145 # filesets using matchctx.status() |
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146 _statuscallers = set() |
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147 |
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148 # filesets using matchctx.existing() |
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149 _existingcallers = set() |
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150 |
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151 predicate = registrar.filesetpredicate() |
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152 |
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153 @predicate('modified()', callstatus=True) |
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154 def modified(mctx, x): |
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155 """File that is modified according to :hg:`status`. |
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156 """ |
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157 # i18n: "modified" is a keyword |
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158 getargs(x, 0, 0, _("modified takes no arguments")) |
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159 s = set(mctx.status().modified) |
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160 return [f for f in mctx.subset if f in s] |
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161 |
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162 @predicate('added()', callstatus=True) |
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163 def added(mctx, x): |
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164 """File that is added according to :hg:`status`. |
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165 """ |
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166 # i18n: "added" is a keyword |
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167 getargs(x, 0, 0, _("added takes no arguments")) |
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168 s = set(mctx.status().added) |
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169 return [f for f in mctx.subset if f in s] |
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170 |
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171 @predicate('removed()', callstatus=True) |
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172 def removed(mctx, x): |
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173 """File that is removed according to :hg:`status`. |
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174 """ |
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175 # i18n: "removed" is a keyword |
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176 getargs(x, 0, 0, _("removed takes no arguments")) |
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177 s = set(mctx.status().removed) |
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178 return [f for f in mctx.subset if f in s] |
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179 |
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180 @predicate('deleted()', callstatus=True) |
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181 def deleted(mctx, x): |
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182 """Alias for ``missing()``. |
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183 """ |
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184 # i18n: "deleted" is a keyword |
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185 getargs(x, 0, 0, _("deleted takes no arguments")) |
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186 s = set(mctx.status().deleted) |
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187 return [f for f in mctx.subset if f in s] |
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188 |
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189 @predicate('missing()', callstatus=True) |
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190 def missing(mctx, x): |
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191 """File that is missing according to :hg:`status`. |
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192 """ |
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193 # i18n: "missing" is a keyword |
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194 getargs(x, 0, 0, _("missing takes no arguments")) |
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195 s = set(mctx.status().deleted) |
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196 return [f for f in mctx.subset if f in s] |
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197 |
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198 @predicate('unknown()', callstatus=True) |
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199 def unknown(mctx, x): |
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200 """File that is unknown according to :hg:`status`. These files will only be |
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201 considered if this predicate is used. |
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202 """ |
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203 # i18n: "unknown" is a keyword |
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204 getargs(x, 0, 0, _("unknown takes no arguments")) |
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205 s = set(mctx.status().unknown) |
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206 return [f for f in mctx.subset if f in s] |
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207 |
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208 @predicate('ignored()', callstatus=True) |
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209 def ignored(mctx, x): |
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210 """File that is ignored according to :hg:`status`. These files will only be |
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211 considered if this predicate is used. |
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212 """ |
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213 # i18n: "ignored" is a keyword |
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214 getargs(x, 0, 0, _("ignored takes no arguments")) |
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215 s = set(mctx.status().ignored) |
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216 return [f for f in mctx.subset if f in s] |
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217 |
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218 @predicate('clean()', callstatus=True) |
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219 def clean(mctx, x): |
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220 """File that is clean according to :hg:`status`. |
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221 """ |
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222 # i18n: "clean" is a keyword |
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223 getargs(x, 0, 0, _("clean takes no arguments")) |
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224 s = set(mctx.status().clean) |
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225 return [f for f in mctx.subset if f in s] |
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226 |
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227 def func(mctx, a, b): |
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228 if a[0] == 'symbol' and a[1] in symbols: |
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229 funcname = a[1] |
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230 enabled = mctx._existingenabled |
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231 mctx._existingenabled = funcname in _existingcallers |
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232 try: |
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233 return symbols[funcname](mctx, b) |
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234 finally: |
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235 mctx._existingenabled = enabled |
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236 |
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237 keep = lambda fn: getattr(fn, '__doc__', None) is not None |
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238 |
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239 syms = [s for (s, fn) in symbols.items() if keep(fn)] |
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240 raise error.UnknownIdentifier(a[1], syms) |
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241 |
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242 def getlist(x): |
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243 if not x: |
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244 return [] |
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245 if x[0] == 'list': |
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246 return getlist(x[1]) + [x[2]] |
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247 return [x] |
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248 |
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249 def getargs(x, min, max, err): |
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250 l = getlist(x) |
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251 if len(l) < min or len(l) > max: |
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252 raise error.ParseError(err) |
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253 return l |
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254 |
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255 @predicate('binary()', callexisting=True) |
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256 def binary(mctx, x): |
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257 """File that appears to be binary (contains NUL bytes). |
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258 """ |
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259 # i18n: "binary" is a keyword |
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260 getargs(x, 0, 0, _("binary takes no arguments")) |
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261 return [f for f in mctx.existing() if mctx.ctx[f].isbinary()] |
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262 |
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263 @predicate('exec()', callexisting=True) |
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264 def exec_(mctx, x): |
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265 """File that is marked as executable. |
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266 """ |
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267 # i18n: "exec" is a keyword |
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268 getargs(x, 0, 0, _("exec takes no arguments")) |
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269 return [f for f in mctx.existing() if mctx.ctx.flags(f) == 'x'] |
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270 |
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271 @predicate('symlink()', callexisting=True) |
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272 def symlink(mctx, x): |
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273 """File that is marked as a symlink. |
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274 """ |
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275 # i18n: "symlink" is a keyword |
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276 getargs(x, 0, 0, _("symlink takes no arguments")) |
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277 return [f for f in mctx.existing() if mctx.ctx.flags(f) == 'l'] |
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278 |
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279 @predicate('resolved()') |
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280 def resolved(mctx, x): |
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281 """File that is marked resolved according to :hg:`resolve -l`. |
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282 """ |
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283 # i18n: "resolved" is a keyword |
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284 getargs(x, 0, 0, _("resolved takes no arguments")) |
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285 if mctx.ctx.rev() is not None: |
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286 return [] |
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287 ms = merge.mergestate.read(mctx.ctx.repo()) |
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288 return [f for f in mctx.subset if f in ms and ms[f] == 'r'] |
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289 |
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290 @predicate('unresolved()') |
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291 def unresolved(mctx, x): |
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292 """File that is marked unresolved according to :hg:`resolve -l`. |
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293 """ |
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294 # i18n: "unresolved" is a keyword |
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295 getargs(x, 0, 0, _("unresolved takes no arguments")) |
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296 if mctx.ctx.rev() is not None: |
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297 return [] |
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298 ms = merge.mergestate.read(mctx.ctx.repo()) |
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299 return [f for f in mctx.subset if f in ms and ms[f] == 'u'] |
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300 |
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301 @predicate('hgignore()') |
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303 """File that matches the active .hgignore pattern. |
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304 """ |
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305 # i18n: "hgignore" is a keyword |
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307 ignore = mctx.ctx.repo().dirstate._ignore |
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309 | |
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310 @predicate('portable()') |
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311 def portable(mctx, x): |
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312 """File that has a portable name. (This doesn't include filenames with case |
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313 collisions.) |
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314 """ |
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315 # i18n: "portable" is a keyword |
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316 getargs(x, 0, 0, _("portable takes no arguments")) |
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317 checkwinfilename = util.checkwinfilename |
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318 return [f for f in mctx.subset if checkwinfilename(f) is None] |
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319 |
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320 @predicate('grep(regex)', callexisting=True) |
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321 def grep(mctx, x): |
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322 """File contains the given regular expression. |
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323 """ |
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324 try: |
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325 # i18n: "grep" is a keyword |
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326 r = re.compile(getstring(x, _("grep requires a pattern"))) |
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327 except re.error as e: |
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328 raise error.ParseError(_('invalid match pattern: %s') % e) |
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329 return [f for f in mctx.existing() if r.search(mctx.ctx[f].data())] |
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330 |
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331 def _sizetomax(s): |
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332 try: |
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333 s = s.strip().lower() |
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334 for k, v in util._sizeunits: |
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335 if s.endswith(k): |
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336 # max(4k) = 5k - 1, max(4.5k) = 4.6k - 1 |
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337 n = s[:-len(k)] |
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338 inc = 1.0 |
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339 if "." in n: |
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340 inc /= 10 ** len(n.split(".")[1]) |
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341 return int((float(n) + inc) * v) - 1 |
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342 # no extension, this is a precise value |
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343 return int(s) |
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344 except ValueError: |
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345 raise error.ParseError(_("couldn't parse size: %s") % s) |
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346 |
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347 @predicate('size(expression)', callexisting=True) |
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348 def size(mctx, x): |
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349 """File size matches the given expression. Examples: |
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350 |
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351 - size('1k') - files from 1024 to 2047 bytes |
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352 - size('< 20k') - files less than 20480 bytes |
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353 - size('>= .5MB') - files at least 524288 bytes |
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354 - size('4k - 1MB') - files from 4096 bytes to 1048576 bytes |
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355 """ |
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356 |
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357 # i18n: "size" is a keyword |
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358 expr = getstring(x, _("size requires an expression")).strip() |
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359 if '-' in expr: # do we have a range? |
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360 a, b = expr.split('-', 1) |
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361 a = util.sizetoint(a) |
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362 b = util.sizetoint(b) |
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363 m = lambda x: x >= a and x <= b |
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364 elif expr.startswith("<="): |
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365 a = util.sizetoint(expr[2:]) |
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366 m = lambda x: x <= a |
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367 elif expr.startswith("<"): |
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368 a = util.sizetoint(expr[1:]) |
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369 m = lambda x: x < a |
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370 elif expr.startswith(">="): |
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371 a = util.sizetoint(expr[2:]) |
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372 m = lambda x: x >= a |
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373 elif expr.startswith(">"): |
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374 a = util.sizetoint(expr[1:]) |
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375 m = lambda x: x > a |
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376 elif expr[0].isdigit or expr[0] == '.': |
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377 a = util.sizetoint(expr) |
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378 b = _sizetomax(expr) |
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379 m = lambda x: x >= a and x <= b |
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380 else: |
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381 raise error.ParseError(_("couldn't parse size: %s") % expr) |
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382 |
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383 return [f for f in mctx.existing() if m(mctx.ctx[f].size())] |
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384 |
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385 @predicate('encoding(name)', callexisting=True) |
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386 def encoding(mctx, x): |
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387 """File can be successfully decoded with the given character |
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388 encoding. May not be useful for encodings other than ASCII and |
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389 UTF-8. |
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390 """ |
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391 |
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392 # i18n: "encoding" is a keyword |
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393 enc = getstring(x, _("encoding requires an encoding name")) |
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394 |
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395 s = [] |
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396 for f in mctx.existing(): |
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397 d = mctx.ctx[f].data() |
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398 try: |
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399 d.decode(enc) |
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400 except LookupError: |
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401 raise error.Abort(_("unknown encoding '%s'") % enc) |
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402 except UnicodeDecodeError: |
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403 continue |
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404 s.append(f) |
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405 |
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406 return s |
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407 |
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408 @predicate('eol(style)', callexisting=True) |
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409 def eol(mctx, x): |
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410 """File contains newlines of the given style (dos, unix, mac). Binary |
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411 files are excluded, files with mixed line endings match multiple |
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412 styles. |
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413 """ |
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414 |
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415 # i18n: "eol" is a keyword |
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416 enc = getstring(x, _("eol requires a style name")) |
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417 |
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418 s = [] |
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419 for f in mctx.existing(): |
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420 d = mctx.ctx[f].data() |
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421 if util.binary(d): |
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422 continue |
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423 if (enc == 'dos' or enc == 'win') and '\r\n' in d: |
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424 s.append(f) |
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425 elif enc == 'unix' and re.search('(?<!\r)\n', d): |
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426 s.append(f) |
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427 elif enc == 'mac' and re.search('\r(?!\n)', d): |
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428 s.append(f) |
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429 return s |
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430 |
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431 @predicate('copied()') |
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432 def copied(mctx, x): |
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433 """File that is recorded as being copied. |
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434 """ |
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435 # i18n: "copied" is a keyword |
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436 getargs(x, 0, 0, _("copied takes no arguments")) |
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437 s = [] |
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438 for f in mctx.subset: |
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439 p = mctx.ctx[f].parents() |
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440 if p and p[0].path() != f: |
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441 s.append(f) |
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442 return s |
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443 |
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444 @predicate('revs(revs, pattern)') |
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445 def revs(mctx, x): |
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446 """Evaluate set in the specified revisions. If the revset match multiple |
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447 revs, this will return file matching pattern in any of the revision. |
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448 """ |
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449 # i18n: "revs" is a keyword |
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450 r, x = getargs(x, 2, 2, _("revs takes two arguments")) |
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451 # i18n: "revs" is a keyword |
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452 revspec = getstring(r, _("first argument to revs must be a revision")) |
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453 repo = mctx.ctx.repo() |
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454 revs = scmutil.revrange(repo, [revspec]) |
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455 |
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456 found = set() |
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457 result = [] |
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458 for r in revs: |
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459 ctx = repo[r] |
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460 for f in getset(mctx.switch(ctx, _buildstatus(ctx, x)), x): |
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461 if f not in found: |
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462 found.add(f) |
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463 result.append(f) |
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464 return result |
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465 |
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466 @predicate('status(base, rev, pattern)') |
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467 def status(mctx, x): |
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468 """Evaluate predicate using status change between ``base`` and |
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469 ``rev``. Examples: |
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470 |
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471 - ``status(3, 7, added())`` - matches files added from "3" to "7" |
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472 """ |
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473 repo = mctx.ctx.repo() |
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474 # i18n: "status" is a keyword |
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475 b, r, x = getargs(x, 3, 3, _("status takes three arguments")) |
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476 # i18n: "status" is a keyword |
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477 baseerr = _("first argument to status must be a revision") |
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478 baserevspec = getstring(b, baseerr) |
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479 if not baserevspec: |
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480 raise error.ParseError(baseerr) |
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481 reverr = _("second argument to status must be a revision") |
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482 revspec = getstring(r, reverr) |
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483 if not revspec: |
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484 raise error.ParseError(reverr) |
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485 basenode, node = scmutil.revpair(repo, [baserevspec, revspec]) |
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486 basectx = repo[basenode] |
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487 ctx = repo[node] |
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488 return getset(mctx.switch(ctx, _buildstatus(ctx, x, basectx=basectx)), x) |
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489 |
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490 @predicate('subrepo([pattern])') |
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491 def subrepo(mctx, x): |
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492 """Subrepositories whose paths match the given pattern. |
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493 """ |
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494 # i18n: "subrepo" is a keyword |
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495 getargs(x, 0, 1, _("subrepo takes at most one argument")) |
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496 ctx = mctx.ctx |
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497 sstate = sorted(ctx.substate) |
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498 if x: |
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499 # i18n: "subrepo" is a keyword |
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500 pat = getstring(x, _("subrepo requires a pattern or no arguments")) |
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501 |
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502 from . import match as matchmod # avoid circular import issues |
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503 fast = not matchmod.patkind(pat) |
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504 if fast: |
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505 def m(s): |
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506 return (s == pat) |
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507 else: |
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508 m = matchmod.match(ctx.repo().root, '', [pat], ctx=ctx) |
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509 return [sub for sub in sstate if m(sub)] |
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510 else: |
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511 return [sub for sub in sstate] |
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512 |
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513 methods = { |
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514 'string': stringset, |
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515 'symbol': stringset, |
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516 'and': andset, |
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517 'or': orset, |
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518 'minus': minusset, |
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519 'list': listset, |
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520 'group': getset, |
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521 'not': notset, |
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522 'func': func, |
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523 } |
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524 |
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525 class matchctx(object): |
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526 def __init__(self, ctx, subset, status=None): |
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527 self.ctx = ctx |
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528 self.subset = subset |
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529 self._status = status |
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530 self._existingenabled = False |
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531 def status(self): |
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532 return self._status |
14673 | 533 def matcher(self, patterns): |
534 return self.ctx.match(patterns) | |
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535 def filter(self, files): |
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536 return [f for f in files if f in self.subset] |
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537 def existing(self): |
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538 assert self._existingenabled, 'unexpected existing() invocation' |
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539 if self._status is not None: |
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540 removed = set(self._status[3]) |
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541 unknown = set(self._status[4] + self._status[5]) |
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542 else: |
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543 removed = set() |
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544 unknown = set() |
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545 return (f for f in self.subset |
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546 if (f in self.ctx and f not in removed) or f in unknown) |
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547 def narrow(self, files): |
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548 return matchctx(self.ctx, self.filter(files), self._status) |
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549 def switch(self, ctx, status=None): |
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550 subset = self.filter(_buildsubset(ctx, status)) |
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551 return matchctx(ctx, subset, status) |
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552 |
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553 class fullmatchctx(matchctx): |
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554 """A match context where any files in any revisions should be valid""" |
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555 |
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556 def __init__(self, ctx, status=None): |
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557 subset = _buildsubset(ctx, status) |
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|
558 super(fullmatchctx, self).__init__(ctx, subset, status) |
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559 def switch(self, ctx, status=None): |
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560 return fullmatchctx(ctx, status) |
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561 |
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|
562 # filesets using matchctx.switch() |
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563 _switchcallers = [ |
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564 'revs', |
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565 'status', |
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566 ] |
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567 |
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|
568 def _intree(funcs, tree): |
5ef7b87530f6
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|
569 if isinstance(tree, tuple): |
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diff
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|
570 if tree[0] == 'func' and tree[1][0] == 'symbol': |
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|
571 if tree[1][1] in funcs: |
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|
572 return True |
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573 if tree[1][1] in _switchcallers: |
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|
574 # arguments won't be evaluated in the current context |
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575 return False |
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576 for s in tree[1:]: |
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577 if _intree(funcs, s): |
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578 return True |
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|
579 return False |
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|
580 |
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|
581 def _buildsubset(ctx, status): |
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|
582 if status: |
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|
583 subset = [] |
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|
584 for c in status: |
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|
585 subset.extend(c) |
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|
586 return subset |
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587 else: |
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|
588 return list(ctx.walk(ctx.match([]))) |
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|
589 |
14673 | 590 def getfileset(ctx, expr): |
25252
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|
591 tree = parse(expr) |
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|
592 return getset(fullmatchctx(ctx, _buildstatus(ctx, tree)), tree) |
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|
593 |
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|
594 def _buildstatus(ctx, tree, basectx=None): |
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|
595 # do we need status info? |
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|
596 |
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|
597 # temporaty boolean to simplify the next conditional |
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|
598 purewdir = ctx.rev() is None and basectx is None |
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|
599 |
27461
afa76585c955
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|
600 if (_intree(_statuscallers, tree) or |
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changeset
|
601 # Using matchctx.existing() on a workingctx requires us to check |
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diff
changeset
|
602 # for deleted files. |
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|
603 (purewdir and _intree(_existingcallers, tree))): |
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604 unknown = _intree(['unknown'], tree) |
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605 ignored = _intree(['ignored'], tree) |
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606 |
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607 r = ctx.repo() |
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608 if basectx is None: |
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609 basectx = ctx.p1() |
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610 return r.status(basectx, ctx, |
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611 unknown=unknown, ignored=ignored, clean=True) |
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612 else: |
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613 return None |
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614 |
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615 def prettyformat(tree): |
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616 return parser.prettyformat(tree, ('string', 'symbol')) |
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617 |
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618 def loadpredicate(ui, extname, registrarobj): |
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619 """Load fileset predicates from specified registrarobj |
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620 """ |
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621 for name, func in registrarobj._table.iteritems(): |
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622 symbols[name] = func |
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623 if func._callstatus: |
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624 _statuscallers.add(name) |
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625 if func._callexisting: |
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626 _existingcallers.add(name) |
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627 |
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628 # load built-in predicates explicitly to setup _statuscallers/_existingcallers |
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629 loadpredicate(None, None, predicate) |
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630 |
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631 # tell hggettext to extract docstrings from these functions: |
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632 i18nfunctions = symbols.values() |