Mercurial > hg > mercurial-crew-with-dirclash
annotate mercurial/dirstate.py @ 1276:25e5b1086624
Fix dirstate.changes for ignored directories.
Do a second walking pass to examine any leftover files in the dirstate
map that are in the .hgignore file but match our search criteria.
This fixes the case of entire directories never being examined due to
their presence in the .hgignore file, and should hopefully not add any
significant overhead.
| author | Bryan O'Sullivan <bos@serpentine.com> |
|---|---|
| date | Sun, 18 Sep 2005 15:03:07 -0700 |
| parents | 9ab14ca22e37 |
| children | 32d8068b3e36 |
| rev | line source |
|---|---|
| 1089 | 1 """ |
| 2 dirstate.py - working directory tracking for mercurial | |
| 3 | |
| 4 Copyright 2005 Matt Mackall <mpm@selenic.com> | |
| 5 | |
| 6 This software may be used and distributed according to the terms | |
| 7 of the GNU General Public License, incorporated herein by reference. | |
| 8 """ | |
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9 |
| 1094 | 10 import struct, os |
| 11 from node import * | |
| 262 | 12 from demandload import * |
| 1104 | 13 demandload(globals(), "time bisect stat util re") |
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14 |
| 220 | 15 class dirstate: |
| 244 | 16 def __init__(self, opener, ui, root): |
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17 self.opener = opener |
| 244 | 18 self.root = root |
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19 self.dirty = 0 |
| 20 | 20 self.ui = ui |
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21 self.map = None |
| 227 | 22 self.pl = None |
| 363 | 23 self.copies = {} |
| 723 | 24 self.ignorefunc = None |
| 1183 | 25 self.blockignore = False |
| 723 | 26 |
| 27 def wjoin(self, f): | |
| 28 return os.path.join(self.root, f) | |
| 29 | |
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30 def getcwd(self): |
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31 cwd = os.getcwd() |
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32 if cwd == self.root: return '' |
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33 return cwd[len(self.root) + 1:] |
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34 |
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35 def hgignore(self): |
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36 '''return the contents of .hgignore as a list of patterns. |
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37 |
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38 trailing white space is dropped. |
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39 the escape character is backslash. |
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40 comments start with #. |
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41 empty lines are skipped. |
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42 |
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43 lines can be of the following formats: |
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44 |
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45 syntax: regexp # defaults following lines to non-rooted regexps |
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46 syntax: glob # defaults following lines to non-rooted globs |
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47 re:pattern # non-rooted regular expression |
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48 glob:pattern # non-rooted glob |
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49 pattern # pattern of the current default type''' |
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50 syntaxes = {'re': 'relre:', 'regexp': 'relre:', 'glob': 'relglob:'} |
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51 def parselines(fp): |
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52 for line in fp: |
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53 escape = False |
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54 for i in xrange(len(line)): |
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55 if escape: escape = False |
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56 elif line[i] == '\\': escape = True |
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57 elif line[i] == '#': break |
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58 line = line[:i].rstrip() |
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59 if line: yield line |
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60 pats = [] |
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61 try: |
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62 fp = open(self.wjoin('.hgignore')) |
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63 syntax = 'relre:' |
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64 for line in parselines(fp): |
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65 if line.startswith('syntax:'): |
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66 s = line[7:].strip() |
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67 try: |
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68 syntax = syntaxes[s] |
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69 except KeyError: |
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70 self.ui.warn("ignoring invalid syntax '%s'\n" % s) |
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71 continue |
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72 pat = syntax + line |
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73 for s in syntaxes.values(): |
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74 if line.startswith(s): |
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75 pat = line |
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76 break |
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77 pats.append(pat) |
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78 except IOError: pass |
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79 return pats |
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80 |
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81 def ignore(self, fn): |
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82 '''default match function used by dirstate and localrepository. |
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83 this honours the .hgignore file, and nothing more.''' |
| 1183 | 84 if self.blockignore: |
| 85 return False | |
| 723 | 86 if not self.ignorefunc: |
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87 ignore = self.hgignore() |
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88 if ignore: |
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89 files, self.ignorefunc, anypats = util.matcher(self.root, |
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90 inc=ignore) |
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91 else: |
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92 self.ignorefunc = util.never |
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93 return self.ignorefunc(fn) |
| 220 | 94 |
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95 def __del__(self): |
| 220 | 96 if self.dirty: |
| 97 self.write() | |
| 98 | |
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99 def __getitem__(self, key): |
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100 try: |
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101 return self.map[key] |
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102 except TypeError: |
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103 self.read() |
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104 return self[key] |
| 220 | 105 |
| 106 def __contains__(self, key): | |
| 107 if not self.map: self.read() | |
| 108 return key in self.map | |
| 109 | |
| 227 | 110 def parents(self): |
| 111 if not self.pl: | |
| 112 self.read() | |
| 113 return self.pl | |
| 114 | |
| 723 | 115 def markdirty(self): |
| 116 if not self.dirty: | |
| 117 self.dirty = 1 | |
| 118 | |
| 1062 | 119 def setparents(self, p1, p2=nullid): |
| 723 | 120 self.markdirty() |
| 227 | 121 self.pl = p1, p2 |
| 122 | |
| 220 | 123 def state(self, key): |
| 124 try: | |
| 125 return self[key][0] | |
| 126 except KeyError: | |
| 127 return "?" | |
| 128 | |
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129 def read(self): |
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130 if self.map is not None: return self.map |
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131 |
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132 self.map = {} |
| 227 | 133 self.pl = [nullid, nullid] |
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134 try: |
| 220 | 135 st = self.opener("dirstate").read() |
| 311 | 136 if not st: return |
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137 except: return |
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138 |
| 227 | 139 self.pl = [st[:20], st[20: 40]] |
| 140 | |
| 141 pos = 40 | |
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142 while pos < len(st): |
| 220 | 143 e = struct.unpack(">cllll", st[pos:pos+17]) |
| 144 l = e[4] | |
| 145 pos += 17 | |
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146 f = st[pos:pos + l] |
| 515 | 147 if '\0' in f: |
| 363 | 148 f, c = f.split('\0') |
| 149 self.copies[f] = c | |
| 220 | 150 self.map[f] = e[:4] |
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151 pos += l |
| 363 | 152 |
| 153 def copy(self, source, dest): | |
| 154 self.read() | |
| 723 | 155 self.markdirty() |
| 363 | 156 self.copies[dest] = source |
| 157 | |
| 158 def copied(self, file): | |
| 159 return self.copies.get(file, None) | |
| 515 | 160 |
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161 def update(self, files, state, **kw): |
| 220 | 162 ''' current states: |
| 163 n normal | |
| 231 | 164 m needs merging |
| 220 | 165 r marked for removal |
| 166 a marked for addition''' | |
| 167 | |
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168 if not files: return |
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169 self.read() |
| 723 | 170 self.markdirty() |
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171 for f in files: |
| 220 | 172 if state == "r": |
| 173 self.map[f] = ('r', 0, 0, 0) | |
| 174 else: | |
| 1230 | 175 s = os.lstat(os.path.join(self.root, f)) |
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176 st_size = kw.get('st_size', s.st_size) |
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177 st_mtime = kw.get('st_mtime', s.st_mtime) |
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178 self.map[f] = (state, s.st_mode, st_size, st_mtime) |
| 1117 | 179 if self.copies.has_key(f): |
| 180 del self.copies[f] | |
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181 |
| 220 | 182 def forget(self, files): |
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183 if not files: return |
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184 self.read() |
| 723 | 185 self.markdirty() |
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186 for f in files: |
| 20 | 187 try: |
| 188 del self.map[f] | |
| 189 except KeyError: | |
| 220 | 190 self.ui.warn("not in dirstate: %s!\n" % f) |
| 20 | 191 pass |
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192 |
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193 def clear(self): |
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194 self.map = {} |
| 723 | 195 self.markdirty() |
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196 |
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197 def write(self): |
| 220 | 198 st = self.opener("dirstate", "w") |
| 227 | 199 st.write("".join(self.pl)) |
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200 for f, e in self.map.items(): |
| 363 | 201 c = self.copied(f) |
| 202 if c: | |
| 203 f = f + "\0" + c | |
| 220 | 204 e = struct.pack(">cllll", e[0], e[1], e[2], e[3], len(f)) |
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205 st.write(e + f) |
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206 self.dirty = 0 |
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207 |
| 879 | 208 def filterfiles(self, files): |
| 209 ret = {} | |
| 210 unknown = [] | |
| 211 | |
| 212 for x in files: | |
| 213 if x is '.': | |
| 214 return self.map.copy() | |
| 215 if x not in self.map: | |
| 216 unknown.append(x) | |
| 217 else: | |
| 218 ret[x] = self.map[x] | |
| 919 | 219 |
| 879 | 220 if not unknown: |
| 221 return ret | |
| 222 | |
| 223 b = self.map.keys() | |
| 224 b.sort() | |
| 225 blen = len(b) | |
| 226 | |
| 227 for x in unknown: | |
| 228 bs = bisect.bisect(b, x) | |
| 919 | 229 if bs != 0 and b[bs-1] == x: |
| 879 | 230 ret[x] = self.map[x] |
| 231 continue | |
| 232 while bs < blen: | |
| 233 s = b[bs] | |
| 234 if len(s) > len(x) and s.startswith(x) and s[len(x)] == '/': | |
| 235 ret[s] = self.map[s] | |
| 236 else: | |
| 237 break | |
| 238 bs += 1 | |
| 239 return ret | |
| 240 | |
| 1062 | 241 def walk(self, files=None, match=util.always, dc=None): |
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242 self.read() |
| 879 | 243 |
| 723 | 244 # walk all files by default |
| 879 | 245 if not files: |
| 246 files = [self.root] | |
| 247 if not dc: | |
| 248 dc = self.map.copy() | |
| 249 elif not dc: | |
| 250 dc = self.filterfiles(files) | |
| 919 | 251 |
| 1183 | 252 def statmatch(file, stat): |
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253 file = util.pconvert(file) |
| 1183 | 254 if file not in dc and self.ignore(file): |
| 255 return False | |
| 256 return match(file) | |
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257 |
| 1183 | 258 return self.walkhelper(files=files, statmatch=statmatch, dc=dc) |
| 259 | |
| 260 # walk recursively through the directory tree, finding all files | |
| 261 # matched by the statmatch function | |
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262 # |
| 1183 | 263 # results are yielded in a tuple (src, filename), where src is one of: |
| 264 # 'f' the file was found in the directory tree | |
| 265 # 'm' the file was only in the dirstate and not in the tree | |
| 266 # | |
| 267 # dc is an optional arg for the current dirstate. dc is not modified | |
| 268 # directly by this function, but might be modified by your statmatch call. | |
| 269 # | |
| 270 def walkhelper(self, files, statmatch, dc): | |
| 271 # recursion free walker, faster than os.walk. | |
| 272 def findfiles(s): | |
| 273 retfiles = [] | |
| 274 work = [s] | |
| 275 while work: | |
| 276 top = work.pop() | |
| 277 names = os.listdir(top) | |
| 278 names.sort() | |
| 279 # nd is the top of the repository dir tree | |
| 280 nd = util.normpath(top[len(self.root) + 1:]) | |
| 281 if nd == '.': nd = '' | |
| 282 for f in names: | |
| 283 np = os.path.join(nd, f) | |
| 284 if seen(np): | |
| 285 continue | |
| 286 p = os.path.join(top, f) | |
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287 # don't trip over symlinks |
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288 st = os.lstat(p) |
| 1183 | 289 if stat.S_ISDIR(st.st_mode): |
| 290 ds = os.path.join(nd, f +'/') | |
| 291 if statmatch(ds, st): | |
| 292 work.append(p) | |
| 293 else: | |
| 294 if statmatch(np, st): | |
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295 yield util.pconvert(np) |
| 1183 | 296 |
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297 known = {'.hg': 1} |
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298 def seen(fn): |
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299 if fn in known: return True |
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300 known[fn] = 1 |
| 1183 | 301 |
| 302 # step one, find all files that match our criteria | |
| 303 files.sort() | |
| 304 for ff in util.unique(files): | |
| 305 f = os.path.join(self.root, ff) | |
| 306 try: | |
| 1230 | 307 st = os.lstat(f) |
| 1183 | 308 except OSError, inst: |
| 309 if ff not in dc: self.ui.warn('%s: %s\n' % ( | |
| 310 util.pathto(self.getcwd(), ff), | |
| 311 inst.strerror)) | |
| 312 continue | |
| 313 if stat.S_ISDIR(st.st_mode): | |
| 314 sorted = [ x for x in findfiles(f) ] | |
| 315 sorted.sort() | |
| 316 for fl in sorted: | |
| 317 yield 'f', fl | |
| 318 elif stat.S_ISREG(st.st_mode): | |
| 319 ff = util.normpath(ff) | |
| 320 if seen(ff): | |
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321 continue |
| 1183 | 322 found = False |
| 323 self.blockignore = True | |
| 324 if statmatch(ff, st): | |
| 325 found = True | |
| 326 self.blockignore = False | |
| 327 if found: | |
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328 yield 'f', ff |
| 1183 | 329 else: |
| 330 kind = 'unknown' | |
| 331 if stat.S_ISCHR(st.st_mode): kind = 'character device' | |
| 332 elif stat.S_ISBLK(st.st_mode): kind = 'block device' | |
| 333 elif stat.S_ISFIFO(st.st_mode): kind = 'fifo' | |
| 334 elif stat.S_ISLNK(st.st_mode): kind = 'symbolic link' | |
| 335 elif stat.S_ISSOCK(st.st_mode): kind = 'socket' | |
| 336 self.ui.warn('%s: unsupported file type (type is %s)\n' % ( | |
| 337 util.pathto(self.getcwd(), ff), | |
| 338 kind)) | |
| 536 | 339 |
| 1183 | 340 # step two run through anything left in the dc hash and yield |
| 341 # if we haven't already seen it | |
| 342 ks = dc.keys() | |
| 343 ks.sort() | |
| 344 for k in ks: | |
| 345 if not seen(k) and (statmatch(k, None)): | |
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346 yield 'm', k |
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347 |
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348 def changes(self, files=None, match=util.always): |
| 723 | 349 self.read() |
| 879 | 350 if not files: |
| 1183 | 351 files = [self.root] |
| 879 | 352 dc = self.map.copy() |
| 353 else: | |
| 354 dc = self.filterfiles(files) | |
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355 lookup, modified, added, unknown = [], [], [], [] |
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356 removed, deleted = [], [] |
| 723 | 357 |
| 1183 | 358 # statmatch function to eliminate entries from the dirstate copy |
| 359 # and put files into the appropriate array. This gets passed | |
| 360 # to the walking code | |
| 361 def statmatch(fn, s): | |
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362 fn = util.pconvert(fn) |
| 1183 | 363 def checkappend(l, fn): |
| 364 if match is util.always or match(fn): | |
| 365 l.append(fn) | |
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366 |
| 1183 | 367 if not s or stat.S_ISDIR(s.st_mode): |
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368 if self.ignore(fn): return False |
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369 return match(fn) |
| 1183 | 370 |
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371 if not stat.S_ISREG(s.st_mode): |
| 1183 | 372 return False |
| 373 c = dc.pop(fn, None) | |
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374 if c: |
| 1183 | 375 type, mode, size, time = c |
| 376 # check the common case first | |
| 377 if type == 'n': | |
| 378 if size != s.st_size or (mode ^ s.st_mode) & 0100: | |
| 379 checkappend(modified, fn) | |
| 380 elif time != s.st_mtime: | |
| 381 checkappend(lookup, fn) | |
| 382 elif type == 'm': | |
| 383 checkappend(modified, fn) | |
| 384 elif type == 'a': | |
| 385 checkappend(added, fn) | |
| 386 elif type == 'r': | |
| 387 checkappend(unknown, fn) | |
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388 elif not self.ignore(fn) and match(fn): |
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389 unknown.append(fn) |
| 1183 | 390 # return false because we've already handled all cases above. |
| 391 # there's no need for the walking code to process the file | |
| 392 # any further. | |
| 393 return False | |
| 536 | 394 |
| 1183 | 395 # because our statmatch always returns false, self.walk will only |
| 396 # return files in the dirstate map that are not present in the FS. | |
| 397 # But, we still need to iterate through the results to force the | |
| 398 # walk to complete | |
| 399 for src, fn in self.walkhelper(files, statmatch, dc): | |
| 400 pass | |
| 401 | |
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402 # there may be patterns in the .hgignore file that prevent us |
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403 # from examining entire directories in the dirstate map, so we |
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404 # go back and explicitly examine any matching files we've |
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405 # ignored |
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406 unexamined = [fn for fn in dc.iterkeys() |
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407 if self.ignore(fn) and match(fn)] |
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408 |
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409 for src, fn in self.walkhelper(unexamined, statmatch, dc): |
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410 pass |
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411 |
| 1183 | 412 # anything left in dc didn't exist in the filesystem |
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413 for fn, c in dc.iteritems(): |
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414 if not match(fn): continue |
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415 if c[0] == 'r': |
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416 removed.append(fn) |
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417 else: |
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418 deleted.append(fn) |
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419 return (lookup, modified, added, removed + deleted, unknown) |