Mercurial > hg > mercurial-crew-with-dirclash
annotate mercurial/filelog.py @ 4221:6af3df7822ed
merge with crew-stable
author | Thomas Arendsen Hein <thomas@intevation.de> |
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date | Thu, 15 Mar 2007 09:51:44 +0100 |
parents | abaee83ce0a6 |
children | 1b5c38e9d7aa |
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1089 | 1 # filelog.py - file history class for mercurial |
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2 # |
2858 | 3 # Copyright 2005, 2006 Matt Mackall <mpm@selenic.com> |
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4 # |
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5 # This software may be used and distributed according to the terms |
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6 # of the GNU General Public License, incorporated herein by reference. |
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7 |
262 | 8 from revlog import * |
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9 import os |
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10 |
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11 class filelog(revlog): |
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12 def __init__(self, opener, path, defversion=REVLOG_DEFAULT_VERSION): |
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13 revlog.__init__(self, opener, |
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14 "/".join(("data", self.encodedir(path + ".i"))), |
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15 "/".join(("data", self.encodedir(path + ".d"))), |
2072 | 16 defversion) |
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17 |
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18 # This avoids a collision between a file named foo and a dir named |
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19 # foo.i or foo.d |
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20 def encodedir(self, path): |
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21 return (path |
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22 .replace(".hg/", ".hg.hg/") |
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23 .replace(".i/", ".i.hg/") |
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24 .replace(".d/", ".d.hg/")) |
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25 |
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26 def decodedir(self, path): |
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27 return (path |
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28 .replace(".d.hg/", ".d/") |
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29 .replace(".i.hg/", ".i/") |
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30 .replace(".hg.hg/", ".hg/")) |
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31 |
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32 def read(self, node): |
360 | 33 t = self.revision(node) |
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34 if not t.startswith('\1\n'): |
360 | 35 return t |
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36 s = t.index('\1\n', 2) |
360 | 37 return t[s+2:] |
38 | |
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39 def _readmeta(self, node): |
360 | 40 t = self.revision(node) |
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41 if not t.startswith('\1\n'): |
1116 | 42 return {} |
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43 s = t.index('\1\n', 2) |
360 | 44 mt = t[2:s] |
1116 | 45 m = {} |
360 | 46 for l in mt.splitlines(): |
47 k, v = l.split(": ", 1) | |
48 m[k] = v | |
49 return m | |
50 | |
51 def add(self, text, meta, transaction, link, p1=None, p2=None): | |
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52 if meta or text.startswith('\1\n'): |
360 | 53 mt = "" |
54 if meta: | |
55 mt = [ "%s: %s\n" % (k, v) for k,v in meta.items() ] | |
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56 text = "\1\n%s\1\n%s" % ("".join(mt), text) |
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57 return self.addrevision(text, transaction, link, p1, p2) |
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58 |
1116 | 59 def renamed(self, node): |
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60 if self.parents(node)[0] != nullid: |
1116 | 61 return False |
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62 m = self._readmeta(node) |
1116 | 63 if m and m.has_key("copy"): |
64 return (m["copy"], bin(m["copyrev"])) | |
65 return False | |
66 | |
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67 def size(self, rev): |
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68 """return the size of a given revision""" |
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69 |
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70 # for revisions with renames, we have to go the slow way |
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71 node = self.node(rev) |
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72 if self.renamed(node): |
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73 return len(self.read(node)) |
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74 |
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75 return revlog.size(self, rev) |
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76 |
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77 def cmp(self, node, text): |
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78 """compare text with a given file revision""" |
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79 |
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80 # for renames, we have to go the slow way |
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81 if self.renamed(node): |
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82 t2 = self.read(node) |
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83 return t2 != text |
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84 |
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85 return revlog.cmp(self, node, text) |