Mercurial > hg > pyhgsh
annotate mercurial/filelog.py @ 1453:6fbb13b7a59f
get command defaults from hgrc
| author | TK Soh <teekaysoh@yahoo.com> |
|---|---|
| date | Wed, 26 Oct 2005 16:10:36 -0700 |
| parents | 30ab5b8ee8ec |
| children | 8ca9f5b17257 |
| rev | line source |
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| 1089 | 1 # filelog.py - file history class for mercurial |
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2 # |
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3 # Copyright 2005 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 |
| 1089 | 8 import os |
| 262 | 9 from revlog import * |
| 10 from demandload import * | |
| 1089 | 11 demandload(globals(), "bdiff") |
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12 |
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13 class filelog(revlog): |
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14 def __init__(self, opener, path): |
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15 revlog.__init__(self, opener, |
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16 os.path.join("data", self.encodedir(path + ".i")), |
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17 os.path.join("data", self.encodedir(path + ".d"))) |
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18 |
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19 # This avoids a collision between a file named foo and a dir named |
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20 # foo.i or foo.d |
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21 def encodedir(self, path): |
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22 return (path |
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23 .replace(".hg/", ".hg.hg/") |
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24 .replace(".i/", ".i.hg/") |
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25 .replace(".d/", ".d.hg/")) |
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26 |
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27 def decodedir(self, path): |
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28 return (path |
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29 .replace(".d.hg/", ".d/") |
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30 .replace(".i.hg/", ".i/") |
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31 .replace(".hg.hg/", ".hg/")) |
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32 |
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33 def read(self, node): |
| 360 | 34 t = self.revision(node) |
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35 if not t.startswith('\1\n'): |
| 360 | 36 return t |
| 37 s = t.find('\1\n', 2) | |
| 38 return t[s+2:] | |
| 39 | |
| 40 def readmeta(self, node): | |
| 41 t = self.revision(node) | |
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42 if not t.startswith('\1\n'): |
| 1116 | 43 return {} |
| 360 | 44 s = t.find('\1\n', 2) |
| 45 mt = t[2:s] | |
| 1116 | 46 m = {} |
| 360 | 47 for l in mt.splitlines(): |
| 48 k, v = l.split(": ", 1) | |
| 49 m[k] = v | |
| 50 return m | |
| 51 | |
| 52 def add(self, text, meta, transaction, link, p1=None, p2=None): | |
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53 if meta or text.startswith('\1\n'): |
| 360 | 54 mt = "" |
| 55 if meta: | |
| 56 mt = [ "%s: %s\n" % (k, v) for k,v in meta.items() ] | |
| 57 text = "\1\n" + "".join(mt) + "\1\n" + text | |
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58 return self.addrevision(text, transaction, link, p1, p2) |
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59 |
| 1116 | 60 def renamed(self, node): |
| 61 if 0 and self.parents(node)[0] != nullid: | |
| 62 return False | |
| 63 m = self.readmeta(node) | |
| 64 if m and m.has_key("copy"): | |
| 65 return (m["copy"], bin(m["copyrev"])) | |
| 66 return False | |
| 67 | |
| 79 | 68 def annotate(self, node): |
| 199 | 69 |
| 70 def decorate(text, rev): | |
| 436 | 71 return ([rev] * len(text.splitlines()), text) |
| 199 | 72 |
| 73 def pair(parent, child): | |
| 436 | 74 for a1, a2, b1, b2 in bdiff.blocks(parent[1], child[1]): |
| 471 | 75 child[0][b1:b2] = parent[0][a1:a2] |
| 76 return child | |
| 199 | 77 |
| 200 | 78 # find all ancestors |
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79 needed = {node:1} |
| 199 | 80 visit = [node] |
| 81 while visit: | |
| 82 n = visit.pop(0) | |
| 83 for p in self.parents(n): | |
| 84 if p not in needed: | |
| 85 needed[p] = 1 | |
| 86 visit.append(p) | |
| 200 | 87 else: |
| 88 # count how many times we'll use this | |
| 89 needed[p] += 1 | |
| 199 | 90 |
| 200 | 91 # sort by revision which is a topological order |
| 471 | 92 visit = [ (self.rev(n), n) for n in needed.keys() ] |
| 199 | 93 visit.sort() |
| 94 hist = {} | |
| 95 | |
| 471 | 96 for r,n in visit: |
| 199 | 97 curr = decorate(self.read(n), self.linkrev(n)) |
| 98 for p in self.parents(n): | |
| 99 if p != nullid: | |
| 100 curr = pair(hist[p], curr) | |
| 200 | 101 # trim the history of unneeded revs |
| 102 needed[p] -= 1 | |
| 103 if not needed[p]: | |
| 104 del hist[p] | |
| 199 | 105 hist[n] = curr |
| 106 | |
| 436 | 107 return zip(hist[n][0], hist[n][1].splitlines(1)) |