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comparison mercurial/hg.py @ 110:c37c7f784ee3

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Move hg from storing files in data with base64 encoding to full pathnames with .i and .d extensions. This means we naturally get good FS layout, and cp and tar fix things up nicely rather than pessimizing layout.
author mpm@selenic.com
date Fri, 20 May 2005 17:27:21 -0800
parents 95699294f580
children 1918852a67a8
comparison
equal deleted inserted replaced
109:95699294f580 110:c37c7f784ee3
3 # Copyright 2005 Matt Mackall <mpm@selenic.com> 3 # Copyright 2005 Matt Mackall <mpm@selenic.com>
4 # 4 #
5 # This software may be used and distributed according to the terms 5 # This software may be used and distributed according to the terms
6 # of the GNU General Public License, incorporated herein by reference. 6 # of the GNU General Public License, incorporated herein by reference.
7 7
8 import sys, struct, sha, socket, os, time, base64, re, urllib2 8 import sys, struct, sha, socket, os, time, re, urllib2
9 import urllib 9 import urllib
10 from mercurial import byterange 10 from mercurial import byterange
11 from mercurial.transaction import * 11 from mercurial.transaction import *
12 from mercurial.revlog import * 12 from mercurial.revlog import *
13 from difflib import SequenceMatcher 13 from difflib import SequenceMatcher
14 14
15 class filelog(revlog): 15 class filelog(revlog):
16 def __init__(self, opener, path): 16 def __init__(self, opener, path):
17 s = self.encodepath(path) 17 revlog.__init__(self, opener, path + ".i", path + ".d")
18 revlog.__init__(self, opener, os.path.join("data", s + "i"),
19 os.path.join("data", s))
20
21 def encodepath(self, path):
22 s = sha.sha(path).digest()
23 s = base64.encodestring(s)[:-3]
24 s = re.sub("\+", "%", s)
25 s = re.sub("/", "_", s)
26 return s
27 18
28 def read(self, node): 19 def read(self, node):
29 return self.revision(node) 20 return self.revision(node)
30 def add(self, text, transaction, link, p1=None, p2=None): 21 def add(self, text, transaction, link, p1=None, p2=None):
31 return self.addrevision(text, transaction, link, p1, p2) 22 return self.addrevision(text, transaction, link, p1, p2)
208 f = os.path.join(p, urllib.quote(path)) 199 f = os.path.join(p, urllib.quote(path))
209 return httprangereader(f) 200 return httprangereader(f)
210 201
211 f = os.path.join(p, path) 202 f = os.path.join(p, path)
212 203
213 if mode != "r" and os.path.isfile(f): 204 if mode != "r":
214 s = os.stat(f) 205 try:
215 if s.st_nlink > 1: 206 s = os.stat(f)
216 file(f + ".tmp", "w").write(file(f).read()) 207 except OSError:
217 os.rename(f+".tmp", f) 208 d = os.path.dirname(f)
209 if not os.path.isdir(d):
210 os.makedirs(d)
211 else:
212 if s.st_nlink > 1:
213 file(f + ".tmp", "w").write(file(f).read())
214 os.rename(f+".tmp", f)
218 215
219 return file(f, mode) 216 return file(f, mode)
220 217
221 return o 218 return o
222 219