Mercurial > hg > gitserve

annotate mercurial/changelog.py @ 2072:74d3f5336b66

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Implement revlogng. revlogng results in smaller indexes, can address larger data files, and supports flags and version numbers. By default the original revlog format is used. To use the new format, use the following .hgrc field: [revlog] # format choices are 0 (classic revlog format) and 1 revlogng format=1
author mason@suse.com
date Tue, 04 Apr 2006 16:38:43 -0400
parents 9d2c2e6b32b5
children 5fefab118f7e
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 # changelog.py - changelog 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
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8 from revlog import *
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9 from i18n import gettext as _
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10 from demandload import demandload
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11 demandload(globals(), "os time util")
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12
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13 class changelog(revlog):
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14 def __init__(self, opener, defversion=0):
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15 revlog.__init__(self, opener, "00changelog.i", "00changelog.d",
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16 defversion)
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17
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18 def extract(self, text):
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19 if not text:
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20 return (nullid, "", (0, 0), [], "")
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21 last = text.index("\n\n")
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22 desc = text[last + 2:]
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23 l = text[:last].splitlines()
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24 manifest = bin(l[0])
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25 user = l[1]
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26 date = l[2].split(' ')
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27 time = float(date.pop(0))
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28 try:
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29 # various tools did silly things with the time zone field.
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30 timezone = int(date[0])
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31 except:
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32 timezone = 0
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33 files = l[3:]
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34 return (manifest, user, (time, timezone), files, desc)
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35
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36 def read(self, node):
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37 return self.extract(self.revision(node))
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38
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39 def add(self, manifest, list, desc, transaction, p1=None, p2=None,
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40 user=None, date=None):
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41 if date:
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42 # validate explicit (probably user-specified) date and
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43 # time zone offset. values must fit in signed 32 bits for
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44 # current 32-bit linux runtimes.
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45 try:
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46 when, offset = map(int, date.split(' '))
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47 except ValueError:
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48 raise ValueError(_('invalid date: %r') % date)
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49 if abs(when) > 0x7fffffff:
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50 raise ValueError(_('date exceeds 32 bits: %d') % when)
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51 if abs(offset) >= 43200:
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52 raise ValueError(_('impossible time zone offset: %d') % offset)
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53 else:
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54 date = "%d %d" % util.makedate()
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55 list.sort()
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56 l = [hex(manifest), user, date] + list + ["", desc]
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57 text = "\n".join(l)
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58 return self.addrevision(text, transaction, self.count(), p1, p2)