Mercurial > hg > mercurial-crew-with-dirclash
view mercurial/transaction.py @ 602:56d81b303656
Various HTML cleanups
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Various HTML cleanups
From: Edouard Gomez <ed.gomez@free.fr>
Cleaned up the changeset summary table differentiating title cells
from data cells using th and td. Added semantic classes.
Changed the big pre tag into a div that mimics pre tag style
(that is monospace font and white space preformated). This is
required because pre is an inline element, and thus cannot
be the parent of block elements as div (diffblock). I replaced
all these div blocks by a series ul lists as patches can be
seen as lists of changes in versioned files.
If someone has a better semantic to propose, i'd be pleased he
drops me an email about this patch.
- --
Cleaned up the filediff summary table differentiating title cells
from data cells using th and td. Added semantic classes.
- --
Keep style unchanged for changeset template
As promised no changes in style. This one got through my eyes
+ brain checking... sorry.
manifest hash: 68dd5c1ac71aa6a5932fb209d48df5fc0c78643b
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author | mpm@selenic.com |
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date | Sun, 03 Jul 2005 20:33:35 -0800 |
parents | df8a5a0098d4 |
children | 46a8dd3145cc 445970ccf57a |
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# transaction.py - simple journalling scheme for mercurial # # This transaction scheme is intended to gracefully handle program # errors and interruptions. More serious failures like system crashes # can be recovered with an fsck-like tool. As the whole repository is # effectively log-structured, this should amount to simply truncating # anything that isn't referenced in the changelog. # # Copyright 2005 Matt Mackall <mpm@selenic.com> # # This software may be used and distributed according to the terms # of the GNU General Public License, incorporated herein by reference. import os import util class transaction: def __init__(self, report, opener, journal, after = None): self.journal = None # abort here if the journal already exists if os.path.exists(journal): raise "journal already exists - run hg recover" self.report = report self.opener = opener self.after = after self.entries = [] self.map = {} self.journal = journal self.file = open(self.journal, "w") def __del__(self): if self.journal: if self.entries: self.abort() self.file.close() try: os.unlink(self.journal) except: pass def add(self, file, offset): if file in self.map: return self.entries.append((file, offset)) self.map[file] = 1 # add enough data to the journal to do the truncate self.file.write("%s\0%d\n" % (file, offset)) self.file.flush() def close(self): self.file.close() self.entries = [] if self.after: util.rename(self.journal, self.after) else: os.unlink(self.journal) self.journal = None def abort(self): if not self.entries: return self.report("transaction abort!\n") for f, o in self.entries: try: self.opener(f, "a").truncate(o) except: self.report("failed to truncate %s\n" % f) self.entries = [] self.report("rollback completed\n") def rollback(opener, file): for l in open(file).readlines(): f, o = l.split('\0') opener(f, "a").truncate(int(o)) os.unlink(file)