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# Copyright 2009-2010 Gregory P. Ward
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# Copyright 2009-2010 Intelerad Medical Systems Incorporated
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# Copyright 2010-2011 Fog Creek Software
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# Copyright 2010-2011 Unity Technologies
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#
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# This software may be used and distributed according to the terms of the
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# GNU General Public License version 2 or any later version.
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'''store class for local filesystem'''
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import os
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from mercurial import util
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from mercurial.i18n import _
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import lfutil
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import basestore
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class localstore(basestore.basestore):
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'''localstore first attempts to grab files out of the store in the remote
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Mercurial repository. Failling that, it attempts to grab the files from
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the user cache.'''
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def __init__(self, ui, repo, remote):
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url = os.path.join(remote.path, '.hg', lfutil.longname)
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super(localstore, self).__init__(ui, repo, util.expandpath(url))
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self.remote = remote
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def put(self, source, hash):
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util.makedirs(os.path.dirname(lfutil.storepath(self.remote, hash)))
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if lfutil.instore(self.remote, hash):
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return
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lfutil.link(lfutil.storepath(self.repo, hash),
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lfutil.storepath(self.remote, hash))
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def exists(self, hash):
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return lfutil.instore(self.remote, hash)
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def _getfile(self, tmpfile, filename, hash):
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if lfutil.instore(self.remote, hash):
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path = lfutil.storepath(self.remote, hash)
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elif lfutil.inusercache(self.ui, hash):
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path = lfutil.usercachepath(self.ui, hash)
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else:
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raise basestore.StoreError(filename, hash, '',
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_("can't get file locally"))
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fd = open(path, 'rb')
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try:
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return lfutil.copyandhash(fd, tmpfile)
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finally:
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fd.close()
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def _verifyfile(self, cctx, cset, contents, standin, verified):
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filename = lfutil.splitstandin(standin)
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if not filename:
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return False
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fctx = cctx[standin]
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key = (filename, fctx.filenode())
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if key in verified:
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return False
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expecthash = fctx.data()[0:40]
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verified.add(key)
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if not lfutil.instore(self.remote, expecthash):
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self.ui.warn(
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_('changeset %s: %s missing\n'
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' (looked for hash %s)\n')
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% (cset, filename, expecthash))
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return True # failed
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if contents:
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storepath = lfutil.storepath(self.remote, expecthash)
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actualhash = lfutil.hashfile(storepath)
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if actualhash != expecthash:
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self.ui.warn(
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_('changeset %s: %s: contents differ\n'
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' (%s:\n'
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' expected hash %s,\n'
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' but got %s)\n')
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% (cset, filename, storepath, expecthash, actualhash))
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return True # failed
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return False
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