hgext/largefiles/localstore.py
author Matt Mackall <mpm@selenic.com>
Mon, 13 Oct 2014 14:04:11 -0500
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child 24630 c082a4756ed7
permissions -rw-r--r--
histedit: fix indent The duplicatecopies call should be part of the rebase block.
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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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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.  Failing 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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        self.remote = remote.local()
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        super(localstore, self).__init__(ui, repo, self.remote.url())
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    def put(self, source, hash):
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        if lfutil.instore(self.remote, hash):
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            return
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        lfutil.link(source, lfutil.storepath(self.remote, hash))
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    def exists(self, hashes):
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        retval = {}
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        for hash in hashes:
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            retval[hash] = lfutil.instore(self.remote, hash)
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        return retval
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    def _getfile(self, tmpfile, filename, hash):
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        path = lfutil.findfile(self.remote, hash)
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        if not path:
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            raise basestore.StoreError(filename, hash, self.url,
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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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        storepath = lfutil.storepath(self.remote, expecthash)
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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 references missing %s\n')
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                % (cset, filename, storepath))
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            return True                 # failed
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        if contents:
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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 references corrupted %s\n')
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                    % (cset, filename, storepath))
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                return True             # failed
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        return False