upstream/mercurial-mirror Files · mercurial/cacheutil.py

testing: add file storage integration for bad hashes and censoring...

testing: add file storage integration for bad hashes and censoring In order to implement these tests, we need a backdoor to write data into storage backends while bypassing normal checks. We invent a callable to do that. As part of writing the tests, I found a bug with censorrevision() pretty quickly! After calling censorrevision(), attempting to access revision data for an affected node raises a cryptic error related to malformed compression. This appears to be due to the revlog not adjusting delta chains as part of censoring. I also found a bug with regards to hash verification and revision fulltext caching. Essentially, we cache the fulltext before hash verification. If we look up the fulltext after a failed hash verification, we don't get a hash verification exception. Furthermore, the behavior of revision(raw=True) can be inconsistent depending on the order of operations. I'll be fixing both these bugs in subsequent commits. Differential Revision: https://phab.mercurial-scm.org/D4865

Boris Feld - - Load All Authors

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      # scmutil.py - Mercurial core utility functions

      #

      #  Copyright Matt Mackall <mpm@selenic.com> and other

      #

      # This software may be used and distributed according to the terms of the

      # GNU General Public License version 2 or any later version.

      from __future__ import absolute_import

      from . import repoview

      def cachetocopy(srcrepo):

          """return the list of cache file valuable to copy during a clone"""

          # In local clones we're copying all nodes, not just served

          # ones. Therefore copy all branch caches over.

          cachefiles = ['branch2']

          cachefiles += ['branch2-%s' % f for f in repoview.filtertable]

          cachefiles += ['rbc-names-v1', 'rbc-revs-v1']

          cachefiles += ['tags2']

          cachefiles += ['tags2-%s' % f for f in repoview.filtertable]

          cachefiles += ['hgtagsfnodes1']

          return cachefiles

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				# scmutil.py - Mercurial core utility functions
				#
				# Copyright Matt Mackall <mpm@selenic.com> and other
				#
				# This software may be used and distributed according to the terms of the
				# GNU General Public License version 2 or any later version.
				from __future__ import absolute_import

				from . import repoview

				def cachetocopy(srcrepo):
				"""return the list of cache file valuable to copy during a clone"""
				# In local clones we're copying all nodes, not just served
				# ones. Therefore copy all branch caches over.
				cachefiles = ['branch2']
				cachefiles += ['branch2-%s' % f for f in repoview.filtertable]
				cachefiles += ['rbc-names-v1', 'rbc-revs-v1']
				cachefiles += ['tags2']
				cachefiles += ['tags2-%s' % f for f in repoview.filtertable]
				cachefiles += ['hgtagsfnodes1']
				return cachefiles