upstream/mercurial-mirror Files · hgext/infinitepush/common.py

verify: allow the storage to signal when renames can be tested on `skipread`...

verify: allow the storage to signal when renames can be tested on `skipread` This applies the new marker in the lfs handler to show it in action, and adds the test mentioned at the beginning of the series to show that fulltext isn't necessary in the LFS case. The existing `skipread` isn't enough, because it is also set if an error occurs reading the revlog data, or the data is censored. It could probably be cleared, but then it technically violates the interface contract. That wouldn't matter for the existing verify algorithm, but it isn't clear how that will change as alternate storage support is added. The flag is probably pretty revlog specific, given the comments in verify.py. But there's already filelog specific stuff in there and I'm not sure what future storage will bring, so I don't want to over-engineer this. Likewise, I'm not sure that we want the verify method for each storage type to completely drive the bus when it comes to detecting renames, so I don't want to go down the rabbithole of having verifyintegrity() return metadata hints at this point. Differential Revision: https://phab.mercurial-scm.org/D7713

Augie Fackler - - Load All Authors

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      # Copyright 2017 Facebook, Inc.

      #

      # 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

      import os

      from mercurial.node import hex

      from mercurial import (

          error,

          extensions,

          pycompat,

      )

      def isremotebooksenabled(ui):

          return b'remotenames' in extensions._extensions and ui.configbool(

              b'remotenames', b'bookmarks'

          )

      def downloadbundle(repo, unknownbinhead):

          index = repo.bundlestore.index

          store = repo.bundlestore.store

          bundleid = index.getbundle(hex(unknownbinhead))

          if bundleid is None:

              raise error.Abort(b'%s head is not known' % hex(unknownbinhead))

          bundleraw = store.read(bundleid)

          return _makebundlefromraw(bundleraw)

      def _makebundlefromraw(data):

          fp = None

          fd, bundlefile = pycompat.mkstemp()

          try:  # guards bundlefile

              try:  # guards fp

                  fp = os.fdopen(fd, 'wb')

                  fp.write(data)

              finally:

                  fp.close()

          except Exception:

              try:

                  os.unlink(bundlefile)

              except Exception:

                  # we would rather see the original exception

                  pass

              raise

          return bundlefile

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				# Copyright 2017 Facebook, Inc.
				#
				# 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

				import os

				from mercurial.node import hex

				from mercurial import (
				error,
				extensions,
				pycompat,
				)


				def isremotebooksenabled(ui):
				return b'remotenames' in extensions._extensions and ui.configbool(
				b'remotenames', b'bookmarks'
				)


				def downloadbundle(repo, unknownbinhead):
				index = repo.bundlestore.index
				store = repo.bundlestore.store
				bundleid = index.getbundle(hex(unknownbinhead))
				if bundleid is None:
				raise error.Abort(b'%s head is not known' % hex(unknownbinhead))
				bundleraw = store.read(bundleid)
				return _makebundlefromraw(bundleraw)


				def _makebundlefromraw(data):
				fp = None
				fd, bundlefile = pycompat.mkstemp()
				try: # guards bundlefile
				try: # guards fp
				fp = os.fdopen(fd, 'wb')
				fp.write(data)
				finally:
				fp.close()
				except Exception:
				try:
				os.unlink(bundlefile)
				except Exception:
				# we would rather see the original exception
				pass
				raise

				return bundlefile