upstream/mercurial-mirror Files · hgext/largefiles/wirestore.py

hg: recognize include and exclude patterns when cloning...

hg: recognize include and exclude patterns when cloning This commit teaches clone() to accept arguments defining file patterns to clone. This is the first step in teaching core code about the existence of a narrow clone. Right now, we only perform validation of the arguments and pass additional options into createopts to influence repository creation. Nothing of consequence happens with that creation option yet, however. For now, arbitrary restrictions exist, such as not allowing patterns for shared repos and disabling local copies when patterns are defined. We can potentially lift these restrictions in the future once partial clone/storage support is more flushed out. I figure it is best to reduce the surface area for bugs for the time being. It may seem weird to prefix these arguments with "store." However, clone is effectively pull + update and file patterns could apply to both the store and the working directory. The prefix is there to disambiguate in the future when this function may want to use different sets of patterns for the store and working directory. Differential Revision: https://phab.mercurial-scm.org/D4536

Gregory Szorc - - Load All Authors

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      # Copyright 2010-2011 Fog Creek Software

      #

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

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

      '''largefile store working over Mercurial's wire protocol'''

      from __future__ import absolute_import

      from . import (

          lfutil,

          remotestore,

      )

      class wirestore(remotestore.remotestore):

          def __init__(self, ui, repo, remote):

              cap = remote.capable('largefiles')

              if not cap:

                  raise lfutil.storeprotonotcapable([])

              storetypes = cap.split(',')

              if 'serve' not in storetypes:

                  raise lfutil.storeprotonotcapable(storetypes)

              self.remote = remote

              super(wirestore, self).__init__(ui, repo, remote.url())

          def _put(self, hash, fd):

              return self.remote.putlfile(hash, fd)

          def _get(self, hash):

              return self.remote.getlfile(hash)

          def _stat(self, hashes):

              '''For each hash, return 0 if it is available, other values if not.

              It is usually 2 if the largefile is missing, but might be 1 the server

              has a corrupted copy.'''

              with self.remote.commandexecutor() as e:

                  fs = []

                  for hash in hashes:

                      fs.append((hash, e.callcommand('statlfile', {

                          'sha': hash,

                      })))

                  return {hash: f.result() for hash, f in fs}

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				# Copyright 2010-2011 Fog Creek Software
				#
				# This software may be used and distributed according to the terms of the
				# GNU General Public License version 2 or any later version.

				'''largefile store working over Mercurial's wire protocol'''
				from __future__ import absolute_import

				from . import (
				lfutil,
				remotestore,
				)

				class wirestore(remotestore.remotestore):
				def __init__(self, ui, repo, remote):
				cap = remote.capable('largefiles')
				if not cap:
				raise lfutil.storeprotonotcapable([])
				storetypes = cap.split(',')
				if 'serve' not in storetypes:
				raise lfutil.storeprotonotcapable(storetypes)
				self.remote = remote
				super(wirestore, self).__init__(ui, repo, remote.url())

				def _put(self, hash, fd):
				return self.remote.putlfile(hash, fd)

				def _get(self, hash):
				return self.remote.getlfile(hash)

				def _stat(self, hashes):
				'''For each hash, return 0 if it is available, other values if not.
				It is usually 2 if the largefile is missing, but might be 1 the server
				has a corrupted copy.'''

				with self.remote.commandexecutor() as e:
				fs = []
				for hash in hashes:
				fs.append((hash, e.callcommand('statlfile', {
				'sha': hash,
				})))

				return {hash: f.result() for hash, f in fs}