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

largefiles: delegate to the wrapped clone command...

largefiles: delegate to the wrapped clone command This allows the wrapped command's validation code to run (which is currently only to ensure 'noupdate' and 'updaterev' aren't both specified), the copy/pasted unpacking of hg.clone() args to be removed, and any future changes to the base command (however unlikely) to be inherited by largefiles. Unfortunately, the command override can't be swapped entirely for an hg.clone() override because the extra --all-largefiles arg needs to be injected. It also isn't enough to call the wrapped clone command and leave the caching code after it, because the file caching code needs access to the destination repo, which is only available from hg.clone(). An alternative would be to use the dest path in the clone command override to re-obtain a reference to the repo. A slight deviation from the regular hg.clone() function is that the repo is NOT deleted if the caching fails, but that was also the previous behavior. Maybe it should for consistency?

Matt Mackall - - Load All Authors

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      # server.py - inotify common protocol code

      #

      # Copyright 2006, 2007, 2008 Bryan O'Sullivan <bos@serpentine.com>

      # Copyright 2007, 2008 Brendan Cully <brendan@kublai.com>

      #

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

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

      import cStringIO, socket, struct

      """

        Protocol between inotify clients and server:

        Client sending query:

        1) send protocol version number

        2) send query type (string, 4 letters long)

        3) send query parameters:

           - For STAT, N+1 \0-separated strings:

              1) N different names that need checking

              2) 1 string containing all the status types to match

           - No parameter needed for DBUG

        Server sending query answer:

        1) send protocol version number

        2) send query type

        3) send struct.pack'ed headers describing the length of the content:

            e.g. for STAT, receive 9 integers describing the length of the

            9 \0-separated string lists to be read:

             * one file list for each lmar!?ic status type

             * one list containing the directories visited during lookup

      """

      version = 3

      resphdrfmts = {

          'STAT': '>lllllllll', # status requests

          'DBUG': '>l'          # debugging queries

      }

      resphdrsizes = dict((k, struct.calcsize(v))

                          for k, v in resphdrfmts.iteritems())

      def recvcs(sock):

          cs = cStringIO.StringIO()

          s = True

          try:

              while s:

                  s = sock.recv(65536)

                  cs.write(s)

          finally:

              sock.shutdown(socket.SHUT_RD)

          cs.seek(0)

          return cs

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				# server.py - inotify common protocol code
				#
				# Copyright 2006, 2007, 2008 Bryan O'Sullivan <bos@serpentine.com>
				# Copyright 2007, 2008 Brendan Cully <brendan@kublai.com>
				#
				# This software may be used and distributed according to the terms of the
				# GNU General Public License version 2 or any later version.

				import cStringIO, socket, struct

				"""
				Protocol between inotify clients and server:

				Client sending query:
				1) send protocol version number
				2) send query type (string, 4 letters long)
				3) send query parameters:
				- For STAT, N+1 \0-separated strings:
				1) N different names that need checking
				2) 1 string containing all the status types to match
				- No parameter needed for DBUG

				Server sending query answer:
				1) send protocol version number
				2) send query type
				3) send struct.pack'ed headers describing the length of the content:
				e.g. for STAT, receive 9 integers describing the length of the
				9 \0-separated string lists to be read:
				* one file list for each lmar!?ic status type
				* one list containing the directories visited during lookup

				"""

				version = 3

				resphdrfmts = {
				'STAT': '>lllllllll', # status requests
				'DBUG': '>l' # debugging queries
				}
				resphdrsizes = dict((k, struct.calcsize(v))
				for k, v in resphdrfmts.iteritems())

				def recvcs(sock):
				cs = cStringIO.StringIO()
				s = True
				try:
				while s:
				s = sock.recv(65536)
				cs.write(s)
				finally:
				sock.shutdown(socket.SHUT_RD)
				cs.seek(0)
				return cs