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

add: notify when adding a file that would cause a case-folding collision...

add: notify when adding a file that would cause a case-folding collision On a case-sensitive file system, files can be added with names that differ only in case (a "case collision"). This would cause an error on case-insensitive filesystems. A warning or error is now given for such collisions, depending on the value of ui.portablefilenames ('warn', 'abort', or 'ignore'): $ touch file File $ hg add --config ui.portablefilenames=abort File abort: possible case-folding collision for File $ hg add File warning: possible case-folding collision for File

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