/usr/sbin/update-dpsyco-users-patch is in dpsyco-patch 1.0.36.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 | #!/bin/sh
# DocumentId:	$Id: update-dpsyco-users-patch 2318 2006-07-19 17:58:05Z ola $
# Author:	$Author: ola $
# Date:		$Date: 2006-07-19 19:58:05 +0200 (ons, 19 jul 2006) $
# Summary:
#	Updates the dpsyco base users skeleton, and patch if needed.
#
# Copyright (C) 2001-2004 Ola Lundqvist <opal@debian.org>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
#
# Read the default dpsyco config.
. /etc/dpsyco/defaults.conf
TESTNFS="/ $DHOME /etc"
. /usr/share/dpsyco/checknfs.test
# Users that exist in password file.
EUSERS=$(grep "^[^:]*:[^:]*:$UID_MATCH:" $PWDF | sed -e "s|:.*||g;")
for U in $EUSERS ; do
    if [ -d "$DHOME/$U" ] ; then
	# Old option
	if [ -n "$USERPATCHSRC" ] ; then
	    if [ -d "$USERPATCHSRC" ] ; then
#		dpsyco-patch $USERPATCHSRC $DHOME/$U "$USERSKELSRC" "" alluser.
		dpsyco-patch $USERPATCHSRC $DHOME/$U "$USERSKELSRC" ""
	    fi
	fi
	# New option.
	if [ -n "$USERPATCHSRCS" ] ; then
	    for USERPATCHSRC in $USERPATCHSRCS ; do
		if [ -d "$USERPATCHSRC" ] ; then
#		    dpsyco-patch $USERPATCHSRC $DHOME/$U "$USERSKELSRC" "" alluser.
		    dpsyco-patch $USERPATCHSRC $DHOME/$U "$USERSKELSRC" ""
		fi
	    done
	fi
	# Patches in the skel directory.
	if [ -d "$USERSKELSRC" ] ; then
#	    dpsyco-patch $USERSKELSRC $DHOME/$U "$USERSKELSRC" "-path '$USERSKELSRC/*/$U/*'" user.
	    dpsyco-patch $USERSKELSRC $DHOME/$U "$USERSKELSRC" "-path '$USERSKELSRC/*/$U/*'"
	fi
    fi
done
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