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#!/bin/bash
#
# "dpkg" and "apt-get" wrapper for scratchbox 2:
# All mapping modes are not compatible with all operations that Debian
# package management tools can do; for example, packages must not be
# installed in the "maemo" mode which has been designed for compiling packages.
# This wrapper first checks if the operation is permitted, and executes the
# real tool only if it hasn't been denied by SB2's configuration.
#
# Following tools and operations are controlled here:
# - "dpkg": "-i" and "--install" can be disabled
# - "apt-get": "install" and "upgrade" can be disabled
#
# Copyright (c) 2008 Nokia Corporation.
# All rights reserved.
# Author: Lauri T. Aarnio
#
# Licensed under GPL version 2
args="$*"
prog="$0"
progbase=`basename $0`
function error_not_inside_sb2()
{
echo "SB2: $progbase wrapper: This wrapper can only be used from inside"
echo "the scratchbox 2'ed environment"
exit 1
}
if [ -z "$SBOX_SESSION_DIR" ]
then
error_not_inside_sb2
fi
. $SBOX_SESSION_DIR/sb2-session.conf
if [ -z "$sbox_mapmode" -o -z "$sbox_dir" ]
then
error_not_inside_sb2
fi
# read-in mode-specific settings
if [ -f $sbox_dir/share/scratchbox2/modeconf/sb2rc.$sbox_mapmode ]
then
. $sbox_dir/share/scratchbox2/modeconf/sb2rc.$sbox_mapmode "$progbase"
fi
function deny_operation()
{
echo "SB2: $progbase wrapper: Operation denied in this mode ($sbox_mapmode)"
echo "SB2: $progbase wrapper: You need to use another mode for installing and"
echo "SB2: $progbase wrapper: removing packages (typically the 'emulate' mode will do)"
exit 1
}
case "$progbase" in
(dpkg)
realtool=/usr/bin/dpkg
if [ -n "$SBOX_DPKG_WRAPPER_DENY_INSTALL" ]
then
for i in $args
do
case "$i" in
(-i|--install|-r|--remove)
deny_operation
;;
esac
done
fi
case "$1" in
--print-architecture)
if [ -n "$DEB_HOST_ARCH" ]; then
echo "$DEB_HOST_ARCH"
exit 0
fi
;;
esac
;;
(apt-get)
realtool=/usr/bin/apt-get
if [ -n "$SBOX_APT_GET_WRAPPER_DENY_INSTALL" ]
then
for i in $args
do
case "$i" in
(install|upgrade|remove)
deny_operation
exit 1
;;
esac
done
fi
;;
(*)
echo "SB2: $progbase wrapper: FATAL ERROR: don't know where to find real $progbase"
exit 1
;;
esac
# Default: Ok to execute the real tool
exec $realtool $args
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