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#!/bin/sh
set -e
if [ "$1" = "install" ] || [ "$1" = "upgrade" ]; then
msg=
for d in bin lib lib32 lib64 libo32 libx32 sbin; do
if [ -L "$DPKG_ROOT/$d" ]; then
if [ "$(readlink "$DPKG_ROOT/$d")" != "usr/$d" ]; then
msg="/$d is a symbolic link and not pointing at usr/$d exactly"
elif [ ! -d "$DPKG_ROOT/usr/$d" ]; then
msg="/$d is a dangling symbolic link"
fi
msg2="This is an unexpected situation. Cannot proceed with the upgrade"
elif [ -d "$DPKG_ROOT/$d" ]; then
msg="/$d is a directory, but should be a symbolic link"
msg2="Please install the usrmerge package to convert this system to merged-/usr"
fi
if [ -n "$msg" ]; then
cat <<EOF
******************************************************************************
*
* The base-files package cannot be installed because
* $msg.
*
* $msg2.
*
* For more information please read https://wiki.debian.org/UsrMerge.
*
******************************************************************************
EOF
exit 1
fi
done
for d in #USR_MERGE_MULTILIB#; do
# Install DEP17 M4 protective diversions
dpkg-divert --quiet --package base-files --add --no-rename --divert "/.$d.usr-is-merged" "/$d"
done
fi
#DEBHELPER#
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