#!/bin/sh
# See deb-postinst(5).
set -e
PROGNAME=dpkg
. /usr/share/dpkg/sh/dpkg-error.sh
setup_colors
get_vendor()
{
local origin="$DPKG_ROOT/etc/dpkg/origins/default"
local vendor
if [ -n "$DEB_VENDOR" ]; then
vendor="$DEB_VENDOR"
elif [ -e "$origin" ]; then
vendor=$(sed -ne 's/^Vendor: *\([^ ]\+\) */\1/p' "$origin" | tr A-Z a-z)
fi
echo "${vendor:-default}"
}
check_merged_usr_via_aliased_dirs()
{
local vendor
vendor=$(get_vendor)
case "$vendor" in
debian)
# In Debian some people have gotten so offended by the following _warning_
# that they have resorted to bullying and abuse. Life's too short, sorry.
return
;;
ubuntu)
# Ubuntu does not seem interested in it.
return
;;
esac
for d in /bin /sbin /lib /lib32 /libo32 /libx32 /lib64; do
linkname="$(readlink $DPKG_ROOT$d || true)"
if [ "$linkname" = "usr$d" ] || [ "$linkname" = "/usr$d" ]; then
warning "This system uses merged-usr-via-aliased-dirs, going behind dpkg's"
warning "back, breaking its core assumptions. This can cause silent file"
warning "overwrites and disappearances, and its general tools misbehavior."
warning "See