FM / bug

/usr/share/bug

Name	Size	Mode	Actions
apt/	-	0755	rm
bash-completion/	-	0755	rm
console-setup/	-	0755	rm
console-setup-linux/	-	0755	rm
cron/	-	0755	rm
dbus/	-	0755	rm
file/	-	0755	rm
grub-common/	-	0755	rm
grub-efi-amd64-bin/	-	0755	rm
grub-pc/	-	0755	rm
grub-pc-bin/	-	0755	rm
grub2-common/	-	0755	rm
init-system-helpers/	-	0755	rm
initramfs-tools/	-	0755	rm
keyboard-configuration/	-	0755	rm
libmagic1t64/	-	0755	rm
logrotate/	-	0755	rm
man-db/	-	0755	rm
mdadm/	-	0755	rm
media-types/	-	0755	rm
needrestart/	-	0755	rm
php7.4/	-	0755	rm
php7.4-bcmath/	-	0755	rm
php7.4-cli/	-	0755	rm
php7.4-common/	-	0755	rm
php7.4-curl/	-	0755	rm
php7.4-fpm/	-	0755	rm
php7.4-gd/	-	0755	rm
php7.4-intl/	-	0755	rm
php7.4-json/	-	0755	rm
php7.4-mbstring/	-	0755	rm
php7.4-mysql/	-	0755	rm
php7.4-opcache/	-	0755	rm
php7.4-readline/	-	0755	rm
php7.4-soap/	-	0755	rm
php7.4-xml/	-	0755	rm
php7.4-zip/	-	0755	rm
polkitd/	-	0755	rm
procps/	-	0755	rm
systemd/	-	0755	rm
udev/	-	0755	rm
usb-modeswitch-data/	-	0755	rm
usbutils/	-	0755	rm
vim/	-	0755	rm
vim-tiny/	-	0755	rm
cryptsetup	763	0755	edit dl rm
cryptsetup-bin	763	0755	edit dl rm
cryptsetup-initramfs	763	0755	edit dl rm
dpkg	1209	0755	edit dl rm
libcryptsetup12	763	0755	edit dl rm
multipath-tools	240	0755	edit dl rm
screen	684	0755	edit dl rm

Edit: /usr/share/bug/dpkg (1209B)

#!/bin/sh

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 $d)"
    if [ "$linkname" = "usr$d" ] || [ "$linkname" = "/usr$d" ]; then
      echo "This system uses merged-usr-via-aliased-dirs, going behind dpkg's" >&3
      echo "back, breaking its core assumptions. This can cause silent file" >&3
      echo "overwrites and disappearances, and its general tools misbehavior." >&3
      echo "See <https://wiki.debian.org/Teams/Dpkg/FAQ#broken-usrmerge>." >&3
      break
    fi
  done
}

check_merged_usr_via_aliased_dirs

cmd: