config/chroot_local-hooks/99-custom-packages-check

   1 #!/bin/sh
   2
   3 set -e
   4
   5 echo "Make sure we install the required custom Tails packages"
   6
   7 # The following packages must be custom Tails versions, which currently is determined by ".0tails" being a substring of the version.
   8 TAILS_PACKAGES="
   9 network-manager
  10 "
  11
  12 package_version() {
  13     dpkg-query --show --showformat='${Version}' "${1}" 2>/dev/null
  14 }
  15
  16 tails_package_installed() {
  17     package_version "${1}" | grep -q "\.0tails"
  18 }
  19
  20 errors=
  21 for p in ${TAILS_PACKAGES}; do
  22     if ! tails_package_installed "${p}"; then
  23         errors="${errors} ${p}"
  24     fi
  25 done
  26
  27 if [ -n "${errors}" ]; then
  28     echo "These packages were expected to be custom Tails versions," \
  29          "but are not:" >&2
  30     for p in ${errors}; do
  31         echo " - ${p} ($(package_version "${p}"))" >&2
  32     done
  33     exit 1
  34 fi