plomlompom.com Git - config/blob - bookworm/setup_scripts/purge_nonrequireds.sh

   1 #!/bin/sh
   2 # This script removes all Debian packages that are not of Priority
   3 # "required" or not depended on by packages of priority "required"
   4 # or not listed in the argument-selected files of apt-mark/.
   5 set -e
   6 . ./misc.sh
   7
   8 dpkg-query -Wf '${Package} ${Priority}\n' | grep ' required' | sed 's/ required//' > /tmp/list_white_unsorted
   9 for target in "$@"; do
  10     path="${aptmark_dir}/${target}"
  11     cat "${path}" | while read line; do
  12         if [ ! $(echo "${line}" | cut -c1) = "#" ]; then
  13             echo "${line}" >> /tmp/list_white_unsorted
  14         fi
  15     done
  16 done
  17 sort /tmp/list_white_unsorted > /tmp/list_white
  18 dpkg-query -Wf '${Package}\n' > /tmp/list_all_packages
  19 sort /tmp/list_all_packages > /tmp/foo
  20 mv /tmp/foo /tmp/list_all_packages
  21 comm -3 /tmp/list_all_packages /tmp/list_white > /tmp/list_black
  22 apt-mark auto `cat /tmp/list_black`
  23 DEBIAN_FRONTEND=noninteractive apt-get -y --purge autoremove
  24 rm /tmp/list_all_packages /tmp/list_white_unsorted /tmp/list_white /tmp/list_black
  25
  26 # Somehow, auto-mounts get undone by all of this, so re-mount /etc/fstab.
  27 # TODO: Find out why.
  28 mount -a