plomlompom.com Git - config/blob - all_new_2018/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
   7 config_tree_prefix="${HOME}/config/all_new_2018/apt-mark/"
   8
   9 dpkg-query -Wf '${Package} ${Priority}\n' | grep ' required' | sed 's/ required//' > /tmp/list_white_unsorted
  10 for target in "$@"; do
  11     path="${config_tree_prefix}${target}"
  12     cat "${path}" | while read line; do
  13         if [ ! $(echo "${line}" | cut -c1) = "#" ]; then
  14             echo "${line}" >> /tmp/list_white_unsorted
  15         fi
  16     done
  17 done
  18 sort /tmp/list_white_unsorted > /tmp/list_white
  19 dpkg-query -Wf '${Package}\n' > /tmp/list_all_packages
  20 sort /tmp/list_all_packages > /tmp/foo
  21 mv /tmp/foo /tmp/list_all_packages
  22 comm -3 /tmp/list_all_packages /tmp/list_white > /tmp/list_black
  23 apt-mark auto `cat /tmp/list_black`
  24 DEBIAN_FRONTEND=noninteractive apt-get -y --purge autoremove
  25 rm /tmp/list_all_packages /tmp/list_white_unsorted /tmp/list_white /tmp/list_black