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/.
8 dpkg-query -Wf '${Package} ${Priority}\n' | grep ' required' | sed 's/ required//' > /tmp/list_white_unsorted
10 path="${aptmark_dir}/${target}"
11 cat "${path}" | while read line; do
12 if [ ! $(echo "${line}" | cut -c1) = "#" ]; then
13 echo "${line}" >> /tmp/list_white_unsorted
17 sort /tmp/list_white_unsorted > /tmp/list_white
18 dpkg-query -Wf '${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
26 # Somehow, auto-mounts get undone by all of this, so re-mount /etc/fstab.