+ with_lines: cat ~/config/ansible/files/apt-mark/browser_environment | sed -e 's/ *#.*$//'
+
+ # Ensure wifi.
+ - name: ensure wifi configuration
+ apt: name={{item}} state=present
+ with_lines: cat ~/config/ansible/files/apt-mark/wifi | sed -e 's/ *#.*$//'
+
+ # Ensure audio/video consumption necessities.
+ - name: ensure multimedia tools
+ apt: name={{item}} state=present
+ with_lines: cat ~/config/ansible/files/apt-mark/multimedia | sed -e 's/ *#.*$//'
+
+ # Ensure hotkeys.
+ #
+ # For some reason, the brightness hotkeys still won't be available unless acpid is restarted (yes, after reboot).
+ - name: ensure hotkeys
+ apt: name={{item}} state=present
+ with_lines: cat ~/config/ansible/files/apt-mark/hotkeys | sed -e 's/ *#.*$//'
+
+ # Remove undesired packages
+ - name: collect desired packages
+ shell: cat files/apt-mark/* | sed -e 's/ *#.*$//' > /tmp/white_list_unsorted && sort /tmp/white_list_unsorted > /tmp/white_list_sorted
+ - name: collect currently installed packages
+ shell: dpkg-query -Wf '${Package}\n' > /tmp/all_unsorted && sort /tmp/all_unsorted > /tmp/all_sorted
+ - name: create black list of packages to mark as automatically installed from the difference between the required packages and the packages currently installed
+ shell: comm -3 /tmp/all_sorted /tmp/white_list_sorted > /tmp/list_black
+ - name: mark all packages from black list as automatically installed
+ shell: apt-mark auto $(cat /tmp/list_black)
+ - name: mark all packages from white list as manually installed
+ shell: apt-mark manual $(cat /tmp/white_list_unsorted)
+ - name: purge all packages automatically installed that are not depended on
+ shell: DEBIAN_FRONTEND=noninteractive apt-get -y --purge autoremove