JezK
Edit File: desktop
#!/bin/sh # Try to guess at whether the user would like a desktop installed on their # system. Of course Debian has many users who use it on a wide array of # hardware, so this is tricky, but it's only a default. set -e if ! [ "$NEW_INSTALL" ]; then exit 3 fi arch="$(dpkg --print-architecture)" unmark () { exit 3 } mark () { exit 2 } # A few arches have the lion's share of desktops. common_desktop_architecture () { case "$arch" in i386|amd64|powerpc*) return 0 ;; *) return 1 ;; esac } # On some arches it's almost unheard of to run a desktop, at least using # this task. unlikely_desktop_architecture () { case "$arch" in m68k|s390|s390x|hppa) return 0 ;; *) return 1 ;; esac } # Modern desktops take a lot of ram. enough_ram () { min_ram=64 # MiB ram=$(grep ^MemTotal: /proc/meminfo | { read x y z; echo $y; }) || true # kb # The 4 is a fuzz factor to allow for kernel ram usage. if [ "$ram" ] && [ "$ram" -ge "$(expr $(expr $min_ram - 4) \* 1024)" ]; then return 0 else return 1 fi } # The desktop task requires 2 gb or so of disk in /usr, and .5 in /var for # the debs. # FIXME: this should really be generalised and used for tasksel to not # suggest any task for which there is not enough disk. enough_disk () { min_disk=3 disk=$(df -P /usr | tail -1 | awk '{print $4}') if [ "$disk" ] && [ "$disk" -ge "$(expr $min_disk \* 1024 \* 1024)" ]; then return 0 else return 1 fi } desktop_hardware () { if which laptop-detect >/dev/null 2>&1 && \ laptop-detect; then # Nearly always appropriate to include a desktop. return 0 else # TODO: test for the existence of a framebuffer and a mouse. # A mouse, in particular, almost always indicates a # desktop. : fi return 1 } rack_hardware () { if which dmidecode >/dev/null 2>&1 && \ dmidecode | grep -q 'Type: Rack Mount Chassis'; then return 0 fi # XXX further heuristics here to avoid selecting the task on # high-end hardware that's intended to be used as a server. # For example, if it has two NICs with link, it's probably a # server. return 1 } if ! enough_ram || ! enough_disk; then unmark fi if desktop_hardware; then mark fi if unlikely_desktop_architecture; then unmark elif common_desktop_architecture; then if rack_hardware; then unmark else mark # probably a desktop ... fi else # XXX further heuristics here : fi unmark