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|
#!/bin/sh
# check-kernel #VERSION#
verwendung() {
>&2 echo 'check-kernel checks if the installed kernel is currently running'
>&2 echo ''
>&2 echo 'Usage: check-kernel [OPTIONS]'
>&2 echo ' -r,--reboot reboot system if installed kernel is not yet running'
>&2 echo \
'#HELPTEXT# #'
exit 1
}
eval set -- "$(
getopt -o r \
--long reboot \
--long help \
--long version \
-n "$(basename "$0")" -- "$@" \
|| echo verwendung
)"
reboot=false
while true; do
case "$1" in
-r|--reboot)
reboot=true
;;
--help)
verwendung 0
;;
--version)
echo '#VERSION#'
exit 0
;;
--)
shift
break
;;
*)
>&2 echo "FEHLER: Verstehe Option \"$1\" doch nicht! Ich beende."
verwendung
;;
esac
shift
done
if which pacman >/dev/null 2>&1; then
# arch linux
running=$(
uname -r | \
sed '
s|-ARCH$||
'
)
installed=$(
pacman -Q linux | \
cut -d' ' -f2
)
elif which apt >/dev/null 2>&1; then
# debian
running=$(
uname -r
)
installed=$(
dpkg-query -W 'linux-image-*' | \
cut -f1 | \
sed '
s|^linux-image-||
' | \
grep -x '\([0-9.]\+-\)\{2\}[^-]\+' | \
sort -V | \
tail -n1
)
else
>&2 printf 'Cannot determin installed kernel.\n'
exit 2
fi
if [ "${running}" = "${installed}" ]; then
if ! ${reboot}; then
>&2 printf 'The installed kernel (%s) is currently running.\n' \
"${installed}"
fi
exit 0
else
>&2 printf 'The installed (%s) and running kernel (%s) differ.\n' \
"${installed}" \
"${running}"
if ${reboot}; then
>&2 printf 'Press enter to reboot ...'
read s
if [ -z "${s}" ]; then
reboot
fi
else
exit 1
fi
fi
|
