}
# }}}
-# install kernel packages {{{
-kernel() {
+# check if the specified Debian package exists
+package_exists() {
+ output=$(apt-cache show "$1" 2>/dev/null)
+ [ -n "$output" ]
+ return $?
+}
+
+
+# determine the kernel version postfix
+get_kernel_version() {
# do not override $KERNEL if set via config file
- if [ -z "$KERNEL" ] ; then
- if [ "$ARCH" = 'i386' ] ; then
- KERNEL='2.6-686'
- elif [ "$ARCH" = 'amd64' ] ; then
- KERNEL='2.6-amd64'
- fi
+ if [ -n "$KERNEL" ] ; then
+ echo "$KERNEL"
+ return 0
fi
- if [ -n "$KERNEL" ] ; then
- $APTUPDATE
+ case $ARCH in
+ i386) KARCH=i686 ;;
+ amd64) KARCH=amd64 ;;
+ *)
+ echo "Only i386 and amd64 are currently supported" >&2
+ return 1
+ esac
+
+ for KPREFIX in "" "2.6-" ; do # iterate through the kernel prefixes,
+ # currently "" and "2.6-"
+ if package_exists linux-image-${KPREFIX}${KARCH} ; then
+ echo ${KPREFIX}${KARCH}
+ return 0
+ fi
+
+ done
+}
+
+# install kernel packages {{{
+kernel() {
+ $APTUPDATE
+ KVER=$(get_kernel_version)
+ if [ -n "$KVER" ] ; then
# note: install busybox to be able to debug initramfs
- KERNELPACKAGES="linux-image-$KERNEL linux-headers-$KERNEL busybox firmware-linux"
+ KERNELPACKAGES="linux-image-$KVER linux-headers-$KVER busybox firmware-linux"
DEBIAN_FRONTEND=$DEBIAN_FRONTEND $APTINSTALL $KERNELPACKAGES
fi
}