-# get grub's syntax for /dev/ice {{{
-# usage example: 'grubdevice /dev/sda2' returns 'hd0,1'
-grubdevice() {
- if [ -z "$1" ] ; then
- echo "Usage: grubdevice <device>">&2
- return 1
- fi
-
- device="$1"
- device_map=$(mktemp)
-
- # create device.map
- if which grub >/dev/null 2>&1 ; then
- echo 'quit' | grub --device-map="$device_map" >/dev/null 2>&1
- elif which grub-mkdevicemap >/dev/null 2>&1 ; then
- grub-mkdevicemap --no-floppy --device-map="$device_map" >/dev/null 2>&1
- else
- echo "Error: neither grub nor grub-mkdevicemap command found." >&2
- return 1
- fi
-
- # based on code from d-i's trunk/packages/arch/i386/grub-installer/grub-installer:
- tmp_disk=$(echo "$device" | sed -e 's%\(\(s\|h\|v\|xv\)d[a-z]\)[0-9]*$%\1%' \
- -e 's%\(fd[0-9]*\)$%\1%' \
- -e 's%/part[0-9]*$%/disc%' \
- -e 's%\(c[0-7]d[0-9]*\).*$%\1%' \
- -e 's%\(mmcblk[0-9]d[0-9]*\).*$%\1%' \
- -e 's%\(/mapper/mpath[0-9]\+\)-part[0-9]\+$%\1%')
- tmp_part=$(echo "$device" | sed -e 's%.*/\(s\|h\|v\|xv\)d[a-z]\([0-9]*\)$%\2%' \
- -e 's%.*/fd[0-9]*$%%' \
- -e 's%.*/floppy/[0-9]*$%%' \
- -e 's%.*/\(disc\|part\([0-9]*\)\)$%\2%' \
- -e 's%.*c[0-7]d[0-9]*p*%%' \
- -e 's%.*mmcblk[0-9]d[0-9]*p%%' \
- -e 's%.*/mapper/mpath[0-9]\+-part\([0-9]\+\)%\1%')
- tmp_drive=$(grep -v '^#' $device_map | grep "$tmp_disk *$" | sed 's%.*\([hf]d[0-9][a-g0-9,]*\).*%\1%')
-
- if [ -z "$tmp_drive" ]; then
- echo "Error: $device does not have any corresponding BIOS drive." >&2
- return 1
- fi
-
- case $1 in
- /dev/[sh]d[a-z]) # we expect something like 'hd0'
- echo "$tmp_drive"
- ;;
- *) # we expect something like 'hd0,0'
- echo "$tmp_drive" | sed "s%$%,$(expr $tmp_part - 1)%" # FIXME => md0
- ;;
- esac
- rm -f "$device_map"
-}
-# }}}
-
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