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#! /bin/sh -e
log () {
logger -t grub-installer "$@"
}
error () {
log "error: $@"
}
die () {
local template="$1"
shift
error "$@"
db_input critical "$template" || [ $? -eq 30 ]
db_go || true
exit 1
}
mountvirtfs () {
fstype="$1"
path="$2"
if grep -q "[[:space:]]$fstype\$" /proc/filesystems && \
! grep -q "^[^ ]\+ \+$path " /proc/mounts; then
mkdir -p "$path" || \
die grub-installer/mounterr "Error creating $path"
mount -t "$fstype" "$fstype" "$path" || \
die grub-installer/mounterr "Error mounting $path"
trap "umount $path" HUP INT QUIT KILL PIPE TERM EXIT
fi
}
# If we're installing grub-efi, it wants /sys mounted in the
# target. Maybe /proc too?
mountvirtfs proc /target/proc
mountvirtfs sysfs /target/sys
grub-installer /target
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