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#!/bin/sh -e
is_mountpoint() {
if mountpoint -q "$1"; then
return 0
fi
return 1 # not a mount point
}
standalone_usr() {
if is_mountpoint /usr; then
return 0
fi
return 1
}
booted_with_initramfs() {
# created by update-initramfs
if [ -d /run/initramfs/ ]; then
return 1
fi
return 0
}
has_initramfs() {
standalone_usr || return 0
booted_with_initramfs || return 0
echo "/usr is a standalone filesystem, this requires using an initramfs."
exit 1
}
case "$1" in
install)
# check the prerequisites on the first install
if [ -z "$2" ]; then
has_initramfs
fi
;;
esac
#DEBHELPER#
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