#!/bin/bash
# We depend on dm_mod being loaded
[ "$1" = "-d" ] && echo dm
# No point trying to support lvm if the binaries are missing
which lvm >/dev/null 2>&1 || exit 1
. $dracutfunctions
[[ $debug ]] && set -x
is_lvm() { [[ $(get_fs_type /dev/block/$1) = LVM2_member ]]; }
[[ $1 = '-h' ]] && {
rootdev=$(find_root_block_device)
if [[ $rootdev ]]; then
# root lives on a block device, so we can be more precise about
# hostonly checking
check_block_and_slaves is_lvm "$rootdev" || exit 1
else
# root is not on a block device, use the shotgun approach
blkid | grep -q LVM2_member || exit 1
fi
}
exit 0
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