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//usr/share/dracut/modules.d/90crypt/check
#!/bin/bash # if cryptsetup is not installed, then we cannot support encrypted devices. which cryptsetup >/dev/null 2>&1 || exit 1 # hostonly checking should only return true if root is on a LUKS device # in some way, but I am too lazy to figure out how to do that. # Instead, fail if we do not have a LUKS device in use somewhere. . $dracutfunctions is_crypt() { [[ $(get_fs_type /dev/block/$1) = crypto_LUKS ]]; } [[ $1 = '-h' ]] && { rootdev=$(find_root_block_device) if [[ $rootdev ]]; then # root lives on a block device, so we can be more precise about # hostonly checking check_block_and_slaves is_crypt "$rootdev" || exit 1 else # root is not on a block device, use the shotgun approach blkid | grep -q crypto\?_LUKS || exit 1 fi } exit 0
