FM / hooks

/usr/share/initramfs-tools/hooks

Name	Size	Mode	Actions
amd64_microcode	3856	0755	edit dl rm
bcache	543	0755	edit dl rm
btrfs	701	0755	edit dl rm
cloud-initramfs-dyn-netconf	118	0755	edit dl rm
console_setup	3142	0755	edit dl rm
copymods	280	0755	edit dl rm
cryptgnupg	958	0755	edit dl rm
cryptgnupg-sc	2242	0755	edit dl rm
cryptkeyctl	457	0755	edit dl rm
cryptopensc	1518	0755	edit dl rm
cryptpassdev	888	0755	edit dl rm
cryptroot	15360	0755	edit dl rm
cryptroot-unlock	1010	0755	edit dl rm
dmsetup	506	0755	edit dl rm
fixrtc	436	0755	edit dl rm
framebuffer	579	0755	edit dl rm
fsck	2109	0755	edit dl rm
fuse	231	0755	edit dl rm
intel_microcode	4944	0755	edit dl rm
iscsi	732	0755	edit dl rm
kbd	301	0755	edit dl rm
klibc-utils	646	0755	edit dl rm
kmod	432	0755	edit dl rm
linux-firmware	865	0755	edit dl rm
lvm2	691	0755	edit dl rm
mdadm	2975	0755	edit dl rm
ntfs_3g	304	0755	edit dl rm
overlayroot	732	0755	edit dl rm
plymouth	5823	0755	edit dl rm
resume	3116	0755	edit dl rm
sg3-utils	485	0755	edit dl rm
thermal	1324	0755	edit dl rm
thin-provisioning-tools	369	0755	edit dl rm
udev	1890	0755	edit dl rm
xfs	850	0755	edit dl rm
zz-busybox-initramfs	2233	0755	edit dl rm
zz-dhclient	478	0755	edit dl rm

Edit: /usr/share/initramfs-tools/hooks/cryptroot-unlock (1010B)

#!/bin/sh

prereqs()
{
    # cryptroot-unlock needs to be run last among crypt* since other hooks might include askpass
    local req script
    for req in "${0%/*}"/crypt*; do
        script="${req##*/}"
        if [ "$script" != "${0##*/}" ]; then
            printf '%s\n' "$script"
        fi
    done
}

case "$1" in
    prereqs)
        prereqs
        exit 0
        ;;
esac

if [ ! -f "$DESTDIR/lib/cryptsetup/askpass" ]; then
    # cryptroot-unlock is useless without askpass
    exit 0
fi

. /usr/share/initramfs-tools/hook-functions
if [ ! -f "$DESTDIR/bin/cryptroot-unlock" ] &&
        ! copy_file script /usr/share/cryptsetup/initramfs/bin/cryptroot-unlock /bin/cryptroot-unlock; then
    echo "ERROR: Couldn't copy /bin/cryptroot-unlock" >&2
    exit 1
fi

if [ -f /etc/initramfs-tools/etc/motd ]; then
    copy_file text /etc/initramfs-tools/etc/motd /etc/motd
else
    cat >>"$DESTDIR/etc/motd" <<- EOF
		To unlock root partition, and maybe others like swap, run \`cryptroot-unlock\`.
	EOF
fi

#!/bin/sh prereqs() { # cryptroot-unlock needs to be run last among crypt* since other hooks might include askpass local req script for req in "${0%/*}"/crypt*; do script="${req##*/}" if [ "$script" != "${0##*/}" ]; then printf '%s\n' "$script" fi done } case "$1" in prereqs) prereqs exit 0 ;; esac if [ ! -f "$DESTDIR/lib/cryptsetup/askpass" ]; then # cryptroot-unlock is useless without askpass exit 0 fi . /usr/share/initramfs-tools/hook-functions if [ ! -f "$DESTDIR/bin/cryptroot-unlock" ] && ! copy_file script /usr/share/cryptsetup/initramfs/bin/cryptroot-unlock /bin/cryptroot-unlock; then echo "ERROR: Couldn't copy /bin/cryptroot-unlock" >&2 exit 1 fi if [ -f /etc/initramfs-tools/etc/motd ]; then copy_file text /etc/initramfs-tools/etc/motd /etc/motd else cat >>"$DESTDIR/etc/motd" <<- EOF To unlock root partition, and maybe others like swap, run \`cryptroot-unlock\`. EOF fi