/usr/share/initramfs-tools/hooks/cryptroot-unlock is in cryptsetup 2:2.0.2-1ubuntu1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 | #!/bin/sh
PREREQ=""
prereqs()
{
echo "$PREREQ"
}
case "$1" in
prereqs)
prereqs
exit 0
;;
esac
cp -p /usr/share/cryptsetup/initramfs/bin/cryptroot-unlock "$DESTDIR/bin/cryptroot-unlock"
if [ -f /etc/initramfs-tools/etc/motd ]; then
cp /etc/initramfs-tools/etc/motd "$DESTDIR/etc/motd"
else
cat >>"$DESTDIR/etc/motd" <<- EOF
To unlock root partition, and maybe others like swap, run \`cryptroot-unlock\`
EOF
fi
|