Force-enable cryptsetup in the initramfs

Fixes: https://bugs.kali.org/view.php?id=4945

kali-config/common/hooks/live/kali-hacks.chroot

@@ -10,6 +10,17 @@ fi
 # See https://bugs.kali.org/view.php?id=2392
 systemctl --user enable pulseaudio.service || true
 
+# Enable cryptsetup in the initramfs for later use if the user
+# adds an encrypted persistence partition.
+# This is until https://bugs.debian.org/908220 has a proper fix.
+if [ -e /etc/cryptsetup-initramfs/conf-hook ]; then
+    if grep -q '^#CRYPTSETUP=' /etc/cryptsetup-initramfs/conf-hook; then
+	sed -i -e 's/^#CRYPTSETUP=.*/CRYPTSETUP=y/' /etc/cryptsetup-initramfs/conf-hook
+    else
+	echo "CRYPTSETUP=y" >>/etc/cryptsetup-initramfs/conf-hook
+    fi
+fi
+
 # Disable the udev rules renaming the network interfaces (can also be
 # achieved with kernel command line net.ifnames=0 but we don't have a nice
 # way to set it on the installed system)
@@ -17,6 +28,9 @@ mkdir -p /etc/systemd/network /etc/udev/rules.d
 ln -sf /dev/null /etc/systemd/network/90-mac-for-usb.link
 ln -sf /dev/null /etc/systemd/network/99-default.link
 echo > /etc/udev/rules.d/73-special-net-names.rules
+
+# Rebuild the initramfs to include the last two changes (cryptsetup,
+# network device)
 update-initramfs -u
 
 # Run updatedb to initialize the database for the locate command