Add a initramfs module that updates the initramfs post install

settings.conf

@@ -43,6 +43,7 @@ install:
 - networkcfg
 - hwclock
 - services
+# - initramfs
 - grubcfg
 - grub
 - umount

src/modules/initramfs/README.md

@@ -0,0 +1,5 @@
+## initramfs module
+
+This module is specific to Debian based distros. Post installation on Debian
+the initramfs needs to be updated so as to not interrupt the boot process
+with a error about fsck.ext4 not being found.

src/modules/initramfs/main.py

@@ -0,0 +1,23 @@
+#!/usr/bin/env python3
+# encoding: utf-8
+# === This file is part of Calamares - <http://github.com/calamares> ===
+#
+#   Copyright 2014, Philip Müller <philm@manjaro.org>
+#
+#   Calamares is free software: you can redistribute it and/or modify
+#   it under the terms of the GNU General Public License as published by
+#   the Free Software Foundation, either version 3 of the License, or
+#   (at your option) any later version.
+#
+#   Calamares is distributed in the hope that it will be useful,
+#   but WITHOUT ANY WARRANTY; without even the implied warranty of
+#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+#   GNU General Public License for more details.
+#
+#   You should have received a copy of the GNU General Public License
+#   along with Calamares. If not, see <http://www.gnu.org/licenses/>.
+
+from libcalamares.utils import check_chroot_call
+
+def run():
+    return check_chroot_call(["update-initramfs", "-k", "all", "-u"])

src/modules/initramfs/module.desc

@@ -0,0 +1,5 @@
+---
+type:       "job"
+name:       "initramfs"
+interface:  "python"
+script:     "main.py"