Add early preseed

Speeds up development cycle, allows for the pre-kaem stages to be
extracted as a tarball

sysa/after-preseeded.kaem

@@ -0,0 +1,25 @@
+#!/bin/sh
+
+# SPDX-FileCopyrightText: 2021 Andrius Štikonas <andrius@stikonas.eu>
+# SPDX-FileCopyrightText: 2021 Paul Dersey <pdersey@gmail.com>
+# SPDX-FileCopyrightText: 2020-2022 fosslinux <fosslinux@aussies.space>
+# SPDX-FileCopyrightText: 2022 Dor Askayo <dor.askayo@gmail.com>
+#
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+set -ex
+
+# Set commonly used variables
+sysa=/sysa
+distfiles=/sysa/distfiles
+prefix=/usr
+bindir=${prefix}/bin
+libdir=${libdir}/mes
+incdir=${prefix}/include
+srcdir=${prefix}/src
+TMPDIR=/tmp # tmpdir is needed for patch to work
+PATH=${bindir}
+
+cd ${sysa}
+
+exec bash run.sh

sysa/base-preseeded.kaem

@@ -0,0 +1,7 @@
+#!/bin/sh
+
+# SPDX-FileCopyrightText: 2022 fosslinux <fosslinux@aussies.space>
+#
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+/usr/bin/kaem -f /sysa/after-preseeded.kaem