embedded/conf/usermode.conf

# $NetBSD: usermode.conf,v 1.6 2021/07/06 11:49:36 jmcneill Exp $
# NetBSD/usermode customization script used by mkimage

# XXX: BROKEN, needs to be converted to makefs
custom=custom
image=usermode.img
overhead=8 # in MB
sets="base etc modules"
setsdir=/usr/build/release/$(uname -m)/binary/sets
size=0	# in MB
usermodedirs="/var.cow /etc.cow /root.cow /pkgs"

make_fstab() {
cat > ${mnt}/etc/fstab << EOF
# NetBSD/usermode /etc/fstab
/dev/ld0a       /               ffs     ro              1 1
/dev/ld1a	/pkgs		ffs	ro		1 2
ptyfs           /dev/pts        ptyfs   rw
procfs          /proc           procfs  rw
# mount /root as tmpfs on top of existing dir
tmpfs           /root.cow       tmpfs   rw,-s2M         0 0
/root.cow       /root           union   rw,hidden       0 0
# mount /etc as tmpfs on top of existing dir
tmpfs           /etc.cow        tmpfs   rw,-s12M        0 0
/etc.cow        /etc            union   rw,hidden       0 0
# mount /var as tmpfs on top of existing dir
tmpfs           /var.cow        tmpfs   rw,-s32M         0 0
/var.cow        /var            union   rw,hidden       - -
tmpfs           /tmp            tmpfs   rw,-s32M        0 0
/dev/cd0a       /cdrom          cd9660  ro,noauto
EOF
}

customize() {
cat >> ${mnt}/etc/rc.conf << EOF
# make sure we have the right rw filesystem at boot
critical_filesystems_local="/var.cow /var /etc.cow /etc /root.cow /root"

# Add local overrides below
#
dhcpcd=YES
sshd=YES
EOF

echo "${bar} making extra directories ${bar}"
for d in ${usermodedirs}; do
	mkdir -p ${mnt}/${d}
done

echo "${bar} customising /var/tmp ${bar}"
rm -rf ${mnt}/var/tmp
(cd ${mnt}/var && ln -s /tmp tmp)

# package-related stuff
(cat ${mnt}/etc/csh.cshrc;echo "setenv PKG_DBDIR /usr/pkg/.dbdir") > ${tmp}
mv ${tmp} ${mnt}/etc/csh.cshrc
(cat ${mnt}/etc/profile;echo "export PKG_DBDIR=/usr/pkg/.dbdir") > ${tmp}
mv ${tmp} ${mnt}/etc/profile
(echo "PKG_DBDIR=/usr/pkg/.dbdir") > ${tmp}
mv ${tmp} ${mnt}/etc/mk.conf
(cd ${mnt}/usr && ln -s /pkgs/usr/pkg pkg)

# last, customisation stage
if [ -d ${custom} ]; then
	echo "${bar} user customisations from files in ${custom} ${bar}"
	(cd ${custom} && pax -rwpe . ${mnt})
fi

df ${mnt}
}

cleanup() {
}