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      1 # $NetBSD: usermode.conf,v 1.7 2023/09/27 00:24:13 riastradh Exp $
      2 # NetBSD/usermode customization script used by mkimage
      3 
      4 # XXX: BROKEN, needs to be converted to makefs
      5 custom=custom
      6 image=usermode.img
      7 overhead=8 # in MB
      8 sets="base etc modules"
      9 setsdir=/usr/build/release/$(uname -m)/binary/sets
     10 size=0	# in MB
     11 usermodedirs="/var.cow /etc.cow /root.cow /pkgs"
     12 
     13 make_fstab() {
     14 cat > ${mnt}/etc/fstab << EOF
     15 # NetBSD/usermode /etc/fstab
     16 /dev/ld0a       /               ffs     ro              1 1
     17 /dev/ld1a	/pkgs		ffs	ro		1 2
     18 ptyfs           /dev/pts        ptyfs   rw
     19 procfs          /proc           procfs  rw
     20 # mount /root as tmpfs on top of existing dir
     21 tmpfs           /root.cow       tmpfs   rw,-s2M         0 0
     22 /root.cow       /root           union   rw,hidden       0 0
     23 # mount /etc as tmpfs on top of existing dir
     24 tmpfs           /etc.cow        tmpfs   rw,-s12M        0 0
     25 /etc.cow        /etc            union   rw,hidden       0 0
     26 # mount /var as tmpfs on top of existing dir
     27 tmpfs           /var.cow        tmpfs   rw,-s32M         0 0
     28 /var.cow        /var            union   rw,hidden       - -
     29 tmpfs           /tmp            tmpfs   rw,-s32M        0 0
     30 /dev/cd0a       /cdrom          cd9660  ro,noauto
     31 EOF
     32 }
     33 
     34 customize() {
     35 cat >> ${mnt}/etc/rc.conf << EOF
     36 # make sure we have the right rw filesystem at boot
     37 critical_filesystems_local="/var.cow /var /etc.cow /etc /root.cow /root"
     38 
     39 # Add local overrides below
     40 #
     41 dhcpcd=YES
     42 sshd=YES
     43 certctl_init=YES
     44 EOF
     45 
     46 echo "${bar} making extra directories ${bar}"
     47 for d in ${usermodedirs}; do
     48 	mkdir -p ${mnt}/${d}
     49 done
     50 
     51 echo "${bar} customising /var/tmp ${bar}"
     52 rm -rf ${mnt}/var/tmp
     53 (cd ${mnt}/var && ln -s /tmp tmp)
     54 
     55 # package-related stuff
     56 (cat ${mnt}/etc/csh.cshrc;echo "setenv PKG_DBDIR /usr/pkg/.dbdir") > ${tmp}
     57 mv ${tmp} ${mnt}/etc/csh.cshrc
     58 (cat ${mnt}/etc/profile;echo "export PKG_DBDIR=/usr/pkg/.dbdir") > ${tmp}
     59 mv ${tmp} ${mnt}/etc/profile
     60 (echo "PKG_DBDIR=/usr/pkg/.dbdir") > ${tmp}
     61 mv ${tmp} ${mnt}/etc/mk.conf
     62 (cd ${mnt}/usr && ln -s /pkgs/usr/pkg pkg)
     63 
     64 # last, customisation stage
     65 if [ -d ${custom} ]; then
     66 	echo "${bar} user customisations from files in ${custom} ${bar}"
     67 	(cd ${custom} && pax -rwpe . ${mnt})
     68 fi
     69 
     70 df ${mnt}
     71 }
     72 
     73 cleanup() {
     74 }
     75