configs addition for chroot population

.gitignore

@@ -0,0 +1,2 @@
+stage
+logs

configs/etc_group

@@ -0,0 +1,34 @@
+root:x:0:
+bin:x:1:daemon
+sys:x:2:
+kmem:x:3:
+tape:x:4:
+tty:x:5:
+daemon:x:6:
+floppy:x:7:
+disk:x:8:
+lp:x:9:
+dialout:x:10:
+audio:x:11:
+video:x:12:
+utmp:x:13:
+usb:x:14:
+cdrom:x:15:
+adm:x:16:
+messagebus:x:18:
+systemd-journal:x:23:
+input:x:24:
+mail:x:34:
+kvm:x:61:
+systemd-journal-gateway:x:73:
+systemd-journal-remote:x:74:
+systemd-journal-upload:x:75:
+systemd-network:x:76:
+systemd-resolve:x:77:
+systemd-timesync:x:78:
+systemd-coredump:x:79:
+uuidd:x:80:
+systemd-oom:x:81:
+wheel:x:97:
+users:x:999:
+nogroup:x:65534:

configs/etc_passwd

@@ -0,0 +1,14 @@
+root:x:0:0:root:/root:/bin/bash
+bin:x:1:1:bin:/dev/null:/usr/bin/false
+daemon:x:6:6:Daemon User:/dev/null:/usr/bin/false
+messagebus:x:18:18:D-Bus Message Daemon User:/run/dbus:/usr/bin/false
+systemd-journal-gateway:x:73:73:systemd Journal Gateway:/:/usr/bin/false
+systemd-journal-remote:x:74:74:systemd Journal Remote:/:/usr/bin/false
+systemd-journal-upload:x:75:75:systemd Journal Upload:/:/usr/bin/false
+systemd-network:x:76:76:systemd Network Management:/:/usr/bin/false
+systemd-resolve:x:77:77:systemd Resolver:/:/usr/bin/false
+systemd-timesync:x:78:78:systemd Time Synchronization:/:/usr/bin/false
+systemd-coredump:x:79:79:systemd Core Dumper:/:/usr/bin/false
+uuidd:x:80:80:UUID Generation Daemon User:/dev/null:/usr/bin/false
+systemd-oom:x:81:81:systemd Out Of Memory Daemon:/:/usr/bin/false
+nobody:x:65534:65534:Unprivileged User:/dev/null:/usr/bin/false

make.project/arm_chroot.sh

@@ -1,7 +1,7 @@
 #!/bin/bash
 APPNAME="CHROOT VFS SETUP"
 T_SYSROOT=${dir_sysroot}
-
+set -a
 assert_zero() {
 	if [[ "$1" -eq 0 ]]; then 
 		return
@@ -51,12 +51,15 @@ logprint "mounting proc filesystem from to chroot sysroot..."
 is_mounted ${T_SYSROOT}/proc || mount -v -t proc proc ${T_SYSROOT}/proc
 assert_zero $?
 
+logprint "mounting shm"
 # not a symlink on ubuntu
 if [ -h ${T_SYSROOT}/dev/shm ]; then
-	mkdir -vp ${T_SYSROOT}/$(readlink ${T_SYSROOT})/dev/shm
+	mkdir -vp ${T_SYSROOT}/$(readlink "${T_SYSROOT}/dev/shm")
 	assert_zero $?
 else
-	mount -t tmpfs -o nosuid,nodev tmpfs ${T_SYSROOT}/dev/shm
+	is_mounted ${T_SYSROOT}/dev/shm || mount -t tmpfs -o nosuid,nodev tmpfs ${T_SYSROOT}/dev/shm
 fi
 
-
+logprint "mounting rex_embedded for stage3 capability"
+mkdir -p ${T_SYSROOT}/rex_embedded
+is_mounted ${T_SYSROOT}/rex_embedded || mount -v --bind ${project_root} ${T_SYSROOT}/rex_embedded

make.project/build_stage3.sh

@@ -0,0 +1,32 @@
+#!/usr/bin/env bash
+
+# fix an issue with open files limit on some hosts
+ulimit -l unlimited
+
+#ulimit -n 10240 
+ulimit -c unlimited
+
+
+# closely aligns with LFS Ch 5, 6
+T_SYSROOT=${dir_sysroot}
+
+project_root=/rex_embedded
+
+echo "Bootstrapping from MAKE to REX..."
+dir_rex=/rex_embedded/rex.project
+
+# Executes rex from within the chroot.
+/usr/sbin/chroot "${T_SYSROOT}" /usr/bin/env -i \
+	HOME="/" \
+	TERM="$TERM" \
+	COLORTERM=$COLORTERM \
+	PS1='\n(Dark Horse Linux) [ \u @ \H ] << \w >>\n\n[- ' \
+	PATH=/usr/bin:/usr/sbin \
+	project_root="${project_root}" \
+	dir_rex="${dir_rex}" \
+	dir_logs="/${project_root}/logs" \
+	/rex_embedded/stage/rex/rex -v -c ${dir_rex}/x86_64/rex.config -p ${dir_rex}/x86_64/plans/stage3.plan
+	
+
+retVal=$?
+echo "Rex exited with error code '$retVal'."

make.project/disarm_chroot.sh

@@ -46,7 +46,10 @@ is_mounted ${T_SYSROOT}/proc && umount -l ${T_SYSROOT}/proc
 
 # not a symlink on ubuntu
 logprint "Unmounting ${T_SYSROOT}/dev/shm"
-ismounted ${T_SYSROOT}/dev/shm && umount -l {${T_SYSROOT}/dev/shm
+is_mounted ${T_SYSROOT}/dev/shm && umount -l ${T_SYSROOT}/dev/shm
+
+logprint "Unmounting pyrois inside of chroot"
+is_mounted ${T_SYSROOT}/rex_embedded && umount -l ${T_SYSROOT}/rex_embedded
 
 echo
 logprint "You can now safely delete the chroot."

rex.project/x86_64/components/stage2/populate_ug.bash

@@ -0,0 +1,29 @@
+#!/bin/bash
+# Prepares sysroot ownership and perms for chrooting
+# print to stdout, print to log
+# the path where logs are written to
+# note: LOGS_ROOT is sourced from environment
+
+APPNAME="CHROOT PASSWD/GROUPS"
+
+# ISO 8601 variation
+TIMESTAMP="$(date +%Y-%m-%d_%H:%M:%S)"
+
+LOG_DIR="${LOGS_ROOT}/${APPNAME}-${TIMESTAMP}"
+
+# the file to log to
+LOGFILE="${APPNAME}.log"
+
+logprint() {
+	mkdir -p "${LOG_DIR}"
+	echo "[$(date +%Y-%m-%d_%H:%M:%S)] [${APPNAME}] $1" \
+	| tee -a "${LOG_DIR}/${LOGFILE}"
+}
+
+
+logprint "Installing initial users and groups to chroot..."
+cp -f ${dir_configs}/etc_passwd 	${T_SYSROOT}/etc/passwd
+assert_zero $?
+
+cp -f ${dir_configs}/etc_group 		${T_SYSROOT}/etc/group
+assert_zero $?

rex.project/x86_64/components/stage2/prepare_vkfs.bash

@@ -46,6 +46,11 @@ logprint "mounting proc filesystem from to chroot sysroot..."
 is_mounted ${T_SYSROOT}/proc || mount -v -t proc proc ${T_SYSROOT}/proc
 assert_zero $?
 
+logprint "mounting pyrois inside of chroot"
+mkdir -p ${T_SYSROOT}/rex_embedded
+is_mounted ${project_root} || mount -v --bind ${project_root} ${T_SYSROOT}/rex_embedded
+assert_zero $?
+
 # not a symlink on ubuntu
 if [ -h ${T_SYSROOT}/dev/shm ]; then
 	mkdir -vp ${T_SYSROOT}/$(readlink ${T_SYSROOT})/dev/shm

rex.project/x86_64/components/stage3/welcome.bash

@@ -0,0 +1,48 @@
+HORSE=$(cat <<'EOH'
+⠀⠀⠀⠀⠀⠀⢀⠀⠀⣄⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⠀⠀⠀⠀⠀⠀⠘⣦⡀⠘⣆⠈⠛⠻⣗⠶⣶⣤⣄⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⠀⠀⠀⠀⠀⠀⠀⠈⣿⠀⠈⠳⠄⠀⠈⠙⠶⣍⡻⢿⣷⣦⣀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⠀⠀⠀⠀⠀⠀⠀⣰⣿⣧⠀⠀⠀⠀⠀⠀⠀⠈⠻⣮⡹⣿⣿⣷⣦⣄⣀⠀⠀⢀⣸⠃⠀⣆⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⠀⠀⠀⠀⠀⠀⢠⣿⡿⠋⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈⠻⣮⢿⣿⣿⣿⣿⣿⣿⣿⠟⠀⢰⣿⣦⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⠀⠀⠀⠀⠀⢀⣾⣿⠀⠀⠀⠀⠀⠀⠀⣷⠀⢷⠀⠀⠀⠙⢷⣿⣿⣿⣿⣟⣋⣀⣤⣴⣿⣿⣿⣧⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⠀⠀⠀⠀⢀⣼⢿⣿⡀⠀⠀⢀⣀⣴⣾⡟⠀⠈⣇⠀⠀⠀⠈⢻⡙⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⡄⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⠀⠀⠀⠀⣼⡏⠸⣿⣿⣶⣾⣿⡿⠟⠋⠀⠀⠀⢹⡆⠀⠀⠀⠀⠹⡽⣿⣿⣿⣿⣿⣿⣿⣿⡿⠛⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⠀⠀⠀⣰⣿⠀⠀⠀⣀⡿⠛⠉⠀⠀⢿⠀⠀⠀⠘⣿⡄⠀⠀⠀⠀⠑⢹⣿⣿⣿⣿⣿⣿⣿⣿⠇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⠀⠀⠀⣿⣿⣷⣶⣾⠏⠀⠀⠀⠀⠀⠘⣇⠀⠀⠀⢻⡇⠀⠀⠀⠀⠀⠀⠹⣿⣿⣿⣿⣿⡿⠃⠀⣠⡇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⠀⠀⠀⠈⠙⠿⠿⠋⠀⠀⠀⠀⠀⠀⠀⣿⠀⠀⠀⢸⣷⠀⠀⠀⠀⠀⢀⠀⠹⣿⣿⣿⣿⣷⣶⣿⠟⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣿⠀⠀⠀⢸⣿⠀⠀⠀⠀⢀⡞⠀⠀⠈⠛⠻⠿⠿⠯⠥⠤⢄⣀⣀⢀⣀⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣸⣿⠀⠀⠀⢸⡇⠀⠀⠀⢀⡼⠃⠀⠀⠀⠀⠀⣄⠀⠀⠀⠀⠀⠀⠈⠙⠂⠙⠳⢤⣄⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣿⠇⠀⠀⠀⡾⠁⠀⠀⣠⡿⠃⠀⠀⠀⠀⠀⠀⠸⣇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠙⢿⣦⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣼⣿⠀⠀⠀⡸⠃⠀⢀⣴⠟⠁⠀⠀⠀⠀⠀⠀⠀⠀⣿⡆⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠙⣷⣶⣶⣦⣤⣀⡀⠀⠀⠀⠀⠀⠀
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢰⣿⠇⠀⠀⠀⠃⢀⣴⠟⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⢠⣿⠃⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠘⣿⣿⣿⣿⣿⣿⣿⣶⣤⡀⠀⠀
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢠⣿⠏⠀⠀⠀⠀⣰⡟⠁⠀⠀⠀     ⠀⠀⠀⣼⡏⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢸⣧⠙⠻⣿⣿⣿⣿⣿⣿⣦⡀
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣼⡏⠀⠀⢀⡖⢰⠏⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣰⡟⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢠⠟⠀⠀⠀⢸⣿⠀⠀⠈⢿⣿⣿⣿⣿⣿⡿
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢿⡇⠀⠀⣼⠁⠼⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣴⠟⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⡴⠋⠀⠀⠀⠀⣼⡇⠀⠀⣠⣾⣿⣿⣿⣿⠟⠀
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⡄⠘⣇⠀⠀⢻⡄⢠⡄⠀⠀⠀⠀⠀⠀⠀⠀⢀⣤⡴⠃⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣴⠟⠁⠀⠀⠀⢀⣼⠏⠀⣠⣾⣿⣿⡿⣿⡿⠁⠀⠀
+⠀⠀⠀⠀⠀⠀⠀⠀⢀⣾⠁⠀⠘⠂⠀⠀⢳⠀⢳⡀⠀⠀⠀⠀⠀⠀⢀⡼⠁⠀⠀⠀⠀⠀⠀⠀⠀⣀⣤⣾⣿⠃⠀⠀⠀⠀⣠⣾⠃⣠⣾⣿⣿⠿⠋⢰⡟⠀⠀⠀⠀
+⠀⠀⠀⠀⠀⠀⠀⢠⣿⠃⠀⠀⠀⢀⣀⡴⠞⠙⠲⣷⡄⠀⠀⠀⠀⢠⡾⠁⠀⠀⠀⢀⣀⣠⣤⣶⠿⠟⠋⠀⡾⠀⠀⠀⢀⣴⠟⠁⢠⡟⢱⡿⠃⠀⠀⠸⣇⡀⠀⠀⠀
+⠀⠀⠀⠀⠀⢀⡴⠟⠁⠀⣀⡤⠖⠋⠁⠀⠀⠀⠀⣸⠇⠀⠀⠀⣤⠟⠑⠋⠉⣿⠋⠉⠉⠉⠁⣠⠞⠀⠀⠀⡇⠀⠀⢠⡿⠋⠀⠀⠈⠁⡿⠀⠀⠀⠀⠀⠀⠁⠀⠀⠀
+⠀⠀⠀⢀⣾⣏⣤⣶⡾⠛⠉⠀⠀⠀⠀⠀⠀⢀⡼⠃⠀⠀⣠⠞⠁⠀⠀⠀⠀⣿⠀⠀⠀⢀⡼⠃⠀⠀⠀⢸⠇⠀⣰⠟⠀⠀⠀⠀⠀⠐⠃⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⠀⠀⢀⣿⣿⡿⠛⠁⠀⠀⠀⠀⠀⠀⠀⢀⣴⠏⠀⠀⣠⠞⠁⠀⠀⠀⠀⠀⠀⣿⠀⠀⢀⡾⠃⠀⠀⠀⢀⡞⠀⣼⠃⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⠀⠀⣼⣿⡟⠁⠀⠀⠀⠀⠀⠀⠀⠀⢠⣾⣿⣶⣶⠟⠁⠀⠀⠀⠀⠀⠀⠀⠀⣿⠀⠀⣾⠇⠀⠀⠀⢀⣾⣣⣾⠇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⠀⢠⣿⣿⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⢻⣿⣿⣿⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣿⠀⢠⡟⠀⠀⠀⢀⣾⣿⣿⡏⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⢀⣿⣿⡇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢻⣿⣿⡄⢀⣀⡀⠀⠀⠀⠀⠀⠀⢸⡇⠀⣾⠇⠀⠀⣰⣿⣿⣿⠏⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⢸⣿⣿⡇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢿⣿⣿⣿⣿⣿⣦⡀⠀⠀⠀⠀⣾⠀⣰⠟⠀⢀⣼⣿⣿⠛⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⢸⣿⣿⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠘⠿⠿⠿⠿⠿⠿⠃⠀⠀⠀⢸⣿⣶⠏⢀⣴⣿⣿⠏⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⢸⣿⣿⣿⡆⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢠⣾⣿⠃⢠⣿⣿⡿⠃⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⢿⣿⣿⣿⠇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢠⣿⣿⢃⣴⣿⡿⠋⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⠈⠛⠛⠋⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢠⣿⣿⣧⣾⣿⣿⡇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣴⣿⣿⡟⢸⣿⣿⣿⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣴⣿⣿⣿⠁⠀⠀⠈⠉⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠘⠿⠿⠿⠛⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
+EOH
+)
+
+echo
+echo
+echo -e "\e[31m$HORSE\e[0m"
+echo
+echo "Welcome to Pyrois, the build system for Dark Horse Linux."
+echo
+echo "Stage 3, Inside-Out Linux"
+echo

rex.project/x86_64/environments/stage3.env.bash

@@ -0,0 +1,71 @@
+set -a
+# We now do paths relative to / since we are INSIDE $T_SYSROOT
+
+TERM=xterm-256color
+COLORTERM=truecolor
+LC_ALL=C
+
+function echofail() {
+	echo
+	echo "FAILED: $1"
+	echo
+	exit 1
+}
+
+rex_dir="/rex_embedded"
+
+# keeps talking about T_SYSROOT as $LFS
+# wants $LFS path to be a mount
+# needs to be set for any user including root
+
+#2.6
+# sourced from project_config
+T_SYSROOT="/"
+LFS=${T_SYSROOT}
+
+# 4.3 we skip user and group creation, it's expected to be done before
+# you start if you want a different user than you're running as
+# == after that, configure the rex unit for dir creation to use that user
+
+if [ "$(id -u)" -ne 0 ]; then 
+	echo "Not running as root." 
+fi
+
+# 4.4
+
+# The set +h command turns off bash's hash function, which affects caching of paths for executables
+set +h
+
+# ensures newly created files and directories are only writable by their owner, but are readable and executable by anyone
+umask 022
+
+# sets a comptabile machine name description for use when building crosstools that isn't going to be what the host system is using
+# $LFS_TGT is what LFS uses for this
+T_TRIPLET=x86_64-dhl-linux-gnu
+
+# prevents some configure scripts from looking in the wrong place for config.site 
+CONFIG_SITE=/usr/share/config.site
+
+# 4.5
+MAKEFLAGS="-j$(nproc)"
+
+# where the cross-compiler gets installed ($LFS/tools)
+CROSSTOOLS_DIR=/xtools
+TEMP_STAGE_DIR=/source_stage
+# from project_config
+SOURCES_DIR=/rex_embedded/stage/sources
+PATCHES_DIR=/rex_embedded/stage/patches
+LOGS_ROOT=/rex_embedded/logs
+
+# fail the unit in the event of a non-zero value passed
+# used primarily to check exit codes on previous commands
+# also a great convenient place to add in a "press any key to continue"
+assert_zero() {
+	if [[ "$1" -eq 0 ]]; then 
+		return
+	else
+		exit $1
+	fi
+}
+ARCHLIB_DIR=/lib64
+PATH=/usr/bin:/usr/sbin

rex.project/x86_64/plans/stage2.plan

@@ -2,7 +2,7 @@
 	"plan":
 	[
 		{
-			"name":			"welcome", 
+			"name":			"welcome 2", 
 			"dependencies": [ null ],
 			"comment":		"greet the user"
 		},
@@ -100,6 +100,11 @@
 			"name":			"preparing virtual kernel file systems", 
 			"dependencies": [ null ],
 			"comment":		"LFS 11.3-systemd-rc1 Ch. 7.3 (chroot)"
+		},
+		{
+			"name":			"populate initial users and groups", 
+			"dependencies": [ null ],
+			"comment":		"OOO: LFS 11.3-systemd-rc1 Ch. 7.6 (chroot)"
 		}
 	]
 }

rex.project/x86_64/plans/stage3.plan

@@ -0,0 +1,10 @@
+{
+	"plan":
+	[
+		{
+			"name":			"welcome 3", 
+			"dependencies": [ null ],
+			"comment":		"greet the user"
+		}
+	]
+}

rex.project/x86_64/units/stage2.units

@@ -1,7 +1,7 @@
 {
   "units": [
     {
-        "name":         			"welcome",
+        "name":         			"welcome 2",
         "target":       			"components/stage2/welcome.bash",
 		"is_shell_command":			true,
 		"shell_definition":			"bash",
@@ -359,6 +359,24 @@
         "group":        			"root",
 		"supply_environment":		true,
         "environment":  			"environments/stage2.env.bash"
+    },
+    {
+        "name":         			"populate initial users and groups",
+        "target":       			"components/stage2/populate_ug.bash",
+		"is_shell_command":			true,
+		"shell_definition":			"bash",
+		"force_pty":				true,
+		"set_working_directory":	false,
+		"working_directory":		"",
+        "rectify":      			false,
+        "rectifier":    			"",
+        "active":       			true,
+        "required":     			true,
+		"set_user_context": 		true,
+        "user":         			"root",
+        "group":        			"root",
+		"supply_environment":		true,
+        "environment":  			"environments/stage2.env.bash"
     }
  ]
 }

rex.project/x86_64/units/stage3.units

@@ -0,0 +1,22 @@
+{
+  "units": [
+    {
+        "name":         			"welcome 3",
+        "target":       			"components/stage3/welcome.bash",
+		"is_shell_command":			true,
+		"shell_definition":			"bash",
+		"force_pty":				true,
+		"set_working_directory":	false,
+		"working_directory":		"",
+        "rectify":      			false,
+        "rectifier":    			"",
+        "active":       			true,
+        "required":     			true,
+		"set_user_context": 		true,
+        "user":         			"root",
+        "group":        			"root",
+		"supply_environment":		true,
+        "environment":  			"environments/stage3.env.bash"
+    }
+ ]
+}