chroot management tasks added to makefile

Makefile

@@ -42,12 +42,33 @@ build_stage1:
 build_stage2:
 	sudo /usr/bin/env -i bash -c ". ./project_config.sh && ${dir_make}/build_stage2.sh"
 
+arm_chroot:
+	sudo /usr/bin/env -i bash -c ". ./project_config.sh && ${dir_make}/arm_chroot.sh"
+
+disarm_chroot:
+	sudo /usr/bin/env -i bash -c ". ./project_config.sh && ${dir_make}/disarm_chroot.sh"
+
+enter_chroot:
+	sudo /usr/bin/env -i bash -c ". ./project_config.sh && ${dir_make}/enter_chroot.sh"
+
+#embeds and kicks off rex
+#build_stage3:
+#	sudo /usr/bin/env -i bash -c ". ./project_config.sh && ${dir_make}/build_stage3.sh"
+
 # example:
 # make dirs
 # make install_rex
 # make download_sources
 # make download_patches
 # make build_stage1
+# make build_stage2
+# make arm_chroot
+# make enter_chroot
+
+# Remember, before you make clean or make purge_artifacts you MUST run
+# make disarm_chroot beforehand or you could cause irreversible damage 
+# to your system.  It is recommended that these operations only be 
+# performed on a VM, and the host distribution is only tested on Fedora.
 
 # end dependency loading block
 endif

make.project/arm_chroot.sh

@@ -0,0 +1,62 @@
+#!/bin/bash
+APPNAME="CHROOT VFS SETUP"
+T_SYSROOT=${dir_sysroot}
+
+assert_zero() {
+	if [[ "$1" -eq 0 ]]; then 
+		return
+	else
+		exit $1
+	fi
+}
+
+# ISO 8601 variation
+TIMESTAMP="$(date +%Y-%m-%d_%H:%M:%S)"
+
+LOG_DIR="${dir_logs}/${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}"
+}
+
+is_mounted() {
+	findmnt $1 &> /dev/null
+	if [ $? != 0 ]; then
+		/usr/bin/false
+	else
+		logprint "Already mounted, skipping."
+		/usr/bin/true
+	fi
+}
+
+logprint "CHROOT VFS SETUP"
+
+mkdir -pv ${T_SYSROOT}/{dev,proc,sys,run}
+assert_zero $?
+
+logprint "Bind mounting /dev from host to chroot sysroot..."
+is_mounted ${T_SYSROOT}/dev || mount -v --bind /dev ${T_SYSROOT}/dev
+assert_zero $?
+
+logprint "Bind mounting /dev/pts from host to chroot sysroot..."
+is_mounted ${T_SYSROOT}/dev/pts || mount -v --bind /dev/pts ${T_SYSROOT}/dev/pts
+assert_zero $?
+
+logprint "mounting proc filesystem from to chroot sysroot..."
+is_mounted ${T_SYSROOT}/proc || mount -v -t proc proc ${T_SYSROOT}/proc
+assert_zero $?
+
+# not a symlink on ubuntu
+if [ -h ${T_SYSROOT}/dev/shm ]; then
+	mkdir -vp ${T_SYSROOT}/$(readlink ${T_SYSROOT})/dev/shm
+	assert_zero $?
+else
+	mount -t tmpfs -o nosuid,nodev tmpfs ${T_SYSROOT}/dev/shm
+fi
+
+

make.project/disarm_chroot.sh

@@ -0,0 +1,54 @@
+#!/bin/bash
+APPNAME="CHROOT VKFS SETUP"
+
+# ISO 8601 variation
+TIMESTAMP="$(date +%Y-%m-%d_%H:%M:%S)"
+T_SYSROOT=${dir_sysroot}
+LOG_DIR="${dir_logs}/${APPNAME}-${TIMESTAMP}"
+
+# the file to log to
+LOGFILE="${APPNAME}.log"
+
+assert_zero() {
+	if [[ "$1" -eq 0 ]]; then 
+		return
+	else
+		exit $1
+	fi
+}
+
+logprint() {
+	mkdir -p "${LOG_DIR}"
+	echo "[$(date +%Y-%m-%d_%H:%M:%S)] [${APPNAME}] $1" \
+	| tee -a "${LOG_DIR}/${LOGFILE}"
+}
+
+is_mounted() {
+	findmnt $1 &> /dev/null
+	if [ $? != 0 ]; then
+		logprint "Not mounted, skipping."
+		/usr/bin/false
+	else
+		/usr/bin/true
+	fi
+}
+
+logprint "Unmounting CHROOT VFKS mounts"
+
+logprint "Unmounting ${T_SYSROOT}/dev"
+is_mounted ${T_SYSROOT}/dev && umount -l ${T_SYSROOT}/dev
+
+logprint "Unmounting ${T_SYSROOT}/dev/pts"
+is_mounted ${T_SYSROOT}/dev/pts && umount -l ${T_SYSROOT}/dev/pts
+
+logprint "Unmounting ${T_SYSROOT}/proc"
+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
+
+echo
+logprint "You can now safely delete the chroot."
+echo
+

make.project/enter_chroot.sh

@@ -0,0 +1,32 @@
+#!/bin/bash
+APPNAME="CHROOT VFS SETUP"
+T_SYSROOT=${dir_sysroot}
+
+assert_zero() {
+	if [[ "$1" -eq 0 ]]; then 
+		return
+	else
+		exit $1
+	fi
+}
+
+# ISO 8601 variation
+TIMESTAMP="$(date +%Y-%m-%d_%H:%M:%S)"
+
+LOG_DIR="${dir_logs}/${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}/${LOGFILE}"
+}
+
+/usr/sbin/chroot "${T_SYSROOT}" /usr/bin/env -i   \
+    HOME=/root                  \
+    TERM="$TERM"                \
+    PS1='\n(dark horse linux) [ \u @ \H ] << \w >>\n\n[- ' \
+    PATH=/usr/bin:/usr/sbin     \
+    /bin/bash --login

project_config.sh

@@ -17,7 +17,6 @@ echo "Loading project_config.sh...."
 # this is where the directory for foster is located. serves as the 
 # parent directory for most other directories
 project_root="$(dirname $(readlink -f "${BASH_SOURCE[0]}"))"
-
 # the project files for the make system that is used to orchestrate the 
 # build steps
 dir_make=${project_root}/make.project