chroot management tasks added to makefile

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
+