From 9bfbb8fffc1669fb0f73464fb854f5ff11339f8f Mon Sep 17 00:00:00 2001
From: Mitch Riedstra <mitch@riedstra.us>
Date: Wed, 7 Mar 2018 20:56:25 -0500
Subject: Add system chroot function

---
 mkshrc | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/mkshrc b/mkshrc
index 5306675..37e51de 100644
--- a/mkshrc
+++ b/mkshrc
@@ -328,6 +328,22 @@ startup_zram() {
 	swapon /dev/zram0
 
 }
+# System setup `chroot`, useful mainly on Linux
+syschroot() {
+	CHDIR=$1
+	PROG=$2
+	CUR_PS1="$PS1"
+	PS1="(CHROOT) # "
+	mount -o bind /dev $CHDIR/dev
+	mount -o bind /sys $CHDIR/sys
+	mount -o bind /proc $CHDIR/proc
+	if [ "$PROG" = "/bin/bash" ] ; then
+		PS1="(CHROOT) [ \u@\h \w ] # "
+	fi
+	chroot $CHDIR $PROG
+	umount $CHDIR/dev $CHDIR/sys $CHDIR/proc
+	PS1="$CUR_PS1"
+}
 # Sometimes useful function for unmounting a chroot dir on Linux
 umount_recursive() {
 	case $1 in
-- 
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