From bb6fa2ee69745c99788c2ec15d2d998574611771 Mon Sep 17 00:00:00 2001
From: Aditya <bluenerd@protonmail.com>
Date: Mon, 9 Jan 2023 15:53:14 +0530
Subject: [PATCH] Add 7.3 - prepare virtual kernel filesystems

---
 scripts/chapter7/7.3-prepare-virtual-fs.sh | 15 +++++++++++++++
 scripts/main.sh                            | 19 +++++++++++++++++++
 2 files changed, 34 insertions(+)
 create mode 100644 scripts/chapter7/7.3-prepare-virtual-fs.sh

diff --git a/scripts/chapter7/7.3-prepare-virtual-fs.sh b/scripts/chapter7/7.3-prepare-virtual-fs.sh
new file mode 100644
index 0000000..e7adbd3
--- /dev/null
+++ b/scripts/chapter7/7.3-prepare-virtual-fs.sh
@@ -0,0 +1,15 @@
+#!/bin/bash
+
+mkdir -pv $LFS/{dev,proc,sys,run}
+
+mount -v --bind /dev $LFS/dev
+
+mount -v --bind /dev/pts $LFS/dev/pts
+mount -vt proc proc $LFS/proc
+mount -vt sysfs sysfs $LFS/sys
+mount -vt tmpfs tmpfs $LFS/run
+
+if [ -h $LFS/dev/shm ]; then
+  mkdir -pv $LFS/$(readlink $LFS/dev/shm)
+fi
+
diff --git a/scripts/main.sh b/scripts/main.sh
index add3840..7d2c780 100644
--- a/scripts/main.sh
+++ b/scripts/main.sh
@@ -401,3 +401,22 @@ echo "Chapter 7"
 echo "Changing ownership to root"
 su -c "bash $PWD/chapter7/7.2-changing-ownership.sh"
 
+# Exit on error
+check_exit_code
+if [ $exit_status -ne 0 ]
+then
+	stop_script "chapter7/7.2-changing-ownership.sh"
+fi
+
+# Chapter 7.3
+# ===========
+echo "Preparing virtual kernel filesystems"
+su -c "bash $PWD/chapter7/7.3-prepare-virtual-fs.sh"
+
+# Exit on error 
+check_exit_code
+if [ $exit_status -ne 0 ]
+then
+	stop_script "chapter7/7.3-prepare-virtual-fs.sh"
+fi
+