1 files changed, 91 insertions, 0 deletions
diff --git a/scripts/build/lb_chroot_sysfs b/scripts/build/lb_chroot_sysfs
new file mode 100755
index 000000000..09f26432f
--- /dev/null
+++ b/scripts/build/lb_chroot_sysfs
@@ -0,0 +1,91 @@
+#!/bin/sh
+
+## live-build(7) - System Build Scripts
+## Copyright (C) 2006-2010 Daniel Baumann <daniel@debian.org>
+##
+## live-build comes with ABSOLUTELY NO WARRANTY; for details see COPYING.
+## This is free software, and you are welcome to redistribute it
+## under certain conditions; see COPYING for details.
+
+
+set -e
+
+# Including common functions
+. "${LB_BASE:-/usr/share/live/build}"/scripts/build.sh
+
+# Setting static variables
+DESCRIPTION="$(Echo 'mount /sys')"
+HELP=""
+USAGE="${PROGRAM} {install|remove} [--force]"
+
+Arguments "${@}"
+
+# Ensure that a system is built as root
+lb testroot
+
+# Reading configuration files
+Read_conffiles config/all config/common config/bootstrap config/chroot config/binary config/source
+Set_defaults
+
+# Requiring stage file
+Require_stagefile .stage/config .stage/bootstrap
+
+case "${1}" in
+	install)
+		Echo_message "Begin mounting /sys..."
+
+		# Checking stage file
+		Check_stagefile .stage/chroot_sysfs
+
+		# Checking lock file
+		Check_lockfile .lock
+
+		# Creating lock file
+		Create_lockfile .lock
+
+		if [ "${LB_USE_FAKEROOT}" != "true" ]
+		then
+			# Create mountpoint
+			mkdir -p chroot/sys
+
+			# Mounting /sys
+			${LB_ROOT_COMMAND} mount sysfs-live -t sysfs chroot/sys
+		else
+			rm -rf chroot/sys
+			ln -s /sys chroot/
+		fi
+
+		# Creating stage file
+		Create_stagefile .stage/chroot_sysfs
+		;;
+
+	remove)
+		Echo_message "Begin unmounting /sys..."
+
+		# Checking lock file
+		Check_lockfile .lock
+
+		# Creating lock file
+		Create_lockfile .lock
+
+		if [ "${LB_USE_FAKEROOT}" != "true" ]
+		then
+			# Unmounting /sys
+			#fuser -km chroot/sys
+			if [ -e chroot/sys/class ]
+			then
+				${LB_ROOT_COMMAND} umount chroot/sys
+			fi
+		else
+			rm -rf chroot/sys
+			mkdir -p chroot/sys
+		fi
+
+		# Removing stage file
+		rm -f .stage/chroot_sysfs
+		;;
+
+	*)
+		Usage
+		;;
+esac