linuxrc: move livecd initialization code to livecd_init()

defaults/initrd.scripts

@@ -1550,6 +1550,63 @@ setup_squashfs_aufs() {
 	mount --bind "${CDROOT_PATH}" "${new_cdroot}"
 }
 
+livecd_init() {
+	good_msg "Making tmpfs for ${NEW_ROOT}"
+	mount -n -t tmpfs tmpfs "${NEW_ROOT}"
+
+	local dirs=
+
+	dirs="dev mnt proc run sys tmp mnt/livecd"
+	dirs="${dirs} mnt/key tmp/.initrd mnt/gentoo"
+	for i in ${dirs}; do
+		mkdir -p "${NEW_ROOT}/${i}"
+		chmod 755 "${NEW_ROOT}/${i}"
+	done
+	[ ! -d "${CDROOT_PATH}" ] && mkdir -p "${CDROOT_PATH}"
+	[ ! -e "${NEW_ROOT}/dev/null" ] && mknod "${NEW_ROOT}"/dev/null c 1 3
+	[ ! -e "${NEW_ROOT}/dev/console" ] && \
+		mknod "${NEW_ROOT}"/dev/console c 5 1
+
+	# For SGI LiveCDs ...
+	if [ "${LOOPTYPE}" = "sgimips" ]; then
+		[ ! -e "${NEW_ROOT}/dev/sr0" ] && \
+			mknod "${NEW_ROOT}/dev/sr0" b 11 0
+		[ ! -e "${NEW_ROOT}/dev/loop0" ] && \
+			mknod "${NEW_ROOT}/dev/loop0" b 7 0
+	fi
+
+	# Required for splash to work.  Not an issue with the initrd as this
+	# device isn't created there and is not needed.
+	if [ -e /dev/tty1 ]; then
+		[ ! -e "${NEW_ROOT}/dev/tty1" ] && \
+			mknod "${NEW_ROOT}/dev/tty1" c 4 1
+	fi
+
+	if [ "${REAL_ROOT}" != "/dev/nfs" ] && \
+		[ "${LOOPTYPE}" != "sgimips" ]; then
+		bootstrap_cd
+	fi
+
+	if [ "${REAL_ROOT}" = '' ]
+	then
+		warn_msg "No bootable medium found. Waiting for new devices..."
+		COUNTER=0
+		while [ ${COUNTER} -lt 3 ]; do
+			sleep 3
+			let COUNTER=${COUNTER}+1
+		done
+		sleep 1
+		bootstrap_cd
+	fi
+
+	if [ "${REAL_ROOT}" = '' ]
+	then
+		# leave stale mounts around, make possible to debug
+		bad_msg 'Could not find CD to boot, something else needed!'
+		CDROOT=0
+	fi
+}
+
 get_mounts_list() {
 	awk '
 		/^[[:blank:]]*#/ { next }

defaults/linuxrc

@@ -292,65 +292,8 @@ CHROOT="${NEW_ROOT}"
 # Run debug shell if requested
 rundebugshell "before setting up the root filesystem"
 
-if is_livecd
+# Setup Live system mounts
-then
+is_livecd && livecd_init
-	good_msg "Making tmpfs for ${NEW_ROOT}"
-	mount -n -t tmpfs tmpfs "${NEW_ROOT}"
-
-	for i in dev mnt proc run sys tmp mnt/livecd mnt/key tmp/.initrd mnt/gentoo
-	do
-		mkdir -p "${NEW_ROOT}/${i}"
-		chmod 755 "${NEW_ROOT}/${i}"
-	done
-	[ ! -d "${CDROOT_PATH}" ] && mkdir -p "${CDROOT_PATH}"
-	[ ! -e "${NEW_ROOT}/dev/null" ] && mknod "${NEW_ROOT}"/dev/null c 1 3
-	[ ! -e "${NEW_ROOT}/dev/console" ] && mknod "${NEW_ROOT}"/dev/console c 5 1
-
-	# For SGI LiveCDs ...
-	if [ "${LOOPTYPE}" = "sgimips" ]
-	then
-		[ ! -e "${NEW_ROOT}/dev/sr0" ] && mknod "${NEW_ROOT}/dev/sr0" b 11 0
-		[ ! -e "${NEW_ROOT}/dev/loop0" ] && mknod "${NEW_ROOT}/dev/loop0" b 7 0
-	fi
-
-	# Required for splash to work.  Not an issue with the initrd as this
-	# device isn't created there and is not needed.
-	if [ -e /dev/tty1 ]
-	then
-		[ ! -e "${NEW_ROOT}/dev/tty1" ] && mknod "${NEW_ROOT}/dev/tty1" c 4 1
-	fi
-
-	if [ "${REAL_ROOT}" != "/dev/nfs" ] && [ "${LOOPTYPE}" != "sgimips" ]
-	then
-		bootstrap_cd
-	fi
-
-	if [ "${REAL_ROOT}" = '' ]
-	then
-		warn_msg "No bootable medium found. Waiting for new devices..."
-		COUNTER=0
-		while [ ${COUNTER} -lt 3 ]; do
-			sleep 3
-			let COUNTER=${COUNTER}+1
-		done
-		sleep 1
-		bootstrap_cd
-	fi
-
-	if [ "${REAL_ROOT}" = '' ]
-	then
-		# Undo stuff
-		umount  "${NEW_ROOT}/dev" 2>/dev/null
-		umount  "${NEW_ROOT}/sys" 2>/dev/null
-		umount /sys 2>/dev/null
-
-		umount  "${NEW_ROOT}"
-		rm -rf  "${NEW_ROOT}/*"
-
-		bad_msg 'Could not find CD to boot, something else needed!'
-		CDROOT=0
-	fi
-fi
 
 # Determine root device
 good_msg 'Determining root device...'