SVN: geninitrd/trunk/tests/initramfs_switchroot.sh

[glen]

Author: glen
Date: Fri Mar 30 16:11:09 2012
New Revision: 12526

Added:
   geninitrd/trunk/tests/initramfs_switchroot.sh   (contents, props changed)
Log:
add test


Added: geninitrd/trunk/tests/initramfs_switchroot.sh
==============================================================================
--- (empty file)
+++ geninitrd/trunk/tests/initramfs_switchroot.sh	Fri Mar 30 16:11:09 2012
@@ -0,0 +1,73 @@
+#!/bin/sh
+# test for initrd_gen_initramfs_switchroot parsing
+
+. ./setup-test.sh
+flags=$-
+
+mount() {
+	echo "mount $@"
+}
+
+
+	# parse 'root=xxx' kernel commandline
+	# We support passing root as hda3 /dev/hda3 0303 0x0303 and 303
+#	add_linuxrc <<-'EOF'
+runtest_run() {
+		device=/dev/no_partition_found
+		eval "$(
+		busybox awk -v c="$ROOT" '
+			BEGIN {
+				num_pattern_short = "[0-9a-f][0-9a-f][0-9a-f]";
+				num_pattern = "[0-9a-f]" num_pattern_short;
+				dev_pattern = "[hms][a-z][a-z]([0-9])+";
+				partition = "no_partition_found";
+				min = -1; maj = -1;
+
+				sub("^0x", "", c);
+				if (c ~ "^" num_pattern_short "$") sub("^", "0", c);
+				if (c ~ "^" num_pattern  "$") {
+					maj = sprintf("%s",substr(c,1,2));
+					min = sprintf("%s",substr(c,3));
+				}
+				if (c ~ "^\/dev\/" dev_pattern "$") sub("^/dev/","", c);
+				if (c ~ "^" dev_pattern "$") partition = c;
+			}
+
+			$4 == partition { maj = $1; min = $2; }
+			$1 == maj && $2 == min { partition = $4; }
+
+			END {
+				if (maj >= 0 && min >= 0) {
+					printf("device=/dev/%s; maj=%s; min=%s;\n", partition, maj, min);
+				}
+			}
+			' /proc/partitions
+		)"
+		if [ "$device" != '/dev/no_partition_found' -a ! -b $device ]; then
+			mknod $device b $maj $min
+		fi
+
+		if [ "$device" = '/dev/no_partition_found' ]; then
+			device=$ROOT
+		fi
+
+		[ -n "$ROOTFSFLAGS" ] && ROOTFSFLAGS="-o $ROOTFSFLAGS"
+
+		mount -t $ROOTFS -r $device $ROOTFSFLAGS /newroot || echo "Mount of rootfs failed."
+		init=$INIT
+		if [ -z "$init" -o ! -x "/newroot$init" ]; then
+			init=/sbin/init
+		fi
+#	EOF
+#	echo "init=$init"
+}
+
+#ROOT=/dev/sda2
+#runtest <<'EOF'
+#mount -t -r /dev/sda2 /newroot
+#EOF
+
+ROOT=302
+runtest <<'EOF'
+mount -t -r /dev/sda2 /newroot
+EOF