Add mkuserimg.sh script for the build system
Change-Id: I74b41e5d783646b51203423a7deabbdb28b32b7b
diff --git a/ext4_utils/mkuserimg.sh b/ext4_utils/mkuserimg.sh
new file mode 100755
index 0000000..ced6412
--- /dev/null
+++ b/ext4_utils/mkuserimg.sh
@@ -0,0 +1,48 @@
+#!/bin/bash
+#
+# To call this script, make sure make_ext4fs is somewhere in PATH
+
+function usage() {
+cat<<EOT
+Usage:
+mkuserimg.sh SRC_DIR OUTPUT_FILE EXT_VARIANT LABEL SIZE
+EOT
+}
+
+echo "in mkuserimg.sh PATH=$PATH"
+
+if [ $# -ne 4 -a $# -ne 5 ]; then
+ usage
+ exit 1
+fi
+
+SRC_DIR=$1
+if [ ! -d $SRC_DIR ]; then
+ echo "Can not find directory $SRC_DIR!"
+ exit 2
+fi
+
+OUTPUT_FILE=$2
+EXT_VARIANT=$3
+LABEL=$4
+SIZE=$5
+
+case $EXT_VARIANT in
+ ext4) ;;
+ *) echo "Only ext4 is supported!"; exit 3 ;;
+esac
+
+if [ -z $LABEL ]; then
+ echo "Label is required"
+ exit 2
+fi
+
+if [ -z $SIZE ]; then
+ SIZE=128M
+fi
+
+echo "make_ext4fs -l $SIZE -a $LABEL $OUTPUT_FILE $SRC_DIR"
+make_ext4fs -l $SIZE -a $LABEL $OUTPUT_FILE $SRC_DIR
+if [ $? -ne 0 ]; then
+ exit 4
+fi