Add mkuserimg.sh script for the build system

Change-Id: I74b41e5d783646b51203423a7deabbdb28b32b7b

diff --git a/ext4_utils/Android.mk b/ext4_utils/Android.mk
index d8a20f9..3f8b10e 100644 (file)
--- a/ext4_utils/Android.mk
+++ b/ext4_utils/Android.mk
@@ -60,3 +60,15 @@ LOCAL_MODULE := make_ext4fs
 LOCAL_STATIC_LIBRARIES += libext4_utils libz
 
 include $(BUILD_HOST_EXECUTABLE)
+
+include $(CLEAR_VARS)
+
+LOCAL_MODULE := mkuserimg.sh
+LOCAL_SRC_FILES := mkuserimg.sh
+LOCAL_MODULE_CLASS := EXECUTABLES
+# We don't need any additional suffix.
+LOCAL_MODULE_SUFFIX :=
+LOCAL_BUILT_MODULE_STEM := $(notdir $(LOCAL_SRC_FILES))
+LOCAL_IS_HOST_MODULE := true
+
+include $(BUILD_PREBUILT)

diff --git a/ext4_utils/mkuserimg.sh b/ext4_utils/mkuserimg.sh
new file mode 100755 (executable)
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