1 files changed, 87 insertions, 0 deletions

diff --git a/scripts/contrib/ddimage b/scripts/contrib/ddimage
new file mode 100755
index 0000000000..2cba9b28f1
--- /dev/null
+++ b/scripts/contrib/ddimage
@@ -0,0 +1,87 @@
+#!/bin/sh
+
+#BLACKLIST_DEVICES="/dev/sda /dev/sdb /dev/sdc /dev/sdd /dev/sde"
+BLACKLIST_DEVICES="/dev/sda"
+
+# 1MB blocksize
+BLOCKSIZE=1048576
+
+function usage() {
+        echo "Usage: $(basename $0) IMAGE DEVICE"
+}
+
+function image_details() {
+        IMG=$1
+        echo "Image details"
+        echo "============="
+        echo "    image: $(stat --printf '%N\n' $IMG)"
+        echo "     size: $(stat -L --printf '%s bytes\n' $IMG)"
+        echo " modified: $(stat -L --printf '%y\n' $IMG)"
+        echo "     type: $(file -L -b $IMG)"
+        echo ""
+}
+
+function device_details() {
+        DEV=$1
+        BLOCK_SIZE=512
+
+        echo "Device details"
+        echo "=============="
+        echo "  device: $DEVICE"
+        if [ -f "/sys/class/block/$DEV/device/vendor" ]; then
+                echo "  vendor: $(cat /sys/class/block/$DEV/device/vendor)"
+        else
+                echo "  vendor: UNKOWN"
+        fi
+        if [ -f "/sys/class/block/$DEV/device/model" ]; then
+                echo "   model: $(cat /sys/class/block/$DEV/device/model)"
+        else
+                echo "   model: UNKNOWN"
+        fi
+        if [ -f "/sys/class/block/$DEV/size" ]; then
+                echo "    size: $[$(cat /sys/class/block/$DEV/size)*BLOCK_SIZE] bytes"
+        else
+                echo "    size: UNKNOWN"
+        fi
+        echo ""
+}
+
+if [ $# -ne 2 ]; then
+        usage
+        exit 1
+fi
+
+IMAGE=$1
+DEVICE=$2
+
+if [ ! -e "$IMAGE" ]; then
+        echo "ERROR: Image $IMAGE does not exist"
+        usage
+        exit 1
+fi
+
+
+if [ "${BLACKLIST_DEVICES/${DEVICE}/ERROR}" != "$BLACKLIST_DEVICES" ]; then
+        echo "ERROR: Device $DEVICE is blacklisted"
+        exit 1
+fi
+
+if [ ! -w "$DEVICE" ]; then
+        echo "ERROR: Device $DEVICE does not exist or is not writable"
+        usage
+        exit 1
+fi
+
+image_details $IMAGE
+device_details $(basename $DEVICE)
+
+echo -n "Write $IMAGE to $DEVICE [y/N]? "
+read RESPONSE
+if [ "$RESPONSE" != "y" ]; then
+        echo "Write aborted"
+        exit 0
+fi
+
+echo "Writing image..."
+dd if="$IMAGE" of="$DEVICE" bs="$BLOCKSIZE"
+sync