[OE-core] [PATCH] scripts: Create interactive menu for mkefidisk script

[Bruno Bottazzini]

If it is passed only the image parameter, it will show some interactive
options to help to conclude the script.

With this patch it will detect devices available in the machine, asking
to choose what it is wanted to be flashed.

it will suggest the target device. If it is a SD card the suggestion
is /dev/mmcblk0. If it is a pendrive it will suggest to use /dev/sda.

Signed-off-by: Bruno Bottazzini <bruno.bottazzini at intel.com>
---
 scripts/contrib/mkefidisk.sh | 60 ++++++++++++++++++++++++++++++++++++++++----
 1 file changed, 55 insertions(+), 5 deletions(-)

diff --git a/scripts/contrib/mkefidisk.sh b/scripts/contrib/mkefidisk.sh
index 55f72b0..7628de7 100755
--- a/scripts/contrib/mkefidisk.sh
+++ b/scripts/contrib/mkefidisk.sh
@@ -152,8 +152,52 @@ unmount() {
 # Parse and validate arguments
 #
 if [ $# -lt 3 ] || [ $# -gt 4 ]; then
-	usage
-	exit 1
+    if [ $# -eq 1 ]; then
+        AVAILABLE_DISK=`fdisk -l | grep "Disk /" | cut -f 1 -d ':' | cut -f 2 -d ' '`
+        if [ -z "$AVAILABLE_DISK" ]; then
+            die "Starting mkefidisk.sh as root is required"
+        fi
+        echo "Available disks are"
+        X=0
+        for line in `echo $AVAILABLE_DISK`; do
+            info "$X - $line"
+            X=`expr $X + 1`
+        done
+        read -p "Choose flashable device number: " DISK_NUMBER
+        X=0
+        for line in `echo $AVAILABLE_DISK`; do
+            if [ $DISK_NUMBER -eq $X ]; then
+                DISK_TO_BE_FLASHED=$line
+                break
+            else
+                X=`expr $X + 1`
+            fi
+        done
+        if [ -z "$DISK_TO_BE_FLASHED" ]; then
+            die "Option \"$DISK_NUMBER\" is invalid. Choose a valid option"
+        else
+            if [ -z `echo $DISK_TO_BE_FLASHED | grep "mmc"` ]; then
+                TARGET_TO_BE_BOOT="/dev/sda"
+            else
+                TARGET_TO_BE_BOOT="/dev/mmcblk0"
+            fi
+        fi
+        echo ""
+        echo "Choose a name of the device that will be boot from"
+        echo -n "Recommended name is: "
+        info "$TARGET_TO_BE_BOOT\n"
+        read -p "Is target device okay? [y/N]: " RESPONSE
+        if [ "$RESPONSE" != "y" ]; then
+            read -p "Choose target device name: " TARGET_TO_BE_BOOT
+        fi
+        echo ""
+        if [ -z "$TARGET_TO_BE_BOOT" ]; then
+            die "Error: choose a valid target name"
+        fi
+    else
+        usage
+	    exit 1
+    fi
 fi
 
 if [ "$1" = "-v" ]; then
@@ -162,9 +206,15 @@ if [ "$1" = "-v" ]; then
 	shift
 fi
 
-DEVICE=$1
-HDDIMG=$2
-TARGET_DEVICE=$3
+if [ -z "$AVAILABLE_DISK" ]; then
+    DEVICE=$1
+    HDDIMG=$2
+    TARGET_DEVICE=$3
+else
+    DEVICE=$DISK_TO_BE_FLASHED
+    HDDIMG=$1
+    TARGET_DEVICE=$TARGET_TO_BE_BOOT
+fi
 
 LINK=$(readlink $DEVICE)
 if [ $? -eq 0 ]; then
-- 
2.5.0