Added script to revert a release

revert.sh

@@ -0,0 +1,29 @@
+#!/bin/bash
+
+IMAGE_NAME="butomo1989/docker-android"
+
+if [ -z "$1" ]; then
+    read -p "Type : " TYPE
+else
+    TYPE=$1
+fi
+
+if [ -z "$2" ]; then
+    read -p "Version : " VERSION
+else
+    VERSION=$2
+fi
+
+declare -a versions=("7.1.1" "7.0" "6.0" "5.1.1" "5.0.1")
+
+## now loop through the above array
+for v in "${versions[@]}"
+do
+	IMAGE="$IMAGE_NAME-$TYPE-$v"
+	IMAGE_OLD="$IMAGE:$VERSION"
+	IMAGE_LATEST="$IMAGE:latest"
+	echo "Revert image \"$IMAGE_LATEST\" to version \"$IMAGE_OLD\""
+	docker pull $IMAGE_OLD
+	docker tag $IMAGE_OLD $IMAGE_LATEST
+	docker push $IMAGE_LATEST
+done