Add script for tagging

scripts/tag.sh

@@ -0,0 +1,29 @@
+#!/usr/bin/env bash
+
+set -e
+
+TAG="$1"
+
+if [ -z "$TAG" ]
+then
+    echo "$0 [tag]" >&2
+    exit 1
+fi
+
+echo "Do you want to tag the current state of cosmic-epoch with the tag $TAG? (y/N)"
+read answer
+if [ "$answer" != "y" ]
+then
+    echo "Did not answer y, exiting" >&2
+    exit 1
+fi
+
+set -x
+
+git fetch --recurse-submodules
+
+git tag --force "$TAG"
+git submodule foreach git tag --force "$TAG"
+
+git push --force origin tag "$TAG"
+git submodule foreach git push --force origin tag "$TAG"