Added shell script for releaseing

Author: mnordahl

release.sh

@@ -0,0 +1,47 @@
+#!/bin/bash
+
+# This script creates a tag for the repository and pushes it to the remote
+# repository. The remote repository is configured to trigger a GitHub Actions
+# workflow when a new tag is pushed, which will create a release on GitHub
+# using the tag.
+
+
+# Check for the correct number of input parameters
+if [ "$#" -ne 1 ]; then
+    echo "Error: Incorrect number of arguments."
+    echo "Usage: $0 <version-number>"
+    echo "Example: $0 v1.0.1"
+    exit 1
+fi
+
+# Define the tag
+TAG="release_$1"
+
+# Check if the tag already exists
+if git rev-parse "$TAG" >/dev/null 2>&1; then
+    echo "Error: Tag $TAG already exists."
+
+    # Ask user if they want to replace the existing tag
+    read -p "Do you want to replace the existing tag? (y/n) " answer
+    case $answer in
+        [Yy]* )
+            # Delete the tag locally
+            git tag -d "$TAG"
+            # Delete the tag from the remote
+            git push origin --delete "$TAG"
+            ;;
+        * )
+            echo "Operation aborted."
+            exit 1
+            ;;
+    esac
+fi
+
+# Create the annotated tag
+# git tag -a "$TAG" -m "$MESSAGE"
+git tag -a "$TAG"
+
+# Push the tag to the remote repository
+git push origin "$TAG"
+
+echo "Tag $TAG created and pushed successfully."