fixed documentation (#13)

Reviewed-on: lxcafe/lxcafe#13

02_finalise_release.sh

@@ -24,6 +24,25 @@ CURRENT_VERSION=$(cat "$VERSION_FILE" | tr -d '\n')
 
 echo "Finalising release of version: $CURRENT_VERSION"
 
+RELEASE_BRANCH="release/$CURRENT_VERSION"
+
+_local_exists=false
+if git rev-parse "$RELEASE_BRANCH" >/dev/null 2>&1; then
+    _local_exists=true
+fi
+
+_remote_exists=false
+if git ls-remote --heads origin "$RELEASE_BRANCH" 2>/dev/null | grep -q .; then
+    _remote_exists=true
+fi
+
+if [ "$_local_exists" = "true" ] || [ "$_remote_exists" = "true" ]; then
+    if question_answered_with_yes "Delete release branch $RELEASE_BRANCH (local and remote)?"; then
+        [ "$_local_exists" = "true" ] && git branch -D "$RELEASE_BRANCH"
+        [ "$_remote_exists" = "true" ] && git push origin --delete "$RELEASE_BRANCH"
+    fi
+fi
+
 if ! question_answered_with_yes "Create tag $CURRENT_VERSION on main?"; then
     echo "Tag creation aborted."
     exit 0