Update README.md

README.md

@@ -30,3 +30,41 @@ To start Jest tests, run
 ```shell
 yarn test
 ```
+
+## Sync any repository to latest `ts-template`
+
+A bash function that can do this for you:
+
+```bash
+sync-branch-to-template() {
+  local branch_name
+  branch_name=$(git rev-parse --abbrev-ref HEAD)
+  local original_remote
+  original_remote=$(git remote show | head -n 1)
+
+  # Add the template remote
+  git remote add template https://github.com/ubiquity/ts-template
+
+  # Fetch from the template remote
+  git fetch template development
+
+  if [ "$branch_name" != "HEAD" ]; then
+    # Create a new branch and switch to it
+    git checkout -b "chore/merge-${branch_name}-template"
+
+    # Merge the changes from the template remote
+    git merge template/development --allow-unrelated-histories
+
+    # Switch back to the original branch
+    git checkout "$branch_name"
+
+    # Push the changes to the original remote
+    git push "$original_remote" HEAD:"$branch_name"
+  else
+    echo "You are in a detached HEAD state. Please checkout a branch first."
+  fi
+
+  # Remove the template remote
+  # git remote remove template
+}
+```