diff --git a/shell_functions.sh b/shell_functions.sh
new file mode 100644
index 0000000..c2e220c
--- /dev/null
+++ b/shell_functions.sh
@@ -0,0 +1,10 @@
+function sync_fork() {
+    git fetch upstream
+    BRANCH=$1
+    if [ -z "$BRANCH" ]; then
+        BRANCH="main"
+    fi
+    git rebase upstream/$BRANCH
+    git push -f
+}
+