diff --git a/git-update b/git-update
new file mode 100755
index 0000000..02cd255
--- /dev/null
+++ b/git-update
@@ -0,0 +1,14 @@
+#!/bin/sh
+
+BRANCH=$(git branch --no-color --list | grep '^\*' | awk '{print $2}')
+if [[ "$BRANCH" != "(detached" ]]; then
+    STASH_OUTPUT=$(git stash)
+    if [[ "$STASH_OUTPUT" = "No local changes to save" ]]; then
+        POP_STASH=0
+    else
+        POP_STASH=1
+    fi
+    git fetch --prune --tags origin && git rebase "origin/$BRANCH" && ([[ $POP_STASH -eq 1 ]] && git stash pop) || true
+else
+    echo "Cannot update in a detached HEAD state"
+fi