add a script to automatically pull changes from git

autoupdate.sh

@@ -0,0 +1,27 @@
+#!/bin/bash
+
+LOCKFILE="/tmp/git_pull_lock"
+
+if [ -f "$LOCKFILE" ]; then
+    echo "Script is already running. Exiting."
+    exit 1
+fi
+
+touch "$LOCKFILE"
+
+trap 'rm -f "$LOCKFILE"' EXIT
+
+while true; do
+    output=$(git pull 2>&1)
+
+    # Check if git pull actually fetched changes
+    if echo "$output" | grep -q "Already up[[:space:]]*to[[:space:]]*date\|up-to-date"; then
+        echo "No changes. $(date)"
+    else
+        echo "Changes pulled. $(date)"
+        echo "$output"
+        ./start.sh
+    fi
+
+    sleep 60
+done