Creating script which updates yt-dlp in the wrolpi venv to the latest available.

scripts/upgrade_yt-dlp.sh

@@ -0,0 +1,20 @@
+#! /usr/bin/env bash
+
+set -e
+
+# Re-execute this script if it wasn't called with sudo.
+if [ "$(whoami)" != "wrolpi" ]; then
+    sudo -u wrolpi "$0" "$@"
+    exit $?
+fi
+
+. /opt/wrolpi/venv/bin/activate
+if pip install --upgrade yt-dlp | grep -q "Successfully installed"; then
+  echo "yt-dlp was upgraded."
+  echo "You must restart the API:"
+  echo "   sudo systemctl restart wrolpi-api"
+  exit 0
+else
+  echo "yt-dlp is already up to date"
+  exit 1
+fi