. "$REQUIRE_FILE"
+# Check for wallabag .git folder
+if [ ! -d .git ]; then
+ echo "Can not update because wallabag wasn't installed using git (see https://doc.wallabag.org/en/admin/upgrade.html#upgrade-on-a-shared-hosting). Aborting.";
+ exit 2;
+fi
+
rm -rf var/cache/*
git fetch origin
git fetch --tags