diff --git a/mirror-clone.sh b/mirror-clone.sh
new file mode 100755
index 0000000..fce3684
--- /dev/null
+++ b/mirror-clone.sh
@@ -0,0 +1,26 @@
+#!/bin/bash
+
+set -euo pipefail
+
+_here=$(dirname "$(realpath "$0")")
+mirror_clone="${MIRRORCLONE_BIN:-${_here}/mirror-clone}"
+
+TUNASYNC_MIRRORCLONE_OPTIONS=${TUNASYNC_MIRRORCLONE_OPTIONS:-}
+TUNASYNC_MIRRORCLONE_SOURCE=${TUNASYNC_MIRRORCLONE_SOURCE:-}
+TUNASYNC_MIRRORCLONE_ARGS=${TUNASYNC_MIRRORCLONE_ARGS:-}
+
+if [ -z "$TUNASYNC_MIRRORCLONE_SOURCE" ]; then
+    echo "Error: TUNASYNC_MIRRORCLONE_SOURCE is not set" >&2
+    exit 1
+fi
+
+[ ! -d "${TUNASYNC_WORKING_DIR}" ] && mkdir -p "${TUNASYNC_WORKING_DIR}"
+cd "${TUNASYNC_WORKING_DIR}"
+
+exec "$mirror_clone" \
+    --target-type file \
+    --file-buffer-path "${TUNASYNC_WORKING_DIR}/.tmp" \
+    --file-base-path "${TUNASYNC_WORKING_DIR}" \
+    $TUNASYNC_MIRRORCLONE_OPTIONS \
+    "$TUNASYNC_MIRRORCLONE_SOURCE" \
+    $TUNASYNC_MIRRORCLONE_ARGS