diff --git a/testdata/llama2.d/ingest.sh b/testdata/llama2.d/ingest.sh
new file mode 100644
index 0000000..572c489
--- /dev/null
+++ b/testdata/llama2.d/ingest.sh
@@ -0,0 +1,23 @@
+#! /bin/bash
+
+set -eu
+
+cd "$(dirname "$(realpath "$BASH_SOURCE")")"
+if ! test -d ./llama2.c; then
+   echo downloading llama2.c >&2
+   git clone https://github.com/karpathy/llama2.c.git
+fi
+
+url="$1"
+output="${url##*/}"
+if [ ! -f "$output" ]; then
+   echo downloading "$url" >&2
+   wget -O "$output" "$url"
+fi
+
+cd ./llama2.c
+pip3 install --break-system-packages -r ./requirements.txt
+python3 ./export.py \
+   "../$output.bin" \
+   --meta-llama "../$output"
+cd ..