Add a script for install a pip wheel from a presigned url

llama_toolchain/cli/scripts/install-wheel-from-presigned.sh

@@ -0,0 +1,38 @@
+#!/bin/bash
+
+# Copyright (c) Meta Platforms, Inc. and affiliates.
+# All rights reserved.
+#
+# This source code is licensed under the terms described in the LICENSE file in
+# the root directory of this source tree.
+
+set -euo pipefail
+
+if [ $# -eq 0 ]; then
+  echo "Please provide a URL as an argument."
+  exit 1
+fi
+
+URL=$1
+
+HEADERS_FILE=$(mktemp)
+curl -s -I "$URL" >"$HEADERS_FILE"
+FILENAME=$(grep -i "x-manifold-obj-canonicalpath:" "$HEADERS_FILE" | sed -E 's/.*nodes\/[^\/]+\/(.+)/\1/' | tr -d "\r\n")
+
+if [ -z "$FILENAME" ]; then
+  echo "Could not find the x-manifold-obj-canonicalpath header."
+  echo "HEADERS_FILE contents: "
+  cat "$HEADERS_FILE"
+  echo ""
+  exit 1
+fi
+
+echo "Downloading $FILENAME..."
+
+curl -s -L -o "$FILENAME" "$URL"
+
+echo "Installing $FILENAME..."
+pip install "$FILENAME"
+echo "Successfully installed $FILENAME"
+
+rm -f "$FILENAME"