#!/usr/bin/env bash
set -eo pipefail

if [[ -z "$AZURE_STORAGE_CONNECTION_STRING" ]]; then
	echo "AZURE_STORAGE_CONNECTION_STRING is required"
	exit 1
fi

if [[ -z "$CONTAINER_NAME" ]]; then
	echo "CONTAINER_NAME is required"
	exit 1
fi

if [[ -z "$BLOB_NAME" ]]; then
	echo "BLOB_NAME is required"
	exit 1
fi

if [[ "$SUDO" = true ]]; then
	SUDO_COMMAND=(sudo)
else
	SUDO_COMMAND=()
fi

CACHE_PATH=${CACHE_PATH:-$BLOB_NAME}


echo "--> Packaging cache directory"
"${SUDO_COMMAND[@]}" env ZSTD_NBTHREADS=0 tar -C "$CACHE_PATH" -c --zstd -f "$CACHE_PATH.tar.zstd" .

echo "--> Uploading blob"
az storage blob upload \
	-c "$CONTAINER_NAME" \
	-n "$BLOB_NAME" \
	-f "$CACHE_PATH.tar.zstd" \
	--overwrite \
	--no-progress \
	--validate-content
rm "$CACHE_PATH.tar.zstd"