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path: root/pkgs/development/python-modules/torch/bin/prefetch.sh
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#!/usr/bin/env nix-shell
#!nix-shell -i bash -p nix-prefetch-scripts

set -eou pipefail

version=$1

linux_cuda_version="cu128"
linux_cuda_bucket="https://download.pytorch.org/whl/${linux_cuda_version}"
linux_cpu_bucket="https://download.pytorch.org/whl/cpu"
darwin_bucket="https://download.pytorch.org/whl/cpu"

url_and_key_list=(
    "x86_64-linux-310 $linux_cuda_bucket/torch-${version}%2B${linux_cuda_version}-cp310-cp310-manylinux_2_28_x86_64.whl torch-${version}-cp310-cp310-linux_x86_64.whl"
    "x86_64-linux-311 $linux_cuda_bucket/torch-${version}%2B${linux_cuda_version}-cp311-cp311-manylinux_2_28_x86_64.whl torch-${version}-cp311-cp311-linux_x86_64.whl"
    "x86_64-linux-312 $linux_cuda_bucket/torch-${version}%2B${linux_cuda_version}-cp312-cp312-manylinux_2_28_x86_64.whl torch-${version}-cp312-cp312-linux_x86_64.whl"
    "x86_64-linux-313 $linux_cuda_bucket/torch-${version}%2B${linux_cuda_version}-cp313-cp313-manylinux_2_28_x86_64.whl torch-${version}-cp313-cp313-linux_x86_64.whl"
    "x86_64-linux-314 $linux_cuda_bucket/torch-${version}%2B${linux_cuda_version}-cp314-cp314-manylinux_2_28_x86_64.whl torch-${version}-cp314-cp314-linux_x86_64.whl"
    "aarch64-darwin-310 $darwin_bucket/torch-${version}-cp310-none-macosx_11_0_arm64.whl torch-${version}-cp310-none-macosx_11_0_arm64.whl"
    "aarch64-darwin-311 $darwin_bucket/torch-${version}-cp311-none-macosx_11_0_arm64.whl torch-${version}-cp311-none-macosx_11_0_arm64.whl"
    "aarch64-darwin-312 $darwin_bucket/torch-${version}-cp312-none-macosx_11_0_arm64.whl torch-${version}-cp312-none-macosx_11_0_arm64.whl"
    "aarch64-darwin-313 $darwin_bucket/torch-${version}-cp313-none-macosx_11_0_arm64.whl torch-${version}-cp313-none-macosx_11_0_arm64.whl"
    "aarch64-darwin-314 $darwin_bucket/torch-${version}-cp314-cp314-macosx_11_0_arm64.whl torch-${version}-cp314-cp314-macosx_11_0_arm64.whl"
    "aarch64-linux-310 $linux_cpu_bucket/torch-${version}%2Bcpu-cp310-cp310-manylinux_2_28_aarch64.whl torch-${version}-cp310-cp310-manylinux_2_28_aarch64.whl"
    "aarch64-linux-311 $linux_cpu_bucket/torch-${version}%2Bcpu-cp311-cp311-manylinux_2_28_aarch64.whl torch-${version}-cp311-cp311-manylinux_2_28_aarch64.whl"
    "aarch64-linux-312 $linux_cpu_bucket/torch-${version}%2Bcpu-cp312-cp312-manylinux_2_28_aarch64.whl torch-${version}-cp312-cp312-manylinux_2_28_aarch64.whl"
    "aarch64-linux-313 $linux_cpu_bucket/torch-${version}%2Bcpu-cp313-cp313-manylinux_2_28_aarch64.whl torch-${version}-cp313-cp313-manylinux_2_28_aarch64.whl"
    "aarch64-linux-314 $linux_cpu_bucket/torch-${version}%2Bcpu-cp314-cp314-manylinux_2_28_aarch64.whl torch-${version}-cp314-cp314-manylinux_2_28_aarch64.whl"
)

hashfile="binary-hashes-$version.nix"
echo "  \"$version\" = {" >>$hashfile

for url_and_key in "${url_and_key_list[@]}"; do
    key=$(echo "$url_and_key" | cut -d' ' -f1)
    url=$(echo "$url_and_key" | cut -d' ' -f2)
    name=$(echo "$url_and_key" | cut -d' ' -f3)

    echo "prefetching ${url}..."
    hash=$(nix --extra-experimental-features nix-command hash convert --hash-algo sha256 $(nix-prefetch-url "$url" --name "$name"))

    echo "    $key = {" >>$hashfile
    echo "      name = \"$name\";" >>$hashfile
    echo "      url = \"$url\";" >>$hashfile
    echo "      hash = \"$hash\";" >>$hashfile
    echo "    };" >>$hashfile

    echo
done

echo "  };" >>$hashfile
echo "done."