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#!/usr/bin/env nix-shell
#!nix-shell -i bash -p python3 python3.pkgs.toml cargo
set -e
HERE=$(dirname "${BASH_SOURCE[0]}")
NIXPKGS_ROOT="$HERE/../../../.."
# https://unix.stackexchange.com/a/84980/390173
tempdir=$(mktemp -d 2>/dev/null || mktemp -d -t 'update-lockfile')
cd "$tempdir"
nix-build -E "with import (/. + \"${NIXPKGS_ROOT}\") {}; pkgs.rustPlatform.rustcSrc.override { minimalContent = false; }"
RUSTC_SRC="$(pwd)/result" python3 "$HERE/cargo.py"
RUSTC_BOOTSTRAP=1 cargo build || echo "Build failure is expected. All that's needed is the lockfile."
cp Cargo.lock "$HERE"
rm -rf "$tempdir"
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