Cargo wrapper that puts target directories in the cache.

cargo

#!/bin/bash

if [[ -z "$CARGO_TARGET_DIR" ]] && [[ -z "$CARGO_BUILD_TARGET_DIR" ]]; then
    cargo_conf="$(/usr/bin/cargo locate-project --offline --frozen --workspace --message-format plain)"
    project_root="$(dirname "${cargo_conf}")"
    CARGO_TARGET_DIR="${XDG_CACHE_DIR:-$HOME/.cache}/cargo/build/$(systemd-escape "${project_root}")/"
    export CARGO_TARGET_DIR
fi

exec /usr/bin/cargo "$@"