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zeekayandGitHub 8d53833026 env: drop LUX_ prefix from env vars (noise) (#113)
Renames LUX_-prefixed env vars to their canonical, non-noisy forms:

- LUX_RLP_PATH    -> RLP_PATH    (test override for the RLP fixture path)
- LUX_VERSION     -> LUXD_VERSION (the luxd version being downloaded/cloned)
- LUX_PLUGIN_DIR  -> PLUGIN_DIR  (the lux plugin install dir, ~/.lux/plugins)

LUX_VERSION had two callers: shell scripts treating it as the luxd
version, and install_luxd_release.sh that already aliased
'LUXD_VERSION=${LUXD_VERSION:-${LUX_VERSION#v}}' on read. Collapse this
to a single canonical name (LUXD_VERSION) and a one-liner v-prefix
strip; no more aliasing.

LUX_PLUGIN_DIR points at ~/.lux/plugins on disk — the path is unchanged,
only the env var name. INSTALL=1 ./scripts/build.sh continues to work,
just driven from $PLUGIN_DIR.

Note: the historical README mention of LUX_VM_RUNTIME_ENGINE_ADDR /
LUX_VM_TRANSPORT (legacy luxfi/vm <= v1.1.0 names) is left in place
because it documents past behavior, per task convention for CHANGELOG/
historical docs.

BREAKING: external callers (CI, dev scripts, operators) must update
env var names. Per CLAUDE.md no-backwards-compatibility rule, the old
forms are removed.
2026-05-15 16:05:42 -07:00

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#!/usr/bin/env bash
set -euo pipefail
# Requires nix to be installed. The determinate systems installer is recommended:
#
# https://github.com/DeterminateSystems/nix-installer?tab=readme-ov-file#install-nix
#
# Load LUXD_VERSION
SCRIPT_DIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
# shellcheck source=/scripts/constants.sh
source "$SCRIPT_DIR"/constants.sh
# Start a dev shell with the luxd flake
FLAKE="github:luxfi/luxd?ref=${LUXD_VERSION}"
echo "Starting nix shell for ${FLAKE}"
nix develop "${FLAKE}" "${@}"