nix-bitcoin/helper/run-in-nix-env

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#!/usr/bin/env bash
# Usage:
# source "path/to/run-in-nix-env" "pkg1 pkg2 ..." "$@"
#
# Runs the calling script with pkgs1, pkg2, ... in PATH.
# The packages are sourced from the nixpkgs input of the nix-bitcoin root flake.
if [[ ${_NIX_BITCOIN_ENV_PKGS:-} != "$1" ]]; then
export _NIX_BITCOIN_ENV_PKGS=$1
shift
_shell_pkgs=()
for _pkg in $_NIX_BITCOIN_ENV_PKGS; do
_shell_pkgs+=("nixpkgs#$_pkg")
done
# BASH_SOURCE[0] is this file
# BASH_SOURCE[-1] is the root src file
exec nix shell --inputs-from "${BASH_SOURCE[0]%/*}/.." "${_shell_pkgs[@]}" -c "${BASH_SOURCE[-1]}" "$@"
fi