nixos-install: only search for nixpkgs when needed

This commit is contained in:
Linus Heckemann 2017-07-12 22:03:53 +01:00
parent 598d79ae7d
commit 8b1f1d93fa

@ -106,8 +106,11 @@ extraBuildFlags+=(--option "build-users-group" "$buildUsersGroup")
binary_caches="$(@perl@/bin/perl -I @nix@/lib/perl5/site_perl/*/* -e 'use Nix::Config; Nix::Config::readConfig; print $Nix::Config::config{"binary-caches"};')"
extraBuildFlags+=(--option "binary-caches" "$binary_caches")
nixpkgs="$(readlink -f "$(nix-instantiate --find-file nixpkgs)")"
export NIX_PATH="nixpkgs=$nixpkgs:nixos-config=$mountPoint/$NIXOS_CONFIG"
# We only need nixpkgs in the path if we don't already have a system closure to install
if [[ -z "$closure" ]]; then
nixpkgs="$(readlink -f "$(nix-instantiate --find-file nixpkgs)")"
export NIX_PATH="nixpkgs=$nixpkgs:nixos-config=$mountPoint/$NIXOS_CONFIG"
fi
unset NIXOS_CONFIG
# TODO: do I need to set NIX_SUBSTITUTERS here or is the --option binary-caches above enough?