blob: f206fe7f687581edce14774453db50d5a477b930 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
|
#!/usr/bin/env bash
# SPDX-FileCopyrightText: 2023 The TVL Authors
#
# SPDX-License-Identifier: MIT
#
# Builds a NixOS system configuration at the given attribute path.
set -ueo pipefail
# Load input variables from Terraform. jq's @sh format takes care of
# escaping.
eval "$(jq -r '@sh "attrpath=\(.attrpath) && entrypoint=\(.entrypoint) && argstr=\((.argstr // {}) | to_entries | map ("--argstr", .key, .value) | join(" "))"')"
# Evaluate the system derivation.
[[ -z "$entrypoint" ]] && entrypoint=$(git rev-parse --show-toplevel)
# shellcheck disable=SC2086,SC2154
system_drv=$(nix-instantiate -A "${attrpath}" "${entrypoint}" ${argstr})
# Return system derivation back to Terraform.
jq -n --arg drv "$system_drv" '{"drv":$drv}'
|
