35f636b684
This allows setting argstr to a map of keys and values. We use jq to construct "--argstr k v" arguments, which are passed to nix-instantiate. Change-Id: I720a597ca2276364bc7005c156064d938f143041 Reviewed-on: https://cl.tvl.fyi/c/depot/+/11141 Tested-by: BuildkiteCI Autosubmit: flokli <flokli@flokli.de> Reviewed-by: tazjin <tazjin@tvl.su>
21 lines
738 B
Bash
Executable file
21 lines
738 B
Bash
Executable file
#!/usr/bin/env bash
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# SPDX-FileCopyrightText: 2023 The TVL Authors
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#
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# SPDX-License-Identifier: MIT
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#
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# Builds a NixOS system configuration at the given attribute path.
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set -ueo pipefail
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# Load input variables from Terraform. jq's @sh format takes care of
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# escaping.
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eval "$(jq -r '@sh "attrpath=\(.attrpath) && entrypoint=\(.entrypoint) && argstr=\((.argstr // {}) | to_entries | map ("--argstr", .key, .value) | join(" "))"')"
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# Evaluate the system derivation.
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[[ -z "$entrypoint" ]] && entrypoint=$(git rev-parse --show-toplevel)
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# shellcheck disable=SC2086,SC2154
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system_drv=$(nix-instantiate -A "${attrpath}" "${entrypoint}" ${argstr})
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# Return system derivation back to Terraform.
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jq -n --arg drv "$system_drv" '{"drv":$drv}'
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