c3750079f7
This adds an additional parameter `entrypoint`, pointing to a .nix file (or a directory containing a `default.nix` file) that's providing the attribute path asked for. If not set / kept at the default (empty string), it falls back to the root dir of the repository as before. Change-Id: I2e63114f21660c842153ac15424b3491d66624d2 Reviewed-on: https://cl.tvl.fyi/c/depot/+/8190 Reviewed-by: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI Autosubmit: flokli <flokli@flokli.de>
15 lines
524 B
Bash
Executable file
15 lines
524 B
Bash
Executable file
#!/usr/bin/env bash
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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)"')"
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# Evaluate the system derivation.
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[[ -z "$ENTRYPOINT" ]] && ENTRYPOINT=$(git rev-parse --show-toplevel)
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SYSTEM_DRV=$(nix-instantiate -A "${ATTRPATH}" "${ENTRYPOINT}")
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# Return system derivation back to Terraform.
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jq -n --arg drv "$SYSTEM_DRV" '{"drv":$drv}'
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