aa122cbae7
This CL can be used to compare the style of nixpkgs-fmt against other formatters (nixpkgs, alejandra). Change-Id: I87c6abff6bcb546b02ead15ad0405f81e01b6d9e Reviewed-on: https://cl.tvl.fyi/c/depot/+/4397 Tested-by: BuildkiteCI Reviewed-by: sterni <sternenseemann@systemli.org> Reviewed-by: lukegb <lukegb@tvl.fyi> Reviewed-by: wpcarro <wpcarro@gmail.com> Reviewed-by: Profpatsch <mail@profpatsch.de> Reviewed-by: kanepyork <rikingcoding@gmail.com> Reviewed-by: tazjin <tazjin@tvl.su> Reviewed-by: cynthia <cynthia@tvl.fyi> Reviewed-by: edef <edef@edef.eu> Reviewed-by: eta <tvl@eta.st> Reviewed-by: grfn <grfn@gws.fyi>
38 lines
966 B
Nix
38 lines
966 B
Nix
{ stdenv, pkgs, getBins }:
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# The empty derivation. All it does is touch $out.
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# Basically the unit value for derivations.
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#
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# In addition to simple test situations which require
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# a derivation, we set __functor, so you can call it
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# as a function and pass an attrset. The set you pass
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# is `//`-merged with the attrset before calling derivation,
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# so you can use this to add more fields.
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let
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bins = getBins pkgs.s6-portable-utils [ "s6-touch" ]
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// getBins pkgs.execline [ "importas" "exec" ];
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emptiness = {
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name = "empty-derivation";
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# TODO(Profpatsch): can we get system from tvl?
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inherit (stdenv) system;
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builder = bins.exec;
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args = [
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bins.importas
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"out"
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"out"
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bins.s6-touch
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"$out"
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];
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};
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in
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(derivation emptiness) // {
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# This allows us to call the empty derivation
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# like a function and override fields/add new fields.
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__functor = _: overrides:
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derivation (emptiness // overrides);
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}
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