mirror of
https://github.com/ipetkov/crane.git
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80 lines
2.4 KiB
Nix
80 lines
2.4 KiB
Nix
{ cargo-nextest
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, lib
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, mkCargoDerivation
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, runCommand
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}:
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{ cargoArtifacts
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, cargoExtraArgs ? ""
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, cargoNextestExtraArgs ? ""
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, doInstallCargoArtifacts ? true
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, partitions ? 1
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, partitionType ? "count"
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, ...
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}@origArgs:
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let
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args = builtins.removeAttrs origArgs [
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"cargoExtraArgs"
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"cargoNextestExtraArgs"
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"partitions"
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"partitionType"
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];
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mkUpdatedArgs = { cmd ? "run", extraSuffix ? "", moreArgs ? "" }: args // {
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inherit cargoArtifacts;
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pnameSuffix = "-nextest${extraSuffix}";
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doCheck = args.doCheck or true;
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buildPhaseCargoCommand = args.buildPhaseCargoCommand or ''
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mkdir -p $out
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cargo nextest --version
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'';
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checkPhaseCargoCommand = "cargo nextest ${cmd} $" + "{CARGO_PROFILE:+--cargo-profile $CARGO_PROFILE} ${cargoExtraArgs} ${cargoNextestExtraArgs} ${moreArgs}";
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nativeBuildInputs = (args.nativeBuildInputs or [ ]) ++ [ cargo-nextest ];
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};
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in
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if partitions < 1 then
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throw "paritions must be at least 1 or greater"
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else if partitions == 1 then # Simple case do everything in one derivation
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mkCargoDerivation (mkUpdatedArgs { })
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else # First build the tests in one derivation, then run each partition in another
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let
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mkArchiveArgs = root: "--archive-format tar-zst --archive-file ${root}/archive.tar.zst";
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archive = mkCargoDerivation (mkUpdatedArgs {
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cmd = "archive";
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moreArgs = mkArchiveArgs "$out";
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});
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mkPartition = nInt:
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let
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n = toString (nInt + 1);
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in
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mkCargoDerivation ((mkUpdatedArgs {
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extraSuffix = "-p${toString n}";
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moreArgs = "${mkArchiveArgs archive} --partition ${partitionType}:${n}/${toString partitions}";
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}) // {
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# Everything we need is already in the archive
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cargoArtifacts = null;
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cargoVendorDir = null;
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doInstallCargoArtifacts = false;
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# Nextest does not like extra args when running with an archive
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CARGO_PROFILE = "";
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});
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in
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# Allow for retaining the artifacts from the `archive` derivation
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# if callers want to chain other derivations after it. We provide
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# the actual `partition*` derivations as inputs to ensure they are run.
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runCommand "cargo-nextest-tests"
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{
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inherit doInstallCargoArtifacts;
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buildInputs = lib.genList mkPartition partitions;
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} ''
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if [ "1" = "''${doInstallCargoArtifacts-}" ]; then
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cp --recursive ${archive} $out/
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else
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mkdir -p $out
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fi
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''
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