106 lines
2.6 KiB
Nix
106 lines
2.6 KiB
Nix
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{ stdenv
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, lib
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, pkgs
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, coreutils
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}:
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{ name ? "${baseAttrs.pname}-${baseAttrs.version}"
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, bazelTargets
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, bazel ? pkgs.bazel
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, depsHash
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, extraCacheInstall ? ""
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, extraBuildSetup ? ""
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, extraBuildInstall ? ""
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, ...
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}@baseAttrs:
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let
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cleanAttrs = lib.flip removeAttrs [
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"bazelTargets" "depsHash" "extraCacheInstall" "extraBuildSetup" "extraBuildInstall"
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];
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attrs = cleanAttrs baseAttrs;
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base = stdenv.mkDerivation (attrs // {
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nativeBuildInputs = (attrs.nativeBuildInputs or []) ++ [
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bazel
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];
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preUnpack = ''
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if [[ ! -d $HOME ]]; then
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export HOME=$NIX_BUILD_TOP/home
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mkdir -p $HOME
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fi
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'';
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bazelTargetNames = builtins.attrNames bazelTargets;
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});
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cache = base.overrideAttrs (base: {
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name = "${name}-deps";
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bazelPhase = "cache";
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buildPhase = ''
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runHook preBuild
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bazel sync --repository_cache=repository-cache $bazelFlags "''${bazelFlagsArray[@]}"
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bazel build --repository_cache=repository-cache --nobuild $bazelFlags "''${bazelFlagsArray[@]}" $bazelTargetNames
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runHook postBuild
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'';
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installPhase = ''
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runHook preInstall
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mkdir $out
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echo "${bazel.version}" > $out/bazel_version
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cp -R repository-cache $out/repository-cache
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${extraCacheInstall}
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runHook postInstall
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'';
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outputHashMode = "recursive";
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outputHash = depsHash;
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});
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build = base.overrideAttrs (base: {
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bazelPhase = "build";
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inherit cache;
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nativeBuildInputs = (base.nativeBuildInputs or []) ++ [
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coreutils
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];
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buildPhase = ''
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runHook preBuild
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${extraBuildSetup}
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bazel build --repository_cache=$cache/repository-cache $bazelFlags "''${bazelFlagsArray[@]}" $bazelTargetNames
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runHook postBuild
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'';
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installPhase = ''
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runHook preInstall
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${builtins.concatStringsSep "\n" (lib.mapAttrsToList (target: outPath: lib.optionalString (outPath != null) ''
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TARGET_OUTPUTS="$(bazel cquery --repository_cache=$cache/repository-cache $bazelFlags "''${bazelFlagsArray[@]}" --output=files "${target}")"
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if [[ "$(echo "$TARGET_OUTPUTS" | wc -l)" -gt 1 ]]; then
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echo "Installing ${target}'s outputs ($TARGET_OUTPUTS) into ${outPath} as a directory"
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mkdir -p "${outPath}"
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cp $TARGET_OUTPUTS "${outPath}"
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else
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echo "Installing ${target}'s output ($TARGET_OUTPUTS) to ${outPath}"
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mkdir -p "${dirOf outPath}"
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cp "$TARGET_OUTPUTS" "${outPath}"
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fi
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'') bazelTargets)}
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${extraBuildInstall}
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runHook postInstall
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'';
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});
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in build
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