80 lines
2.1 KiB
Nix
80 lines
2.1 KiB
Nix
{
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lib,
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config,
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}: let
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cfg = config.builders.basic;
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lib' = config.lib;
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inherit (config) foundation;
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in {
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config.builders = {
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basic = {
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executable = "${foundation.stage2-bash}/bin/bash";
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build = package: let
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phases = package.phases;
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sorted = lib.dag.sort.topographic phases;
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script =
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lib.strings.concatMapSep "\n" (
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entry:
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if builtins.isFunction entry.value
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then entry.value package
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else entry.value
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)
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sorted.result;
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system = package.platform.build.double;
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built = builtins.derivation (
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package.env
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// {
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inherit (package) name;
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inherit script system;
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passAsFile = ["script"];
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SHELL = cfg.executable;
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PATH = let
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bins = lib.paths.bin (
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(lib'.packages.dependencies.getPackages package.deps.build.host)
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++ [
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foundation.stage2-bash
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foundation.stage2-coreutils
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]
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);
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in
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builtins.concatStringsSep ":" ([bins] ++ (lib.lists.when (package.env ? PATH) [package.env.PATH]));
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builder = cfg.executable;
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args = [
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"-e"
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(builtins.toFile "bash-builder.sh" ''
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export CONFIG_SHELL=$SHELL
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# Normalize the NIX_BUILD_CORES variable. The value might be 0, which
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# means that we're supposed to try and auto-detect the number of
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# available CPU cores at run-time.
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NIX_BUILD_CORES="''${NIX_BUILD_CORES:-1}"
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if ((NIX_BUILD_CORES <= 0)); then
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guess=$(nproc 2>/dev/null || true)
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((NIX_BUILD_CORES = guess <= 0 ? 1 : guess))
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fi
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export NIX_BUILD_CORES
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bash -eux $scriptPath
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'')
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];
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}
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);
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in
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built
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// {
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inherit (package) meta;
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};
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};
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};
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}
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