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Merge pull request #195511 from DeterminateSystems/include-build-deps

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nixos/top-level: add includeBuildDependencies option
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Robert Hensing 2023-03-15 13:33:24 +01:00 committed by GitHub
commit c3b245d540
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1 changed files with 29 additions and 1 deletions
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30
nixos/modules/system/activation/top-level.nix
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@ -130,6 +130,13 @@ let
pkgs.replaceDependency { inherit oldDependency newDependency drv; }
) baseSystemAssertWarn config.system.replaceRuntimeDependencies;
systemWithBuildDeps = system.overrideAttrs (o: {
systemBuildClosure = pkgs.closureInfo { rootPaths = [ system.drvPath ]; };
buildCommand = o.buildCommand + ''
ln -sn $systemBuildClosure $out/build-closure
'';
});
in
{
@ -306,6 +313,27 @@ in
'';
};
system.includeBuildDependencies = mkOption {
type = types.bool;
default = false;
description = lib.mdDoc ''
Whether to include the build closure of the whole system in
its runtime closure. This can be useful for making changes
fully offline, as it includes all sources, patches, and
intermediate outputs required to build all the derivations
that the system depends on.
Note that this includes _all_ the derivations, down from the
included applications to their sources, the compilers used to
build them, and even the bootstrap compiler used to compile
the compilers. This increases the size of the system and the
time needed to download its dependencies drastically: a
minimal configuration with no extra services enabled grows
from ~670MiB in size to 13.5GiB, and takes proportionally
longer to download.
'';
};
};
@ -336,7 +364,7 @@ in
]; };
};
system.build.toplevel = system;
system.build.toplevel = if config.system.includeBuildDependencies then systemWithBuildDeps else system;
};