0461f35894
It now strictly evaluates all remaining attributes, preventing unevaluated thunks that cannot be garbage-collected. It's also applied to all jobs in Nixpkgs' release.nix. This reduces hydra-eval-jobs' memory consumption on the 14.12 release-combined jobset from 5.1 GB to 2.0 GB.
97 lines
3.7 KiB
Nix
97 lines
3.7 KiB
Nix
{ supportedSystems, packageSet ? (import ./all-packages.nix) }:
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with import ../../lib;
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rec {
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# Ensure that we don't build packages marked as unfree.
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allPackages = args: packageSet (args // {
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config.allowUnfree = false;
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});
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pkgs = pkgsFor "x86_64-linux";
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/* !!! Hack: poor man's memoisation function. Necessary to prevent
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Nixpkgs from being evaluated again and again for every
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job/platform pair. */
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pkgsFor = system:
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if system == "x86_64-linux" then pkgs_x86_64_linux
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else if system == "i686-linux" then pkgs_i686_linux
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else if system == "x86_64-darwin" then pkgs_x86_64_darwin
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else if system == "x86_64-freebsd" then pkgs_x86_64_freebsd
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else if system == "i686-freebsd" then pkgs_i686_freebsd
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else if system == "i686-cygwin" then pkgs_i686_cygwin
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else abort "unsupported system type: ${system}";
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pkgs_x86_64_linux = allPackages { system = "x86_64-linux"; };
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pkgs_i686_linux = allPackages { system = "i686-linux"; };
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pkgs_x86_64_darwin = allPackages { system = "x86_64-darwin"; };
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pkgs_x86_64_freebsd = allPackages { system = "x86_64-freebsd"; };
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pkgs_i686_freebsd = allPackages { system = "i686-freebsd"; };
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pkgs_i686_cygwin = allPackages { system = "i686-cygwin"; };
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/* The working or failing mails for cross builds will be sent only to
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the following maintainers, as most package maintainers will not be
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interested in the result of cross building a package. */
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crossMaintainers = [ maintainers.viric ];
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/* Build a package on the given set of platforms. The function `f'
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is called for each supported platform with Nixpkgs for that
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platform as an argument . We return an attribute set containing
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a derivation for each supported platform, i.e. ‘{ x86_64-linux =
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f pkgs_x86_64_linux; i686-linux = f pkgs_i686_linux; ... }’. */
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testOn = systems: f: genAttrs
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(filter (x: elem x supportedSystems) systems) (system: hydraJob (f (pkgsFor system)));
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/* Similar to the testOn function, but with an additional
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'crossSystem' parameter for allPackages, defining the target
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platform for cross builds. */
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testOnCross = crossSystem: systems: f: {system ? builtins.currentSystem}:
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if elem system systems
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then f (allPackages { inherit system crossSystem; })
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else {};
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/* Given a nested set where the leaf nodes are lists of platforms,
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map each leaf node to `testOn [platforms...] (pkgs:
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pkgs.<attrPath>)'. */
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mapTestOn = mapAttrsRecursive
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(path: systems: testOn systems (pkgs: getAttrFromPath path pkgs));
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/* Similar to the testOn function, but with an additional 'crossSystem'
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* parameter for allPackages, defining the target platform for cross builds,
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* and triggering the build of the host derivation (cross built - crossDrv). */
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mapTestOnCross = crossSystem: mapAttrsRecursive
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(path: systems: testOnCross crossSystem systems
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(pkgs: addMetaAttrs { maintainers = crossMaintainers; } (getAttrFromPath path pkgs)));
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/* Recursively map a (nested) set of derivations to an isomorphic
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set of meta.platforms values. */
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packagePlatforms = mapAttrs (name: value:
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let res = builtins.tryEval (
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if isDerivation value then
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value.meta.hydraPlatforms or (value.meta.platforms or [])
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else if value.recurseForDerivations or false || value.recurseForRelease or false then
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packagePlatforms value
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else
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[]);
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in if res.success then res.value else []
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);
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/* Common platform groups on which to test packages. */
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inherit (platforms) unix linux darwin cygwin allBut all mesaPlatforms;
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/* Platform groups for specific kinds of applications. */
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x11Supported = linux;
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gtkSupported = linux;
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ghcSupported = linux;
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}
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