nixpkgs/pkgs/top-level/release-lib.nix
John Ericson eae19f3c28 release-lib: Adapt to work with new meta.platforms
`packagePlatforms` now filters `supportedSystems` with the new-style
`meta.platforms`, rather than just plopping it in as is.
2018-03-15 00:44:38 -04:00

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{ supportedSystems
, packageSet ? (import ../..)
, scrubJobs ? true
, # Attributes passed to nixpkgs. Don't build packages marked as unfree.
nixpkgsArgs ? { config = { allowUnfree = false; inHydra = true; }; }
}:
let
lib = import ../../lib;
in with lib;
rec {
allPackages = args: packageSet (args // nixpkgsArgs);
pkgs = packageSet (lib.recursiveUpdate { system = "x86_64-linux"; config.allowUnsupportedSystem = true; } nixpkgsArgs);
inherit lib;
hydraJob' = if scrubJobs then hydraJob else id;
/* !!! Hack: poor man's memoisation function. Necessary to prevent
Nixpkgs from being evaluated again and again for every
job/platform pair. */
pkgsFor = system:
if system == "x86_64-linux" then pkgs_x86_64_linux
else if system == "i686-linux" then pkgs_i686_linux
else if system == "aarch64-linux" then pkgs_aarch64_linux
else if system == "armv6l-linux" then pkgs_armv6l_linux
else if system == "armv7l-linux" then pkgs_armv7l_linux
else if system == "x86_64-darwin" then pkgs_x86_64_darwin
else if system == "x86_64-freebsd" then pkgs_x86_64_freebsd
else if system == "i686-freebsd" then pkgs_i686_freebsd
else if system == "i686-cygwin" then pkgs_i686_cygwin
else if system == "x86_64-cygwin" then pkgs_x86_64_cygwin
else abort "unsupported system type: ${system}";
pkgs_x86_64_linux = allPackages { system = "x86_64-linux"; };
pkgs_i686_linux = allPackages { system = "i686-linux"; };
pkgs_aarch64_linux = allPackages { system = "aarch64-linux"; };
pkgs_armv6l_linux = allPackages { system = "armv6l-linux"; };
pkgs_armv7l_linux = allPackages { system = "armv7l-linux"; };
pkgs_x86_64_darwin = allPackages { system = "x86_64-darwin"; };
pkgs_x86_64_freebsd = allPackages { system = "x86_64-freebsd"; };
pkgs_i686_freebsd = allPackages { system = "i686-freebsd"; };
pkgs_i686_cygwin = allPackages { system = "i686-cygwin"; };
pkgs_x86_64_cygwin = allPackages { system = "x86_64-cygwin"; };
assertTrue = bool:
if bool
then pkgs.runCommand "evaluated-to-true" {} "touch $out"
else pkgs.runCommand "evaluated-to-false" {} "false";
/* The working or failing mails for cross builds will be sent only to
the following maintainers, as most package maintainers will not be
interested in the result of cross building a package. */
crossMaintainers = [ maintainers.viric ];
forAllSystems = genAttrs supportedSystems;
forTheseSystems = systems: f:
genAttrs (filter (x: elem x supportedSystems) systems) f;
/* Build a package on the given set of platforms. The function `f'
is called for each supported platform with Nixpkgs for that
platform as an argument . We return an attribute set containing
a derivation for each supported platform, i.e. { x86_64-linux =
f pkgs_x86_64_linux; i686-linux = f pkgs_i686_linux; ... }. */
testOn = systems: f: forTheseSystems systems
(system: hydraJob' (f (pkgsFor system)));
/* Similar to the testOn function, but with an additional
'crossSystem' parameter for allPackages, defining the target
platform for cross builds. */
testOnCross = crossSystem: systems: f: forTheseSystems systems
(system: hydraJob' (f (allPackages { inherit system crossSystem; })));
/* Given a nested set where the leaf nodes are lists of platforms,
map each leaf node to `testOn [platforms...] (pkgs:
pkgs.<attrPath>)'. */
mapTestOn = mapAttrsRecursive
(path: systems: testOn systems (pkgs: getAttrFromPath path pkgs));
/* Similar to the testOn function, but with an additional 'crossSystem'
* parameter for allPackages, defining the target platform for cross builds,
* and triggering the build of the host derivation (cross built - crossDrv). */
mapTestOnCross = crossSystem: mapAttrsRecursive
(path: systems: testOnCross crossSystem systems
(pkgs: addMetaAttrs { maintainers = crossMaintainers; } (getAttrFromPath path pkgs)));
/* Recursively map a (nested) set of derivations to an isomorphic
set of meta.platforms values. */
packagePlatforms = mapAttrs (name: value:
let res = builtins.tryEval (
if isDerivation value then
# TODO(@Ericson2314) deduplicate with `checkPlatform` in
# `pkgs/stdenv/generic/check-meta.nix`.
value.meta.hydraPlatforms or (let
raw = value.meta.platforms or [ "x86_64-linux" ];
toPattern = x: if builtins.isString x
then { system = x; }
else { parsed = x; };
uniform = map toPattern raw;
pred = hostPlatform:
lib.any (pat: lib.matchAttrs pat hostPlatform) uniform;
pred' = system: pred (lib.systems.elaborate { inherit system; });
in lib.filter pred' supportedSystems)
else if value.recurseForDerivations or false || value.recurseForRelease or false then
packagePlatforms value
else
[]);
in if res.success then res.value else []
);
/* Common platform groups on which to test packages. */
inherit (platforms) unix linux darwin cygwin all mesaPlatforms;
/* Platform groups for specific kinds of applications. */
x11Supported = linux;
gtkSupported = linux;
ghcSupported = linux;
}