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|
{
config,
lib,
self,
...
}: let
cfg = config.githubWorkflowGenerator;
inherit
(builtins)
attrNames
filter
;
inherit
(lib)
elem
flatten
getAttrs
literalExpression
mapAttrsToList
mdDoc
mkOption
types
;
supportedOutputs = [
"apps"
"checks"
"devShells"
"darwinConfigurations"
"homeConfigurations"
"nixosConfigurations"
"packages"
];
platformMap = {
options = {
arch = mkOption {
description = mdDoc "the architecture of a system";
type = types.str;
default = null;
example = literalExpression "x86_64";
};
os = mkOption {
description = mdDoc "the name of an os supported by github runners";
type = types.str;
default = null;
example = literalExpression "ubuntu-latest";
};
};
};
overrides = {
options = {
systems = mkOption {
description = mdDoc "list of systems to build an output for";
type = types.listOf types.str;
default = builtins.attrNames cfg.platforms;
};
};
};
mkMatrix = {
output,
systems ? (attrNames cfg.platforms),
}:
if (lib.elem output ["nixosConfigurations" "darwinConfigurations"])
then
mkMatrixFlat {
inherit output;
suffix = ".config.system.build.toplevel";
}
else if (output == "homeConfigurations")
then
mkMatrixFlat {
inherit output;
suffix = ".activationPackage";
}
else
flatten (
mapAttrsToList
(
system:
mapAttrsToList (
attr: _: {
inherit (cfg.platforms.${system}) os arch;
attr = "${output}.${system}.${attr}";
}
)
)
(getAttrs systems self.${output})
);
mkMatrixFlat = {
output,
suffix ? "",
}:
mapAttrsToList (
attr: deriv: {
inherit (cfg.platforms.${deriv.pkgs.system}) os arch;
attr = "${output}.${attr}${suffix}";
}
)
self.${output};
jobs = let
self' = getAttrs cfg.outputs self;
in
flatten (
mapAttrsToList (
output: _:
mkMatrix ({inherit output;} // cfg.overrides.${output} or {})
)
self'
);
in {
options = {
githubWorkflowGenerator = {
outputs = mkOption {
description = mdDoc "outputs to include in workflow";
type = types.listOf types.str;
default = filter (output: elem output supportedOutputs) (attrNames self);
};
platforms = mkOption {
description = mdDoc ''
an attrset that can map a nix system to an architecture and os supported by github
'';
type = types.attrsOf (types.submodule platformMap);
default = {
"x86_64-linux" = {
arch = "x86_64";
os = "ubuntu-latest";
};
"aarch64-linux" = {
arch = "aarch64";
os = "ubuntu-latest";
};
"x86_64-darwin" = {
arch = "x86_64";
os = "macos-latest";
};
};
};
overrides = mkOption {
description = mdDoc "overrides for mkMatrix args";
type = types.attrsOf (types.submodule overrides);
default = {};
example = literalExpression ''
{
githubworkflowGenerator.overrides = {
checks.systems = [ "x86_64-linux" ];
};
}
'';
};
};
};
config.flake.githubWorkflow = {matrix.include = jobs;};
}
|
