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improve passing host and channel arguments to fup

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we need to filter out arguments that are added in the devos api
also anything thats null in either hostDefaults and hosts has to be
removed
This commit is contained in:
Pacman99 2021-04-27 08:01:46 -07:00
parent 064ba88cdf
commit 466304c8cd
3 changed files with 25 additions and 21 deletions
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8
flake.lock
View file

@ -81,7 +81,7 @@
"utils": "utils_2"
},
"locked": {
"narHash": "sha256-clwJnNLVOASak2CfkWu3Yztb1uWwtndY4VLDWEa9R3s=",
"narHash": "sha256-TOrVXGFk5rt1Wn14ja2spg44NuZnFM/V6qguQfO+8Kc=",
"path": "./lib",
"type": "path"
},
@ -355,11 +355,11 @@
"flake-utils": "flake-utils"
},
"locked": {
"lastModified": 1619480667,
"narHash": "sha256-KBiMpZcCv7D3wQ51ow7Sq8Xl01hDiRp5f7Py93CeD40=",
"lastModified": 1619532520,
"narHash": "sha256-+xIFAW5J0AcxwAflAX1gg/C8kfaqeZbS4XAZusCrZPY=",
"owner": "gytis-ivaskevicius",
"repo": "flake-utils-plus",
"rev": "be032a4396ad4cd7ea9bb733db8e456ec339ac9c",
"rev": "8eb7f9206713a528174c20c5133521dc37e2bfb1",
"type": "github"
},
"original": {

6
lib/flake.lock
View file

@ -146,11 +146,11 @@
"flake-utils": "flake-utils"
},
"locked": {
"lastModified": 1619480667,
"narHash": "sha256-KBiMpZcCv7D3wQ51ow7Sq8Xl01hDiRp5f7Py93CeD40=",
"lastModified": 1619532520,
"narHash": "sha256-+xIFAW5J0AcxwAflAX1gg/C8kfaqeZbS4XAZusCrZPY=",
"owner": "gytis-ivaskevicius",
"repo": "flake-utils-plus",
"rev": "be032a4396ad4cd7ea9bb733db8e456ec339ac9c",
"rev": "8eb7f9206713a528174c20c5133521dc37e2bfb1",
"type": "github"
},
"original": {

32
lib/mkFlake/default.nix
View file

@ -25,35 +25,39 @@ let
})
];
stripChannel = channel: removeAttrs channel [
# arguments in our channels api that shouldn't be passed to fup
"overlays"
];
getDefaultChannel = channels: channels.${cfg.nixos.hostDefaults.channelName};
# evalArgs sets channelName and system to null by default
# but for proper default handling in fup, null args have to be removed
stripHost = args: removeAttrs (lib.filterAttrs (_: arg: arg != null) args) [
# arguments in our hosts/hostDefaults api that shouldn't be passed to fup
"externalModules"
];
hosts = lib.mapAttrs (_: stripHost) cfg.nixos.hosts;
hostDefaults = stripHost cfg.nixos.hostDefaults;
in
lib.systemFlake (lib.recursiveUpdate
otherArguments
{
inherit self inputs;
inherit self inputs hosts;
inherit (cfg) channelsConfig supportedSystems;
channels = mapAttrs
(name: channel:
channel // {
stripChannel (channel // {
# pass channels if "overlay" has three arguments
overlaysBuilder = channels: lib.unifyOverlays channels channel.overlays;
}
})
) cfg.channels;
# the host arguments cannot exist for fup hostDefaults to work
# so evalArgs sets them to null by default and the null args are filtered out here
hosts = mapAttrs (_: host: lib.filterAttrs (_: arg: arg != null) host) cfg.nixos.hosts;
hostDefaults = {
hostDefaults = lib.mergeAny hostDefaults {
specialArgs.suites = cfg.nixos.suites;
modules = cfg.nixos.hostDefaults.modules
++ cfg.nixos.hostDefaults.externalModules
++ defaultModules;
modules = cfg.nixos.hostDefaults.externalModules ++ defaultModules;
builder = os.devosSystem { inherit self inputs; };
inherit (cfg.nixos.hostDefaults)
channelName
system;
};
nixosModules = lib.exporter.modulesFromList cfg.nixos.hostDefaults.modules;