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68 lines
2.3 KiB
Nix
68 lines
2.3 KiB
Nix
# This file is used to flattenize release.nix for `nix-env` use.
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# In turn, this is used by the CI steps for validating the evaluation is still
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# working fine, and to get a list of diffs for the changes.
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let
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# Evaluate release.nix
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release = import ../release.nix {
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systems = [ "aarch64-linux" "x86_64-linux" ];
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};
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# Get "a" Nixpkgs for its lib.
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pkgs = import <nixpkgs> {};
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inherit (pkgs) lib;
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# And import what we need in scope.
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inherit (lib.attrsets) getAttrFromPath nameValuePair mapAttrs' mapAttrsToList;
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inherit (lib.strings) splitString;
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inherit (lib.lists) flatten;
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# Given a path, returns the attrset at that path in release,
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# with the attribute names prefixed with path.
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dig = dig' release;
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# Given a path, returns the attrset at that path in attrset,
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# with the attribute names prefixed with path.
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dig' = attrset: path:
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mapAttrs' (name: value: nameValuePair "${path}.${name}" value)
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(getAttrFromPath (splitString "." path) attrset)
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;
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# Flattened attrset of device builds.
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devices =
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let
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# Listifies devices in a list of lists of nameValuePairs.
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# This will be flattened and re-hydrated in a shallow attrset.
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devicesList =
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mapAttrsToList
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(deviceName: list: mapAttrsToList (platformName: value: {
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name = "device.${deviceName}.${platformName}";
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value = value;
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}) list)
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release.device
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;
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in
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builtins.listToAttrs (flatten devicesList)
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;
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flattened =
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# If this fails, evaluations probably don't receive additional configuration
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# configuring nixpkgs.localSystem.
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assert devices."device.asus-z00t.aarch64-linux" != devices."device.asus-z00t.x86_64-linux";
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release //
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devices //
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# We could try and do something smart to unwrap two levels of attrsets
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# automatically, but by stating we want those paths we are ensuring that
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# they are still present in the attrsets.
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(dig "examples-demo.aarch64-linux") //
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(dig "overlay.aarch64-linux.aarch64-linux") //
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(dig "overlay.x86_64-linux.aarch64-linux-cross") //
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(dig "overlay.x86_64-linux.armv7l-linux-cross") //
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(dig "overlay.x86_64-linux.x86_64-linux")
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;
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# Escape the name so `nix-env` will show it.
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escapeName = builtins.replaceStrings ["."] ["++"];
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in
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mapAttrs'
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(name: value: nameValuePair (escapeName name) value)
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flattened
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