mirror of
https://github.com/NiklasGollenstede/nixos-installer.git
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8b0e200c73
add config.wip.fs.temproot.remote.type == none, add config.wip.base.includeInputs, add pkgs.uboot-with-mmc-env, rename config.preface to config.wip.preface
27 lines
1.2 KiB
Nix
27 lines
1.2 KiB
Nix
dirname: inputs@{ self, nixpkgs, ...}: let
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inherit (nixpkgs) lib;
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inherit (import "${dirname}/vars.nix" dirname inputs) startsWith;
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in rec {
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## Logic Flow
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notNull = value: value != null;
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ifNull = value: default: (if value == null then default else value);
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withDefault = default: value: (if value == null then default else value);
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passNull = mayNull: expression: (if mayNull == null then null else expression);
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## Misc
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# Creates a package for `config.systemd.packages` that adds an `override.conf` to the specified `unit` (which is the only way to modify a single service template instance).
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mkSystemdOverride = pkgs: unit: text: (pkgs.runCommandNoCC unit { preferLocalBuild = true; allowSubstitutes = false; } ''
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mkdir -p $out/${lib.escapeShellArg "/etc/systemd/system/${unit}.d/"}
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<<<${lib.escapeShellArg text} cat >$out/${lib.escapeShellArg "/etc/systemd/system/${unit}.d/override.conf"}
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'');
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# Given a message and any value, traces both the message and the value, and returns the value.
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trace = message: value: (builtins.trace (message +": "+ (lib.generators.toPretty { } value)) value);
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}
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