Add nix flake support

This commit is contained in:
Tim Van Baak 2021-12-22 18:15:44 -08:00
parent c592951636
commit cab6072bd8
3 changed files with 87 additions and 2 deletions

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Repository of lists of one-liners to use as a message-of-the-day.
`boi-rebirth-fortunes.txt` is taken from The Binding of Isaac: Rebirth.
## flake
The defaultPackage output of this repository's flake is a derivation containing the motd files in this repository.
## sources
* `boi-rebirth-fortunes.txt` is taken from the Fortune Telling Machine messages from The Binding of Isaac: Rebirth.
* `40k-thought-for-the-day.txt` is sourced from 40k Lexicanum.
`40k-thought-for-the-day.txt` is sourced from 40k Lexicanum.

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flake.lock Normal file
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{
"nodes": {
"flake-utils": {
"locked": {
"lastModified": 1638122382,
"narHash": "sha256-sQzZzAbvKEqN9s0bzWuYmRaA03v40gaJ4+iL1LXjaeI=",
"owner": "numtide",
"repo": "flake-utils",
"rev": "74f7e4319258e287b0f9cb95426c9853b282730b",
"type": "github"
},
"original": {
"owner": "numtide",
"repo": "flake-utils",
"type": "github"
}
},
"nixpkgs": {
"locked": {
"lastModified": 1640223855,
"narHash": "sha256-2bOGDrou/P0E85O5CzcZcHrvDBR78kRIwSPMlaLnFb8=",
"owner": "NixOS",
"repo": "nixpkgs",
"rev": "e7f5c0a08e442ed5772852b9f832d5d716020ebf",
"type": "github"
},
"original": {
"owner": "NixOS",
"repo": "nixpkgs",
"type": "github"
}
},
"root": {
"inputs": {
"flake-utils": "flake-utils",
"nixpkgs": "nixpkgs"
}
}
},
"root": "root",
"version": 7
}

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flake.nix Normal file
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{
description = "A flake of MOTD files.";
inputs.nixpkgs.url = github:NixOS/nixpkgs;
inputs.flake-utils.url = github:numtide/flake-utils;
outputs = { self, nixpkgs, flake-utils }:
let
motdFiles = {
"40k" = ./40k-thought-for-the-day.txt;
rebirth = ./boi-rebirth-fortunes.txt;
};
in
flake-utils.lib.eachDefaultSystem (system:
let
pkgs = nixpkgs.legacyPackages.${system};
motd = pkgs.stdenv.mkDerivation {
pname = "motd";
version = "1.0";
builder = builtins.toFile "motd-builder.sh" ''
source $stdenv/setup
mkdir -p $out
${builtins.foldl'
(a: b: "${a}\n${b}")
""
(map
(attr: "cp ${motdFiles.${attr}} $out/${attr}.txt")
(builtins.attrNames motdFiles))}
'';
};
in
{
defaultPackage = motd;
}
);
}