tvl-depot/users/tazjin/aoc2020/default.nix
Vincent Ambo aa122cbae7 style: format entire depot with nixpkgs-fmt
This CL can be used to compare the style of nixpkgs-fmt against other
formatters (nixpkgs, alejandra).

Change-Id: I87c6abff6bcb546b02ead15ad0405f81e01b6d9e
Reviewed-on: https://cl.tvl.fyi/c/depot/+/4397
Tested-by: BuildkiteCI
Reviewed-by: sterni <sternenseemann@systemli.org>
Reviewed-by: lukegb <lukegb@tvl.fyi>
Reviewed-by: wpcarro <wpcarro@gmail.com>
Reviewed-by: Profpatsch <mail@profpatsch.de>
Reviewed-by: kanepyork <rikingcoding@gmail.com>
Reviewed-by: tazjin <tazjin@tvl.su>
Reviewed-by: cynthia <cynthia@tvl.fyi>
Reviewed-by: edef <edef@edef.eu>
Reviewed-by: eta <tvl@eta.st>
Reviewed-by: grfn <grfn@gws.fyi>
2022-01-31 16:11:53 +00:00

26 lines
727 B
Nix

# Solutions for Advent of Code 2020, written in Emacs Lisp.
#
# For each day a new file is created as "solution-day$n.el".
{ depot, pkgs, ... }:
let
inherit (builtins) attrNames filter head listToAttrs match readDir;
dir = readDir ./.;
matchSolution = match "solution-(.*)\.el";
isSolution = f: (matchSolution f) != null;
getDay = f: head (matchSolution f);
solutionFiles = filter (e: dir."${e}" == "regular" && isSolution e) (attrNames dir);
solutions = map
(f:
let day = getDay f; in depot.nix.writeElispBin {
name = day;
deps = p: with p; [ dash s ht p.f ];
src = ./. + ("/" + f);
})
solutionFiles;
in
pkgs.symlinkJoin {
name = "aoc2020";
paths = solutions;
}