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| -rw-r--r-- | tools/aoc2019/default.nix | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/tools/aoc2019/default.nix b/tools/aoc2019/default.nix new file mode 100644 index 000000000000..3c10ea88b1c8 --- /dev/null +++ b/tools/aoc2019/default.nix @@ -0,0 +1,22 @@ +# Solutions for Advent of Code 2019, written in Emacs Lisp. +# +# For each day a new file is created as "solution-day$n.el". +{ pkgs, ... }: + +let + inherit (builtins) attrNames filter head listToAttrs match readDir; + dir = readDir ./.; + matchSolution = match "solution-(.*)\.el"; + isSolution = f: (matchSolution f) != null; + getDay = f: head (matchSolution f); + + solutionFiles = filter (e: dir."${e}" == "regular" && isSolution e) (attrNames dir); + solutions = map (f: let day = getDay f; in { + name = day; + value = pkgs.writeElispBin { + name = "solution-${day}"; + deps = p: with p; [ dash s ht ]; + src = ./. + ("/" + f); + }; + }) solutionFiles; +in listToAttrs solutions |