From 8b17c37828f9242e82ffb5dbeffeed8acf33a812 Mon Sep 17 00:00:00 2001
From: Profpatsch <mail@profpatsch.de>
Date: Sat, 20 Jul 2024 15:10:15 +0200
Subject: machines/profpatsch: get rid of toml experiment
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It was an … idea. But lol.
---
 pkgs/profpatsch/nixos-toml-modules.nix | 119 ---------------------------------
 1 file changed, 119 deletions(-)
 delete mode 100644 pkgs/profpatsch/nixos-toml-modules.nix

(limited to 'pkgs/profpatsch/nixos-toml-modules.nix')

diff --git a/pkgs/profpatsch/nixos-toml-modules.nix b/pkgs/profpatsch/nixos-toml-modules.nix
deleted file mode 100644
index 1424292a..00000000
--- a/pkgs/profpatsch/nixos-toml-modules.nix
+++ /dev/null
@@ -1,119 +0,0 @@
-{ lib }:
-
-let
-  tv = lib.traceValSeqN 3;
-  parseSemver = s:
-    let els = lib.splitString "." s;
-    in assert (lib.assertMsg (builtins.length els == 3) "semver must be of the form maj.min.patch, was ${s}"); {
-        major = lib.head els;
-        minor = lib.head (lib.tail els);
-        patch = lib.head (lib.tail (lib.tail els));
-      };
-  semver = major: minor: patch: { inherit major minor patch; };
-
-  nixos-options-0_0_1 = {toml, tomlFileDir}:
-    let
-      toOption = { description, type, default }: lib.mkOption {
-        inherit description default;
-        # TODO: this only works for types which are not functions obviously
-        type = lib.types.${type};
-      };
-
-      transformOptions =
-        let isOptionAttrset = a: a ? description && a ? type && a ? default;
-        in lib.mapAttrsRecursiveCond
-          # TODO: if an option set had these fields for any reason,
-          # we wouldn’t recognize it as an option.
-          # Maybe there should be an escape hatch in the toml description?
-          # We wouldn’t want the toml description to need an extra annotation for an option definition
-          (attrs: !isOptionAttrset attrs)
-          (_path: attrs:
-            if isOptionAttrset attrs
-            then toOption attrs
-            else lib.id);
-
-    in {
-      options = transformOptions toml;
-    };
-
-  nixos-config-0_0_1 = {toml, tomlFileDir } : config:
-    let
-      configVariables = toml.configVariables or {};
-      getSingleAttr = attrs: errWrongLength:
-        let keys = lib.attrNames attrs;
-            len = lib.length keys;
-        in
-        assert lib.assertMsg (len == 1)
-          (errWrongLength { num = len; keys = keys; });
-        let key = lib.head keys;
-        in { name = key; value = attrs.${key}; };
-      mapIfAttrs = attrKeys: f: attrs:
-        # lib.attrNames is always sorted like (lib.sort lib.lessThan)
-        if (lib.sort lib.lessThan attrKeys) == (lib.attrNames attrs)
-        then { mapped = true; val = f attrs; }
-        else { mapped = false; val = attrs; };
-
-      transformConfigVariable = { _configVariable }:
-        let var = getSingleAttr _configVariable
-          ({ num, keys }: "_configVariable must have exactly one attribute, the config variable to match, but you gave ${toString num}: ${lib.generators.toPretty {} keys}");
-        in
-        assert lib.assertMsg (configVariables ? ${var.name})
-          "_configVariable referenced ${var.name}, but you haven’t specified ${var.name} in [configVariables], only: ${lib.generators.toPretty {} toml.configVariables}";
-        let
-          initialPath = configVariables.${var.name};
-          lastPathElem = var.value;
-        in lib.getAttrFromPath (initialPath ++ [lastPathElem]) config;
-
-      relativeStringToPath = parentPath: relString: parentPath + ("/" + relString);
-      transformImports = map ({module}: relativeStringToPath tomlFileDir module);
-
-      # recurse a structure of attrsets and lists recursively.
-      # f takes the current value and returns a { recurse : bool, val : a}
-      # where if recurse is true the result of f (val) will be recursed into further
-      # and val is the returned value.
-      mapValRecursive = f: val:
-        let mapped = f val;
-        in if !mapped.recurse then mapped.val
-        else if lib.isAttrs mapped.val
-          then lib.mapAttrs (_: mapValRecursive f) mapped.val
-        else if lib.isList mapped.val
-          then map (mapValRecursive f) mapped.val
-        else mapped.val;
-
-      transformConfig =
-        { imports = transformImports toml.imports;
-          config =
-            mapValRecursive
-              (val:
-                 if lib.isAttrs val
-                 then
-                   let m = mapIfAttrs [ "_configVariable" ] transformConfigVariable val;
-                   in { recurse = !m.mapped; val = m.val; }
-                 else { recurse = true; inherit val; })
-              (removeAttrs toml [ "imports" "configVariables" ]);
-        };
-
-    in transformConfig;
-
-  readAnyToml = filePath:
-    let
-      toml = builtins.fromTOML (builtins.readFile filePath);
-      parsers = {
-        "nixos-options" = {
-          "0.0.1" = nixos-options-0_0_1;
-        };
-        "nixos-config" = {
-          "0.0.1" = nixos-config-0_0_1;
-        };
-      };
-       # TODO: these errors are gonna be horrible …
-    in parsers.${toml.module.type}.${toml.module.version} {
-        toml = (removeAttrs toml [ "module" ]);
-        tomlFileDir = builtins.dirOf filePath;
-    };
-
-in {
-  inherit
-    readAnyToml
-    ;
-}
-- 
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