ref(nix): export lib

nix/custom/hiosevka/buildplan.toml

@@ -0,0 +1,28 @@
+[buildPlans.hiosevka]
+family = "hIosekva"
+spacing = "term"
+serifs = "sans"
+
+[buildPlans.hiosevka.ligations]
+inherits = "haskell"
+enables = [
+    "brst",           # (* *)
+    "logic",          # \/ /\
+    "lteq-separate",  # <=
+    "gteq-separate",  # >=
+    "slash-asterisk", # /* */
+]
+disables = [
+    "lteq", # <=
+    "gteq", # >=
+]
+
+[buildPlans.hiosevka.variants.design]
+capital-z = 'straight-serifless-with-crossbar'
+capital-q = 'crossing'
+lower-lambda = 'tailed-turn'
+seven = 'straight-serifless-crossbar'
+number-sign = 'slanted'
+ampersand = "upper-open"
+dollar = 'open'
+percent = 'rings-continuous-slash-also-connected'

nix/custom/hiosevka/default.nix

@@ -0,0 +1,14 @@
+{pkgs}: let
+  pname = "hiosevka";
+in
+  (pkgs.iosevka.overrideAttrs (_: {inherit pname;}))
+  .override {
+    set = pname;
+    /*
+    Guide: https://github.com/be5invis/Iosevka/blob/main/doc/custom-build.md
+
+    Use `term` spacing to avoid dashed arrow issue
+    https://github.com/ryanoasis/nerd-fonts/issues/1018
+    */
+    privateBuildPlan = builtins.readFile ./buildplan.toml;
+  }