1 files changed, 90 insertions, 0 deletions

diff --git a/flake.nix b/flake.nix
new file mode 100644
index 0000000..cb2c04c
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,90 @@
+{
+  description = "Scientifica: tall and condensed bitmap font for geeks";
+
+  inputs = {
+
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-21.05";
+
+    bitsnpicas-src = {
+      url = "github:kreativekorp/bitsnpicas";
+      flake = false;
+    };
+
+  };
+
+  outputs =
+    { self
+    , nixpkgs
+    , bitsnpicas-src
+    , ...
+    }:
+    let
+      supportedSystems = [ "x86_64-linux" "x86_64-darwin" ];
+      forAllSystems = nixpkgs.lib.genAttrs supportedSystems;
+
+      nixpkgsFor = forAllSystems (system:
+        import nixpkgs {
+          inherit system;
+          overlays = [ self.overlay ];
+        });
+    in
+    {
+
+      overlay = final: prev: rec {
+
+        bitsnpicas = with final; pkgs.writeScriptBin "bitsnpicas" ''
+          ${jdk}/bin/java -jar ${bitsnpicas-src}/downloads/BitsNPicas.jar 
+        '';
+
+        scientifica = with final; pkgs.stdenvNoCC.mkDerivation {
+          pname = "scientifica";
+          version = "v2.3";
+          src = ./.;
+
+          buildPhase = ''
+            runHook preBuild
+
+            fontforge=${pkgs.fontforge}/bin/fontforge
+            bitsnpicas=${self.packages.bitsnpicas}/bin/bitsnpicas
+
+            ff_filter() {
+              fontforge -c 'open(argv[1]).generate(argv[2])' "$@"
+            }
+
+            ttf_filter() {
+              bitsnpicas convertbitmap -f ttf -o "$2" "$1"
+            }
+
+            mkdir -p $out/{ttf,otb,bdf}
+
+            pushd $src
+
+            # generate font files
+            for i in *; do
+              local file_name
+              file_name="''${i%.*}"
+              ttf_filter "$i" "$out/ttf/$file_name.ttf"
+              ff_filter "$i" "$out/otb/$file_name.otb"
+              ff_filter "$i" "$out/bdf/$file_name.bdf"
+            done
+
+            # copy ligature plugins
+            cp -r $src/ligature_plugins $out/ligature_plugins
+
+            popd
+
+            runHook postBuild
+          '';
+
+        };
+
+      };
+
+      packages = forAllSystems (system: {
+        inherit (nixpkgsFor."${system}") scientifica bitsnpicas;
+      });
+
+      defaultPackage = forAllSystems (system: self.packages."${system}".scientifica);
+
+    };
+}