Add packages/fontbase.nix

packages/fontbase.nix

@@ -0,0 +1,44 @@
+{ appimageTools, fetchurl, lib, gsettings-desktop-schemas, gtk3, makeDesktopItem }:
+
+let pname = "FontBase";
+    version = "2.10.3";
+    desktopItem = makeDesktopItem {
+      name = pname;
+      desktopName = "FontBase";
+      comment = "Font management. Perfected.";
+      icon = "fonts";
+      terminal = "false";
+      exec = pname;
+      categories = "Graphics;";
+    };
+in appimageTools.wrapType2 rec {
+  name = "${pname}-${version}";
+  src = fetchurl {
+    url = "https://releases.fontba.se/linux/${pname}-${version}.AppImage";
+    sha256 = "1c4xaxlm95sqvn7fqqdkbgnvb12x5wmds5ayx124sxb6mnkfpkq5";
+  };
+
+  profile = ''
+    export LC_ALL=C.UTF-8
+    export XDG_DATA_DIRS=${gsettings-desktop-schemas}/share/gsettings-schemas/${gsettings-desktop-schemas.name}:${gtk3}/share/gsettings-schemas/${gtk3.name}:$XDG_DATA_DIRS
+  '';
+
+  multiPkgs = null; # no 32bit needed
+  extraPkgs = p: (appimageTools.defaultFhsEnvArgs.multiPkgs p);
+
+  extraInstallCommands = ''
+    mv $out/bin/{${name},${pname}}
+    chmod +x $out/bin/${pname}
+    mkdir -p "$out/share/applications/"
+    cp "${desktopItem}"/share/applications/* "$out/share/applications/"
+    substituteInPlace $out/share/applications/*.desktop --subst-var out
+  '';
+
+  meta = with lib; {
+    description = "Font management. Perfected.";
+    homepage = https://fontba.se/;
+    # license = licenses.isc;
+    platforms = [ "x86_64-linux" ];
+    maintainers = with maintainers; [ hlissner ];
+  };
+}