Add gettext and sqlite to devshell

flake.nix

@@ -14,10 +14,11 @@
 
       outputsBuilder = channels:
         let
-          inherit (channels.nixpkgs) system lib;
+          pkgs = channels.nixpkgs;
+          inherit (pkgs) system lib;
           mach-nix = inputs.mach-nix.lib."${system}";
         in {
-          devShells.default = channels.nixpkgs.mkShell {
+          devShells.default = pkgs.mkShell {
             buildInputs = [
               (mach-nix.mkPython {
                 python = "python37";
@@ -28,11 +29,14 @@
                 ];
               })
 
-              (channels.nixpkgs.texlive.combine {
-                inherit (channels.nixpkgs.texlive)
+              (pkgs.texlive.combine {
+                inherit (pkgs.texlive)
                   scheme-basic beamer luatex collection-latexrecommended
                   collection-latexextra collection-fontsextra;
               })
+
+              pkgs.gettext
+              pkgs.sqlite
             ];
           };
         };