working fish shell

modules/user/shell/default.nix

@@ -0,0 +1,26 @@
+# This shell setup was inspired by sioodmy. Check out his setup!
+{pkgs, ...}: let
+  toml = pkgs.formats.toml {};
+  starship-config = import ./starship.nix;
+  aliases = import ./aliases.nix {inherit pkgs;};
+
+  fishinit = import ./fishinit.nix {inherit pkgs aliasesStr;};
+
+  aliasesStr =
+    pkgs.lib.concatStringsSep "\n"
+    (pkgs.lib.mapAttrsToList (k: v: "alias ${k}=\"${v}\"") aliases);
+  packages = import ./packages.nix pkgs;
+in
+  (pkgs.symlinkJoin {
+    name = "fish-wrapped";
+    paths = [pkgs.fish] ++ packages;
+    buildInputs = [pkgs.makeWrapper];
+    postBuild = ''
+      wrapProgram $out/bin/fish --set STARSHIP_CONFIG "${toml.generate "starship.toml" starship-config}" \
+    '';
+  })
+  .overrideAttrs (_: {
+    passthru = {
+      shellPath = "/bin/fish";
+    };
+  })