Derivation for GTK App - Unable to find GdkX11

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1

I’m working on making a derivation for polydock. I’ve sucessfully got a working build using pnpm2nix - however I end up with an error when trying to run the produced binary.

(gjs:53948): Gjs-CRITICAL **: 18:47:54.412: JS ERROR: Error: Requiring GdkX11, version 3.0: Typelib file for namespace 'GdkX11', version '3.0' not found
@/nix/store/bdzsb8g4115j2dxy4b9abldbjrf5jmll-polydock-master-2023-10-06/bin/.polydock-wrapped:749:1

I’m not sure I’ve packaged a GTK based app before, so I’m not too sure what to do. I have what I thought were the relevant libraries in buildInputs. I tried using wrapGAppsHook, but it doesn’t seem to work. I Imagine it’s something simple that I just don’t know at the moment.

(Also - if anyone happens to know why the CI has failed then I’d appreciate knowing. Building on my own system is fine. I’ll post separately if I get a fully working package first though!)

My current derivation is here:

Thanks for any help in advance!

2

You need to add gobject-introspection to nativeBuildInputs. The
package contains a setup hook that will collect paths to typelibs and
pass them inside GI_TYPELIB_PATH to the wrapper. See also the
introspection typelibs
section
of the Nixpkgs manual.

Also gtk3-x11 already contains gtk3 so you only want to provide one
of them (and on Linux, they are the same derivation).

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