How to work around broken ‘gst-plugins-base-0.10.36’ when `nixos-rebuild swtich`?

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1

I hit an error when running sudo nixos-rebuild switch:

building the system configuration...
error: Package ‘gst-plugins-base-0.10.36’ in /nix/store/yb3syfc6v7sbg3n62cyy29ymiyk779ki-nixos-20.09pre239318.c59ea8b8a0e/nixos/pkgs/development/libraries/gstreamer/legacy/gst-plugins-base/default.nix:55 is marked as broken, refusing to evaluate.

It seems to have things to do with appimage-run: depends on broken gst-plugins-base · Issue #93174 · NixOS/nixpkgs · GitHub. But I don’t know how to work around it.

Is it a good idea to set { nixpkgs.config.allowBroken = true; } just to do the switch?

2

@WilliamHamilton mentioned in #nixos, he bisected the his package list, and found out steam and appimage_run were the ones causing the problem.

I have steam disabled, worked around this problem.

Question, what is the nix way to find out which package in the config depend on certain package?

3

If I’m right, you can use --verbose flag, it should display what dependancies it can’t build that need gst-plugins-base

4

Maybe --show-trace will be more helpful for this than --verbose.

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5

The full trace is here.

I didn’t realize when I first captured the trace. Now take a second look, steam-run was mentioned in the trace. I just didn’t look close enough.

while evaluating the attribute 'buildCommand' of the derivation 'steam-run' at /nix/store/yb3syfc6v7sbg3n62cyy29ymiyk779ki-nixos-20.09pre239318.c59ea8b8a0e/nixos/pkgs/build-support/trivial-builders.nix:7:7:

Thanks~

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