Stuck applying environment

[Hjdskes]

Describe the bug
Symptoms are equal to #49: after selecting the environment, the status remains "Applying environment..." forever.

To Reproduce
Steps to reproduce the behavior:

1. Install nix-env-selector 1.0.7
2. Apply environment:

   { pkgs ? import ./haskell.nix
   , hsPkgs ? import ./default.nix {} }:
   
   let
     terraform = pkgs.terraform_0_14.withPlugins(p: [ p.aws ]);
   in hsPkgs.shellFor {
     # Include only the *local* packages of your project.
     packages = ps: with ps;
       [ shiba ];
   
     # Builds a Hoogle documentation index of all dependencies,
     # and provides a "hoogle" command to search the index.
     withHoogle = true;
   
     # You might want some extra tools in the shell (optional).
   
     # Some common tools can be added with the `tools` argument
     tools = { cabal = "3.2.0.0"; hlint = "2.2.11"; stylish-haskell = "0.12.2.0"; };
     # See overlays/tools.nix for more details
   
     # Some you may need to get some other way.
     buildInputs = with hsPkgs.haskellPackages;
       [ terraform pkgs.awscli ];
   
     # Prevents cabal from choosing alternate plans, so that
     # *all* dependencies are provided by Nix.
     exactDeps = true;
   }

   It's a fairly standard haskell.nix setup. Let me know if you need to see the rest of my nix files as well! I have the same problem with my work machine, with a similar haskell.nix setup.

Expected behavior
I'd expect this plugin to do as advertised and load my nix environment.

Environment:

• OS: Fedora 34 / Mac OS Big Sur
• VS Code 1.55.2
• Version 1.0.7

[ShamrockLee]

Same issue here.

[samuela]

How long does it take to enter the nix-shell from the command line? Sometimes activating a shell.nix requires downloading/building a bunch of stuff and I don't think nix-env-selector has a ui to show this. It just looks like it's taking a really really long time to load.

If nix-shell in the command line runs almost instantaneously but nix-env-selector takes a while than that sounds more like a bug to me.

[samuela]

See also #59

[ShamrockLee]

@samuela In my experience, This extension never finishes applying the environment from a flake, even if it has already been invoked before and the related stuff has been cached.

[samuela]

@ShamrockLee I am now encountering this issue when using flakes as well. nix devlop runs instantaneously but I'm stuck in "Applying environment..." limbo when using nix-env-selector

[aanderse]

@samuela do you get this error when using shell.nix as well, or only with flake.nix?

[samuela]

@samuela do you get this error when using shell.nix as well, or only with flake.nix?

I previously saw this issue when using shell.nix, but it's possible those issues have now been fixed. I continue to see this issue with flake.nix.

[aanderse]

Thanks. For anyone else who runs into this and can't find a solution I was able to get the direnv vscode plugin working nicely.

[aryairani]

I'm having this issue in 1.0.9.
@aanderse How were you able to get the direnv vscode plugin working nicely for this?

[aanderse]

@aryairani what troubles are you having with the direnv plugin? Maybe we should discuss that on their issue tracker instead of here.

[aryairani]

Hi @aanderse
I didn't try it or have troubles, I was just asking to clarify the workaround you mentioned in your earlier message.

[aanderse]

Ah, understood. Simply install the plugin, following instructions, create a .envrc file in your project, then your nix environment is loaded by vscode. Nice and simple.