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Does anyone have experience with using NixOS, VSCode, direnv, and ElixirLS together? I'm trying to version manage my Elixir version like in asdf-vm
By any chance does anyone here use NixOS, VSCode, and ElixirLS? I’m trying to replace asdf-vm with direnv (because asdf doesnt work very well/at all on NixOS), but ElixirLS is complaining that it can’t find Elixir. This makes sense because the PATH is only correct in the terminal. ElixirLS fixes this when using asdf by simply sourcing the same file the terminal is sourcing, but it doesnt do this with direnv
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So long story short, I’m using a shell.nix where I declare my packages (specific Erlang and Elixir versions) which then get loaded by direnv automatically so I don’t have to type nix-shell in the terminal and get dropped in this barren place instead of my configured shell. However this would still not be correct since I’m using the vscode-elixirls extension, which simply checks whether your path contains the elixir command.
However, I found a very convenient solution. There is a package called Nix Environment Selector for VSCode which is able to load a shell.nix file and then relaunch VSCode in that environment, which is as close as possible to what I was looking for. So mission accomplished and the thread can is solved 
Oh, and thanks for your answer anyway 
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gXuEubhxAgHEd
hum… I don’t have any issue with it on my end with nixos.
in terms of elixir packages, just needed:
pkgs.elixir
pkgs.elixir_ls
and for vscode (ignore the mkIf’s … i am copy and pasting from a custom module where I configure what I want to install) :
programs.vscode = mkIf (cfg.vscode.enable) {
enable = true;
package = pkgs.vscodium;
extensions = mkIf (cfg.vscode.defaultExtensions) [
pkgs.vscode-extensions.bradlc.vscode-tailwindcss
pkgs.vscode-extensions.bungcip.better-toml
pkgs.vscode-extensions.eamodio.gitlens
pkgs.vscode-extensions.jakebecker.elixir-ls
pkgs.vscode-extensions.jnoortheen.nix-ide
pkgs.vscode-extensions.matklad.rust-analyzer
pkgs.vscode-extensions.phoenixframework.phoenix
pkgs.vscode-extensions.serayuzgur.crates
pkgs.vscode-extensions.usernamehw.errorlens
pkgs.vscode-extensions.alefragnani.bookmarks
pkgs.vscode-extensions.thenuprojectcontributors.vscode-nushell-lang
pkgs.vscode-extensions.gruntfuggly.todo-tree
];
};
its also super easy to setup on neovim with nixvim, just enable:
programs.nixvim.plugins.lsp.servers.elixirls.enable = true;
btw… why using direnv and not a nix shell?
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