nix/home-manager/modules/vscode.nix

{ pkgs, inputs, system, ... }:
{
    programs.vscode = let vscode-package = pkgs.vscodium; in {
        enable = true;
        package = vscode-package;
        
        enableUpdateCheck = false;
        enableExtensionUpdateCheck = false;
        mutableExtensionsDir = false;

        extensions = with (inputs.vscode-extensions.extensions."${system}".forVSCodeVersion (
            # Get pkgs.vscodium version, and remove the 4th part (forVSCodeVersion only expects 3 parts)
            # By using forVSCodeVersion, any unsupported versions are automatically excluded and this config
            # won't build (rather than only finding out in vscode itself)
            pkgs.lib.strings.concatStringsSep "." (
                pkgs.lib.lists.take 3 (
                    pkgs.lib.strings.splitString "." vscode-package.version
                )
            )
        )); (
            (with open-vsx; [
                # Language support
                rust-lang.rust-analyzer               # Rust
                llvm-vs-code-extensions.vscode-clangd # C++
                vadimcn.vscode-lldb                   # C++ Debugging
                jnoortheen.nix-ide                    # Nix
                tamasfe.even-better-toml              # TOML
                yzhang.markdown-all-in-one            # Markdown
                denoland.vscode-deno                  # Deno JS/TS
                mathiasfrohlich.kotlin                # Kotlin (no LSP)
                matthewpi.caddyfile-support           # Caddyfile
                # Theming
                pkief.material-icon-theme             # Material icons
                # Utilities
                streetsidesoftware.code-spell-checker # Spellchecking
                jeanp413.open-remote-ssh              # Remote SSH
                mkhl.direnv                           # nix-direnv autoloading
                cschlosser.doxdocgen                  # C++ Doxygen generator
                tomoki1207.pdf                        # PDF Viewing
            ])
            ++ (with vscode-marketplace; [
                yy0931.save-as-root                   # Save as root over SSH
                akiramiyakoda.cppincludeguard         # Auto-insert header guards for header files
            ])
        );

        userSettings = {
            # Editor
            "editor.fontFamily" = "'FiraCode Nerd Font Mono', 'Droid Sans Mono', 'monospace', monospace";
            "editor.indentSize" = "tabSize";
            "editor.tabSize" = 4;
            "files.associations" = {
                "*.hujson" = "jsonc";
            };
            # JJ
            "files.watcherExclude" = {
                "**/.git/objects/**" = true;
                "**/.git/subtree-cache/**" = true;
                "**/.hg/store/**" = true;
                "**/.jj" = true;
            };
            "files.exclude" = {
                "**/.git" = true;
                "**/.jj" = true;
                "**/.svn" = true;
                "**/.hg" = true;
                "**/CVS" = true;
                "**/.DS_Store" = true;
                "**/Thumbs.db" = true;
            };
            # Nix
            "nix.enableLanguageServer" = true;
            "nix.serverPath" = "nixd";
            "nix.serverSettings" = {
                nixd = {
                    formatting = {
                        command = [ "nixfmt" ];
                    };

                    nixpkgs = {
                        expr = ''import (builtins.getFlake "/etc/nixos").inputs.nixpkgs { }'';
                    };

                    options = {
                        nixos = {
                            expr = ''(builtins.getFlake "/etc/nixos").nixosConfigurations.ty-nixos.options'';
                        };
                        home-manager = {
                            expr = ''(builtins.getFlake "/etc/nixos").homeConfigurations."ty".options'';
                        };
                    };
                };
            };
            "direnv.restart.automatic" = true;
            # C++ Include guards
            "C/C++ Include Guard.Comment Style" = "Line";
            "C/C++ Include Guard.Macro Type" = "Filename";
        };
    };
}