Remove nvim-mason, using nix to manager LSP installs instead

config/nvim/lua/config/mason.lua

@@ -1,13 +0,0 @@
-return {
-    pip = {
-        upgrade_pip = true,
-    },
-    ui = {
-        border = "single",
-        icons = {
-            package_installed = "✓",
-            package_pending = "➜",
-            package_uninstalled = "✗",
-        },
-    },
-}

config/nvim/lua/config/mason_lspconfig.lua

@@ -1,3 +0,0 @@
-return {
-    automatic_installation = false,
-}

config/nvim/lua/config/mason_null_ls.lua

@@ -1,4 +0,0 @@
-return {
-    automatic_installation = false,
-    automatic_setup = true,
-}

config/nvim/lua/config/mason_nvim_dap.lua

@@ -1,4 +0,0 @@
-return {
-    automatic_installation = false,
-    automatic_setup = true,
-}

config/nvim/lua/lsp/cmp.lua

@@ -50,6 +50,12 @@ cmp.setup.filetype("python", {
     },
 })
 
+cmp.setup.filetype("nix", {
+    sources = {
+        { name = "nvim_lsp" },
+    },
+})
+
 cmp.setup.filetype("gitcommit", {
     sources = {
         { name = "nvim_lsp" },

config/nvim/lua/lsp/config.lua

@@ -14,32 +14,26 @@ for type, icon in pairs(signs) do
     vim.fn.sign_define(hl, { text = icon, texthl = hl, numhl = hl })
 end
 
-require("mason").setup()
-require("mason-lspconfig").setup(require "config.mason_lspconfig")
-require("mason-null-ls").setup(require "config.mason_null_ls")
-require("mason-nvim-dap").setup()
 require("neodev").setup()
 
 M.on_attach = require "lsp.attach"
 M.lsp_flags = require "lsp.flags"
 M.capabilities = require("cmp_nvim_lsp").default_capabilities()
 
-require("mason-lspconfig").setup_handlers {
-    function(server_name)
-        require("lspconfig")[server_name].setup {
+local servers = { "jedi_language_server", "lua_ls", "rnix", "nil_ls", "fortls" }
+for _, name in ipairs(servers) do
+    require("lspconfig")[name].setup {
         on_attach = M.on_attach,
         flags = M.lsp_flags,
         capabilities = M.capabilities,
     }
-    end,
-}
+end
+
 require("null-ls").setup {
     sources = require "lsp.null_ls_sources",
     on_attach = M.on_attach,
     flags = M.lsp_flags,
     capabilities = M.capabilities,
 }
-require("mason-null-ls").setup_handlers()
-require("mason-nvim-dap").setup_handlers()
 
 return M

config/nvim/lua/lsp/null_ls_sources.lua

@@ -3,6 +3,7 @@ return {
     null_ls.builtins.code_actions.gitsigns,
     null_ls.builtins.diagnostics.zsh,
     null_ls.builtins.diagnostics.mypy,
+    null_ls.builtins.diagnostics.ruff,
     null_ls.builtins.formatting.black,
     null_ls.builtins.formatting.isort,
     null_ls.builtins.formatting.trim_whitespace,

config/nvim/lua/plugins/mason.lua

@@ -1,33 +0,0 @@
-return {
-    {
-        "williamboman/mason.nvim",
-        cmd = {
-            "Mason",
-        },
-        config = function() require("mason").setup(require "config.mason") end,
-    },
-    {
-        "williamboman/mason-lspconfig.nvim",
-        dependencies = {
-            "williamboman/mason.nvim",
-            "neovim/nvim-lspconfig",
-        },
-        lazy = true,
-    },
-    {
-        "jay-babu/mason-null-ls.nvim",
-        dependencies = {
-            "jose-elias-alvarez/null-ls.nvim",
-            "neovim/nvim-lspconfig",
-        },
-        lazy = true,
-    },
-    {
-        "jay-babu/mason-nvim-dap.nvim",
-        dependencies = {
-            "mfussenegger/nvim-dap",
-            "neovim/nvim-lspconfig",
-        },
-        lazy = true,
-    },
-}

nixos/desktop/picom.nix

@@ -8,15 +8,6 @@
     shadow = true;
     fade = true;
     activeOpacity = 1.0;
-    inactiveOpacity = 0.8;
-    settings = {
-      blur =
-        {
-          method = "dual_kawase";
-          size = 10;
-          deviation = 5.0;
-          strength = 7;
-        };
-    };
+    inactiveOpacity = 1.0;
   };
 }

nixos/home-manager/packages/tui/default.nix

@@ -8,5 +8,7 @@
   programs.neovim.defaultEditor = true;
   home.packages = with pkgs; [
     (nerdfonts.override { fonts = [ "FiraCode" ]; })
+    file
+    silver-searcher
   ];
 }

nixos/home-manager/packages/tui/neovim.nix

@@ -3,21 +3,35 @@
 {
   programs.neovim = {
     enable = true;
+    defaultEditor = true;
     viAlias = true;
     vimAlias = true;
     vimdiffAlias = true;
     withNodeJs = true;
+    withRuby = true;
     withPython3 = true;
-  };
-  home.packages = with pkgs; [
+    extraPackages = with pkgs; [
+      # Used by installed plugins
       gnumake
       gcc
-    python310Packages.mypy
-    python310Packages.black
-    python310Packages.isort
       fzf
       ripgrep
-    cargo
-    rustc
+      # LSP config
+      # Python
+      mypy
+      black
+      isort
+      ruff
+      # Nix
+      rnix-lsp
+      nil
+      # Lua
+      sumneko-lua-language-server
+      # Fortran
+      fortran-language-server
     ];
+    extraPython3Packages = ps: with ps; [
+      jedi
+    ];
+  };
 }