add existence checks for neovim

home/private_dot_config/nvim/lua/config/autocmds.lua

@@ -6,8 +6,7 @@ vim.api.nvim_create_autocmd({ "BufEnter", "BufWinEnter" }, {
   command = "set syntax=lua",
 })
 
-
 vim.api.nvim_create_autocmd({ "BufEnter", "BufWinEnter" }, {
-  pattern = { "*.md"},
-  command = "set conceallevel=0"
+  pattern = { "*.md" },
+  command = "set conceallevel=0",
 })

home/private_dot_config/nvim/lua/config/options.lua

@@ -10,7 +10,6 @@ vim.opt.timeoutlen = 200
 
 vim.g.autoformat = false
 
-
 -- make .roc files have the correct filetype
 vim.api.nvim_create_autocmd({ "BufEnter", "BufWinEnter" }, {
   pattern = { "*.roc" },

home/private_dot_config/nvim/lua/plugins/language/go.lua

@@ -1,5 +1,8 @@
--- adapted from https://www.lazyvim.org/extras/lang/go
+if not vim.fn.executable("go") then
+  return
+end
 
+-- adapted from https://www.lazyvim.org/extras/lang/go
 return {
   {
     "nvim-treesitter/nvim-treesitter",

home/private_dot_config/nvim/lua/plugins/language/markdown.lua

@@ -1,22 +1,21 @@
 return {
-  require("util").setup_lang({treesitter = {"markdown", "markdown_inline"}}),
+  require("util").setup_lang({ treesitter = { "markdown", "markdown_inline" } }),
   {
-  "iamcco/markdown-preview.nvim",
-  cmd = { "MarkdownPreviewToggle", "MarkdownPreview", "MarkdownPreviewStop" },
-  build = function()
-    vim.fn["mkdp#util#install"]()
-  end,
-  keys = {
-    {
-      "<leader>cp",
-      ft = "markdown",
-      "<cmd>MarkdownPreviewToggle<cr>",
-      desc = "Markdown Preview",
+    "iamcco/markdown-preview.nvim",
+    cmd = { "MarkdownPreviewToggle", "MarkdownPreview", "MarkdownPreviewStop" },
+    build = function()
+      vim.fn["mkdp#util#install"]()
+    end,
+    keys = {
+      {
+        "<leader>cp",
+        ft = "markdown",
+        "<cmd>MarkdownPreviewToggle<cr>",
+        desc = "Markdown Preview",
+      },
     },
+    config = function()
+      vim.cmd([[do FileType]])
+    end,
   },
-  config = function()
-    vim.cmd([[do FileType]])
-  end,
-}
-
 }

home/private_dot_config/nvim/lua/plugins/language/nim.lua

@@ -1,3 +1,7 @@
+if not vim.fn.executable("nim") then
+  return
+end
+
 return {
   require("util").setup_lang({ treesitter = { "nim", "nim_format_string" } }),
   {
@@ -6,8 +10,8 @@ return {
       servers = {
         nim_langserver = {
           mason = false,
-        }
-      }
-    }
-  }
+        },
+      },
+    },
+  },
 }

home/private_dot_config/nvim/lua/plugins/language/nix.lua

@@ -1,3 +1,7 @@
+if not vim.fn.executable("nix") then
+  return
+end
+
 return {
   require("util").setup_lang({ treesitter = { "nix" } }),
   {
@@ -8,7 +12,7 @@ return {
           mason = false,
         },
         -- nil_ls = {
-          -- mason = false,
+        -- mason = false,
         -- },
       },
     },

home/private_dot_config/nvim/lua/plugins/language/nu.lua

@@ -1,7 +1,11 @@
+if not vim.fn.executable("nu") then
+  return
+end
+
 return {
-    "nvim-treesitter/nvim-treesitter",
-    dependencies = {
-        { "nushell/tree-sitter-nu" },
-    },
-    build = ":TSUpdate",
+  "nvim-treesitter/nvim-treesitter",
+  dependencies = {
+    { "nushell/tree-sitter-nu" },
+  },
+  build = ":TSUpdate",
 }

home/private_dot_config/nvim/lua/plugins/language/roc.lua

@@ -1,3 +1,7 @@
+if not vim.fn.executable("roc") then
+  return
+end
+
 -- make .roc files have the correct filetype
 vim.api.nvim_create_autocmd({ "BufEnter", "BufWinEnter" }, {
   pattern = { "*.roc" },
@@ -15,8 +19,7 @@ vim.api.nvim_create_autocmd({ "BufEnter", "BufWinEnter" }, {
 -- }
 
 return {
-  { "nvim-treesitter/nvim-treesitter", opts = { ensure_installed = { "roc" } }
- },
+  { "nvim-treesitter/nvim-treesitter", opts = { ensure_installed = { "roc" } } },
   {
     "neovim/nvim-lspconfig",
     opts = {

home/private_dot_config/nvim/lua/plugins/language/rust.lua

@@ -1,3 +1,7 @@
+if not vim.fn.executable("rust") then
+  return
+end
+
 -- adapted from https://www.lazyvim.org/extras/lang/rust
 return {
   {

home/private_dot_config/nvim/lua/plugins/language/zig.lua

@@ -1,3 +1,7 @@
+if not vim.fn.executable("zig") then
+  return
+end
+
 -- adapted from https://www.lazyvim.org/extras/lang/rust
 return {
   {