use mason for dependency management

common.sh

@@ -83,6 +83,14 @@ function check_binary() {
   fi
 }
 
+function ensure_brew_binary() {
+  if ! command -v "$1" >/dev/null 2>&1; then
+    check_binary brew
+    brew install "$2"
+  fi
+  check_binary "$1"
+}
+
 export PATH="${HOME}/.local/bin:${PATH}"
 
 for BINARY in "${NVIM_REQUIRED_BINARIES[@]}"; do
@@ -94,13 +102,9 @@ if ! command -v luafmt >/dev/null 2>&1; then
 fi
 check_binary luafmt
 
-if [ "${NVIM_OS}" = "macOS" ] &&
-  ! command -v vala-language-server >/dev/null 2>&1; then
-  check_binary brew
-  brew install vala-language-server
-fi
 if [ "${NVIM_OS}" = "macOS" ]; then
-  check_binary vala-language-server
+  ensure_brew_binary pwsh powershell
+  ensure_brew_binary vala-language-server vala-language-server
 fi
 
 pushd "${SCRIPT_DIR}" 1>/dev/null 2>&1 || error_exit "failed to push: ${SCRIPT_DIR}"

nvim/lua/darcula/config/init.lua

@@ -38,6 +38,13 @@ NV_DARCULA_ENABLE_INLAY_HINTS =
   utils.parse_env("NV_DARCULA_ENABLE_INLAY_HINTS", false)
 NV_DARCULA_ENABLE_VIRTUAL_TEXT =
   utils.parse_env("NV_DARCULA_ENABLE_VIRTUAL_TEXT", false)
+NV_DARCULA_MASON_ROOT =
+  utils.parse_env(
+  "NV_DARCULA_MASON_ROOT",
+  vim.fs.normalize(
+    vim.fs.joinpath(vim.fn.stdpath("data"), "..", "darcula", "mason")
+  )
+)
 
 NV_DARCULA_CLANGD_ARGS =
   utils.parse_env_list(

nvim/lua/darcula/keymaps.lua

@@ -719,10 +719,8 @@ if not NV_DARCULA_ENABLE_COC then
   end
 end
 
-if not NV_DARCULA_ENABLE_COC then
-  function M.mason()
-    km.map(km.leader "in", ":Mason<CR>", {remap = true, silent = true})
-  end
+function M.mason()
+  km.map(km.leader "in", ":Mason<CR>", {remap = true, silent = true})
 end
 
 function M.navigation()
@@ -1453,9 +1451,7 @@ end
   if not NV_DARCULA_ENABLE_COC then
     M.lsp()
   end
-  if not NV_DARCULA_ENABLE_COC then
-    M.mason()
-  end
+  M.mason()
   M.navigation()
   M.nvim_dap()
   M.nvim_haven()

nvim/lua/darcula/plugins.lua

@@ -57,7 +57,10 @@ vim.api.nvim_create_autocmd(
 local packages = {
   {src = "https://github.com/nvim-lua/plenary.nvim"},
   {src = "https://github.com/rktjmp/lush.nvim"},
-  {src = "https://git.fifthgrid.com/sgraves/darcula_lush"}
+  {src = "https://git.fifthgrid.com/sgraves/darcula_lush"},
+  {src = "https://github.com/WhoIsSethDaniel/mason-tool-installer.nvim"},
+  {src = "https://github.com/mason-org/mason-lspconfig.nvim"},
+  {src = "https://github.com/mason-org/mason.nvim"}
 }
 
 if NV_DARCULA_ENABLE_COC then
@@ -81,11 +84,8 @@ else
       {src = "https://github.com/hrsh7th/cmp-path"},
       {src = "https://github.com/rafamadriz/friendly-snippets"},
       {src = "https://github.com/neovim/nvim-lspconfig"},
-      {src = "https://github.com/WhoIsSethDaniel/mason-tool-installer.nvim"},
       {src = "https://github.com/akinsho/flutter-tools.nvim"},
       {src = "https://github.com/kosayoda/nvim-lightbulb"},
-      {src = "https://github.com/mason-org/mason-lspconfig.nvim"},
-      {src = "https://github.com/mason-org/mason.nvim"},
       {src = "https://github.com/ray-x/lsp_signature.nvim"}
     }
   )

nvim/lua/darcula/setup.lua

@@ -21,6 +21,6 @@ local setup_list =
   require("darcula.utils").get_files_sorted_without_extension(
   vim.fs.joinpath(vim.fn.stdpath("config"), "lua", "darcula", "setup")
 )
-for _, name in pairs(setup_list) do
+for _, name in ipairs(setup_list) do
   require("darcula.setup." .. name)
 end

nvim/lua/darcula/setup/050_mason.lua

@@ -0,0 +1,48 @@
+-- The MIT License (MIT)
+--
+-- Copyright © 2026 Scott E. Graves <scott.e.graves@protonmail.com>
+--
+-- Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+-- and associated documentation files (the “Software”), to deal in the Software without restriction,
+-- including without limitation the rights to use, copy, modify, merge, publish, distribute,
+-- sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+-- furnished to do so, subject to the following conditions:
+--
+-- The above copyright notice and this permission notice shall be included in all copies or
+-- substantial portions of the Software.
+--
+-- THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+-- BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+-- NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+-- DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+-- OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+--
+local symbols = require("darcula.utils.symbols")
+
+require("mason").setup {
+  install_root_dir = NV_DARCULA_MASON_ROOT,
+  PATH = "prepend",
+  ui = {
+    border = "rounded",
+    icons = {
+      package_installed = symbols.status.ok,
+      package_pending = symbols.status.checking,
+      package_uninstalled = symbols.status.uninstalled
+    }
+  }
+}
+
+local ensure_installed = vim.deepcopy(NV_DARCULA_MASON_INST_LIST)
+vim.list_extend(ensure_installed, NV_DARCULA_MASON_TOOL_LIST)
+
+local installer = require("mason-tool-installer")
+installer.setup {
+  ensure_installed = ensure_installed,
+  integrations = {
+    ["mason-lspconfig"] = true,
+    ["mason-null-ls"] = false,
+    ["mason-nvim-dap"] = false
+  },
+  run_on_start = false
+}
+installer.check_install(false, true)

nvim/lua/darcula/setup/100_mason.lua

@@ -21,29 +21,11 @@ if NV_DARCULA_ENABLE_COC then
   return
 end
 
-local symbols = require("darcula.utils.symbols")
 ---@diagnostic disable-next-line: deprecated
 local unpacker = table.unpack or unpack
 
-require("mason").setup {
-  ui = {
-    border = "rounded",
-    icons = {
-      package_installed = symbols.status.ok,
-      package_pending = symbols.status.checking,
-      package_uninstalled = symbols.status.uninstalled
-    }
-  }
-}
-
 require("mason-lspconfig").setup {
-  automatic_enable = NV_DARCULA_MASON_LSP_LIST,
-  ensure_installed = NV_DARCULA_MASON_INST_LIST
-}
-
-require("mason-tool-installer").setup {
-  ensure_installed = NV_DARCULA_MASON_TOOL_LIST,
-  run_on_start = true
+  automatic_enable = NV_DARCULA_MASON_LSP_LIST
 }
 
 local capabilities = require("cmp_nvim_lsp").default_capabilities()
@@ -83,13 +65,7 @@ for _, name in pairs(NV_DARCULA_MASON_LSP_LIST) do
     )
   elseif name == "jdtls" then
     local lombok =
-      vim.fs.joinpath(
-      vim.fn.stdpath("data"),
-      "mason",
-      "packages",
-      "jdtls",
-      "lombok.jar"
-    )
+      vim.fs.joinpath(NV_DARCULA_MASON_ROOT, "packages", "jdtls", "lombok.jar")
     vim.env.JDTLS_JVM_ARGS =
       table.concat(
       {