feat: add 'automatic_installation' feature toggle to setup options (#638)

3 files changed, 12 insertions, 3 deletions

diff --git a/lua/nvim-lsp-installer.lua b/lua/nvim-lsp-installer.lua
index f41dbbf7..631f66a2 100644
--- a/lua/nvim-lsp-installer.lua
+++ b/lua/nvim-lsp-installer.lua
@@ -37,9 +37,12 @@ function M.setup(config)
     end
     settings.uses_new_setup = true
     require("nvim-lsp-installer.middleware").register_lspconfig_hook()
-    vim.schedule(function()
-        ensure_installed(settings.current.ensure_installed)
-    end)
+
+    if vim.tbl_islist(settings.current.ensure_installed) then
+        vim.schedule(function()
+            ensure_installed(settings.current.ensure_installed)
+        end)
+    end
 end
 
 M.info_window = {
diff --git a/lua/nvim-lsp-installer/middleware.lua b/lua/nvim-lsp-installer/middleware.lua
index 3e01b976..cd5c508d 100644
--- a/lua/nvim-lsp-installer/middleware.lua
+++ b/lua/nvim-lsp-installer/middleware.lua
@@ -1,5 +1,6 @@
 local util = require "lspconfig.util"
 local servers = require "nvim-lsp-installer.servers"
+local settings = require "nvim-lsp-installer.settings"
 
 local M = {}
 
@@ -25,6 +26,9 @@ function M.register_lspconfig_hook()
         local ok, server = servers.get_server(config.name)
         if ok then
             merge_in_place(config, server._default_options)
+            if settings.current.automatic_installation and not server:is_installed() then
+                server:install()
+            end
         end
     end)
 end
diff --git a/lua/nvim-lsp-installer/settings.lua b/lua/nvim-lsp-installer/settings.lua
index 7a36e217..44c739db 100644
--- a/lua/nvim-lsp-installer/settings.lua
+++ b/lua/nvim-lsp-installer/settings.lua
@@ -6,6 +6,8 @@ local M = {}
 local DEFAULT_SETTINGS = {
     -- A list of servers to automatically install. Example: { "rust_analyzer", "sumneko_lua" }
     ensure_installed = {},
+    -- Whether servers that are set up (via lspconfig) should be automatically installed if they're not already installed.
+    automatic_installation = false,
     ui = {
         icons = {
             -- The list icon to use for installed servers.