plugins: added nvim-lspinstall

lua/configs/lsp.lua

@@ -1,12 +1,15 @@
 -- taken from https://github.com/neovim/nvim-lspconfig#keybindings-and-completion
 -- changed servers and ctermbg=237
 -- added buf_set_keymap('n', 'ga', '<Cmd>lua vim.lsp.buf.code_action()<CR>', opts)
-nvim_lsp = require('lspconfig')
+local nvim_lsp = require('lspconfig')
+
 -- Snippets support
-capabilities = vim.lsp.protocol.make_client_capabilities()
+local capabilities = vim.lsp.protocol.make_client_capabilities()
 capabilities.textDocument.completion.completionItem.snippetSupport = true
+
 -- Signature help
 require('lsp_signature').on_attach()
+
 -- Vscode-like pictograms on completion
 require('lspkind').init({
     with_text = true,
@@ -34,7 +37,7 @@ require('lspkind').init({
     },
 })
 
-on_attach = function(client, bufnr)
+local on_attach = function(client, bufnr)
     function buf_set_keymap(...) vim.api.nvim_buf_set_keymap(bufnr, ...) end
     function buf_set_option(...) vim.api.nvim_buf_set_option(bufnr, ...) end
     buf_set_option('omnifunc', 'v:lua.vim.lsp.omnifunc')
@@ -76,14 +79,24 @@ on_attach = function(client, bufnr)
       ]], false)
     end
 end
+
 --[[-----------------]]--
 --      LSP Setup      --
 --]]-----------------[[--
--- NOTE: Add your LSP configs here.
+-- https://github.com/kabouzeid/nvim-lspinstall#advanced-configuration-recommended
+local function setup_servers()
+    -- Provide the missing :LspInstall
+    require('lspinstall').setup()
+    local servers = require('lspinstall').installed_servers()
+    for _, server in pairs(servers) do
+        nvim_lsp[server].setup{}
+    end
+end
+
+setup_servers()
 
--- Use a loop to conveniently both setup defined servers 
--- and map buffer local keybindings when the language server attaches
-servers = { }
-for _, lsp in ipairs(servers) do
-nvim_lsp[lsp].setup { on_attach = on_attach }
+-- Automatically reload after `:LspInstall <server>` so we don't have to restart neovim
+require('lspinstall').post_install_hook = function ()
+  setup_servers() -- reload installed servers
+  vim.cmd("bufdo e") -- this triggers the FileType autocmd that starts the server
 end

lua/plugins.lua

@@ -240,14 +240,24 @@ return packer.startup(function()
     use {
         'hrsh7th/nvim-compe',
         requires = {
-            {'ray-x/lsp_signature.nvim'}, {'onsails/lspkind-nvim'}, {'norcalli/snippets.nvim'}
+            {'ray-x/lsp_signature.nvim'}, {'onsails/lspkind-nvim'},
+            {'norcalli/snippets.nvim'}
         },
         disable = (disabled_completion and true or disabled_compe)
     }
+    -- provides the missing `:LspInstall` for `nvim-lspconfig`.
+    local disabled_lspinstall = has_value(g.doom_disabled_plugins, 'lspinstall')
+    if disabled_lsp and (not disabled_lspinstall) then
+        table.insert(disabled_plugins, 'lspinstall')
+        nvim_set_var('doom_disabled_plugins', disabled_plugins)
+    end
+    use 'kabouzeid/nvim-lspinstall'
+
     -----[[--------------]]-----
     ---     File Related     ---
     -----]]--------------[[-----
-    -- Write / Read files without permissions (e.g. /etc files) without having to use `sudo nvim /path/to/file`
+    -- Write / Read files without permissions (e.g. /etc files) without having
+    -- to use `sudo nvim /path/to/file`
     local disabled_suda = has_value(g.doom_disabled_plugins, 'suda')
     if disabled_files and (not disabled_suda) then
         table.insert(disabled_plugins, 'suda')
@@ -335,7 +345,7 @@ return packer.startup(function()
         'norcalli/nvim-colorizer.lua',
         disable = (disabled_web and true or disabled_colorizer)
     }
-    -- HTPP Client support
+    -- HTTP Client support
     -- Depends on bayne/dot-http to work!
     local disabled_restclient = has_value(g.doom_disabled_plugins, 'restclient')
     if disabled_web and (not disabled_restclient) then