nvim: Drop nvim-cmp

Auto-completion has mostly been annoying than of any actual use. Just
fancy annoying crap. Just use in built omni completion.

nvim/.config/nvim/after/plugin/cmp.lua

@@ -1,83 +0,0 @@
-local cmp     = require 'cmp'
-local lspkind = require 'lspkind'
-local luasnip = require 'luasnip'
-
--- https://github.com/hrsh7th/nvim-cmp/issues/180#issuecomment-915405589
-luasnip.config.set_config { history = true }
-require('luasnip.loaders.from_vscode').load {}
-
-cmp.setup {
-  preselect  = cmp.PreselectMode.None,
-  completion = {
-    completeopt = 'menu,menuone,noinsert',
-  },
-  formatting = {
-    fields = { 'kind', 'abbr', 'menu' },
-    format = lspkind.cmp_format({
-      with_text = true,
-      menu = ({
-        buffer   = '[Buffer]',
-        nvim_lsp = '[Lsp]',
-        nvim_lua = '[Lua]',
-        path     = '[Path]',
-        luasnip  = '[Snippet]',
-      })
-    }),
-  },
-  snippet = {
-    expand = function (args)
-      luasnip.lsp_expand(args.body)
-    end
-  },
-  documentation = {
-    border = 'rounded'
-  },
-  mapping = {
-    ['<C-d>'] = cmp.mapping.scroll_docs(-4),
-    ['<C-f>'] = cmp.mapping.scroll_docs(4),
-    ['<CR>'] = cmp.mapping.confirm({
-      behavior = cmp.ConfirmBehavior.Replace,
-      select = false
-    }),
-  },
-  sources = {
-    {
-      name = 'nvim_lsp',
-      priority = 100
-    },
-    {
-      name = 'luasnip',
-      priority = 80
-    },
-    {
-      name = 'nvim_lua',
-      priority = 50
-    },
-    {
-      name = 'buffer',
-      priority = 20
-    },
-    {
-      name = 'path',
-      priority = 5
-    },
-  },
-  experimental = {
-    native_menu = false,
-    ghost_text  = { hl_group = 'Hint' },
-  }
-}
-
-cmp.setup.cmdline('/', {
-  sources = {
-    { name = 'buffer' }
-  }
-})
-
-cmp.setup.cmdline(':', {
-  sources = cmp.config.sources({
-    { name = 'path' }
-  }, {
-    { name = 'cmdline' }
-  })
-})

nvim/.config/nvim/lua/lsp.lua

@@ -2,7 +2,6 @@ local nvim_lsp   = require 'lspconfig'
 local protocol   = require 'vim.lsp.protocol'
 local ts_utils   = require 'nvim-lsp-ts-utils'
 local util       = require 'lspconfig/util'
-local cmp        = require 'cmp_nvim_lsp'
 
 -- https://github.com/neovim/nvim-lspconfig/wiki/User-contributed-tips
 function FormatRangeOperator()
@@ -175,8 +174,15 @@ local on_attach = function(client, bufnr)
   }
 end
 
+local on_init = function(client)
+  if client.config.settings then
+    client.notify('workspace/didChangeConfiguration', { settings = client.config.settings })
+  end
+end
+
 local capabilities = vim.lsp.protocol.make_client_capabilities()
-capabilities = cmp.update_capabilities(capabilities)
+capabilities.workspace.configuration = true
+capabilities.textDocument.completion.completionItem.snippetSupport = true
 
 local rust_tool_opts = {
   tools = {
@@ -202,6 +208,7 @@ local rust_tool_opts = {
     }
   },
   server = {
+    on_init      = on_init,
     on_attach    = on_attach,
     capabilities = capabilities,
     settings = {
@@ -215,6 +222,7 @@ local rust_tool_opts = {
 }
 
 nvim_lsp.clangd.setup {
+  on_init      = on_init,
   on_attach    = on_attach,
   capabilities = capabilities,
   default_config = {
@@ -231,11 +239,13 @@ nvim_lsp.clangd.setup {
 }
 
 nvim_lsp.hls.setup {
+  on_init      = on_init,
   on_attach    = on_attach,
   capabilities = capabilities
 }
 
 nvim_lsp.jedi_language_server.setup {
+  on_init      = on_init,
   on_attach    = on_attach_python,
   capabilities = capabilities
 }
@@ -244,6 +254,7 @@ require('rust-tools').setup(rust_tool_opts)
 
 nvim_lsp.tsserver.setup {
   init_options = require("nvim-lsp-ts-utils").init_options,
+  on_init      = on_init,
   on_attach    = on_attach,
   capabilities = capabilities,
 }

nvim/.config/nvim/lua/plugins.lua

@@ -16,19 +16,11 @@ local init = function ()
   use 'bronson/vim-visual-star-search'
   -- Manage Project sessions
   use 'thaerkh/vim-workspace'
-  -- For autocompletion
+  -- Snippets
   use {
-    'hrsh7th/nvim-cmp',
+    'L3MON4D3/LuaSnip',
     requires = {
-      'hrsh7th/cmp-nvim-lsp',
-      'hrsh7th/cmp-nvim-lua',
-      'hrsh7th/cmp-buffer',
-      'hrsh7th/cmp-path',
-      'hrsh7th/cmp-cmdline',
-      'onsails/lspkind-nvim',
-      'L3MON4D3/LuaSnip',
-      'saadparwaiz1/cmp_luasnip',
-      'rafamadriz/friendly-snippets'
+      'rafamadriz/friendly-snippets',
     }
   }
   -- Git support