[feat] Configure nvim-cmp manually

config/nix/common/nvim/default.nix

@@ -71,33 +71,6 @@
         indent = true;
       };
 
-      nvim-cmp = {
-        enable = true;
-        completion = { completeopt = "menu,menuone,popup,noselect"; };
-        window = {
-          completion = { border = "rounded"; };
-          documentation = { border = "rounded"; };
-        };
-        sources = {
-          nvim_lsp.enable = true;
-          luasnip.enable = true;
-          buffer.enable = true;
-          path.enable = true;
-          git.enable = true;
-          cmdline.enable = true;
-        };
-        mappingPresets = [ "insert" ];
-        mapping = {
-          "<CR>" = "cmp.mapping.confirm({ select = true })";
-          "<C-y>" = "cmp.mapping.complete()";
-          "<C-n>" = "cmp.config.next";
-          "<C-p>" = "cmp.config.prev";
-
-        };
-
-        snippet.luasnip.enable = true;
-      };
-
     };
     colorschemes = {
       catppuccin = {
@@ -139,7 +112,14 @@
       pkgs.vimPlugins.telescope-fzf-native-nvim
       pkgs.vimPlugins.telescope-file-browser-nvim
       pkgs.vimExtraPlugins.rustaceanvim
-      pkgs.vimExtraPlugins.cmp-nvim-lsp
+
+      pkgs.vimPlugins.nvim-cmp
+      pkgs.vimPlugins.cmp-buffer
+      pkgs.vimPlugins.cmp-path
+      pkgs.vimPlugins.cmp-cmdline
+      pkgs.vimPlugins.cmp-nvim-lsp
+      pkgs.vimPlugins.cmp-nvim-lua
+
       pkgs.vimExtraPlugins.fidget-nvim
       pkgs.vimExtraPlugins.copilot-lua
       pkgs.vimExtraPlugins.lsp-zero-nvim

config/nix/common/nvim/extraConfig.lua

@@ -1,3 +1,21 @@
+require('telescope').setup {
+    defaults = {
+        initial_mode = 'insert',
+    },
+    extensions = {
+        fzf = {
+            fuzzy = true,                   -- false will only do exact matching
+            override_generic_sorter = true, -- override the generic sorter
+            override_file_sorter = true,    -- override the file sorter
+            case_mode = "smart_case",       -- or "ignore_case" or "respect_case"
+        }
+    }
+}
+
+require("telescope").load_extension("ui-select")
+require('telescope').load_extension("fzf")
+require('telescope').load_extension("file_browser")
+
 vim.g.rustaceanvim = {
     server = {
         on_attach = function(client, bufnr)
@@ -24,7 +42,42 @@ require("copilot").setup({
 
 require 'fidget'.setup()
 
-local cmp = require 'cmp'
+
+-- =======================================================================
+-- nvim-cmp
+-- =======================================================================
+
+local cmp = require("cmp")
+cmp.setup({
+    view = {
+        entries = { name = 'custom', selection_order = 'near_cursor' }
+    },
+    snippet = {
+        expand = function(args)
+            require('luasnip').lsp_expand(args.body)
+        end
+    },
+    window = {
+        completion = cmp.config.window.bordered(),
+        documentation = cmp.config.window.bordered(),
+    },
+    sources = cmp.config.sources({
+        { name = "copilot", },
+        { name = 'buffer' },
+        { name = 'nvim_lsp' },
+        { name = 'luasnip' },
+        { name = 'path' },
+        { name = 'git' },
+    }),
+    mapping = cmp.mapping.preset.insert({
+        ['<CR>'] = cmp.mapping.confirm(),
+        ['<C-y>'] = cmp.mapping.complete(),
+        -- ['<C-Space>'] = cmp.mapping.complete(),
+        ['<C-n>'] = cmp.config.next,
+        ['<C-p>'] = cmp.config.prev,
+    })
+})
+
 cmp.setup.cmdline({ '/', '?' }, {
     mapping = cmp.mapping.preset.cmdline {
         ['<C-n>'] = cmp.config.disable,
@@ -46,29 +99,10 @@ cmp.setup.cmdline(':', {
         { name = 'cmdline' }
     })
 })
-
 cmp.setup.filetype('gitcommit', {
     sources = cmp.config.sources({
-        { name = 'git' }, -- You can specify the `git` source if [you were installed it](https://github.com/petertriho/cmp-git).
+        { name = 'git' },             -- You can specify the `git` source if [you were installed it](https://github.com/petertriho/cmp-git).
     }, {
         { name = 'buffer' },
     })
 })
-
-require('telescope').setup {
-    defaults = {
-        initial_mode = 'insert',
-    },
-    extensions = {
-        fzf = {
-            fuzzy = true,                   -- false will only do exact matching
-            override_generic_sorter = true, -- override the generic sorter
-            override_file_sorter = true,    -- override the file sorter
-            case_mode = "smart_case",       -- or "ignore_case" or "respect_case"
-        }
-    }
-}
-
-require("telescope").load_extension("ui-select")
-require('telescope').load_extension("fzf")
-require('telescope').load_extension("file_browser")