From 22b35de08e77893cf8ec806f72949175b726680e Mon Sep 17 00:00:00 2001
From: Nick Zana <me@nickzana.dev>
Date: Tue, 30 May 2023 20:44:22 -0400
Subject: [PATCH] add copilot to experiment with

---
 lua/keybindings.lua | 14 ++++++++++++++
 lua/lsp.lua         |  3 +++
 lua/plugins.lua     |  5 +++++
 3 files changed, 22 insertions(+)

diff --git a/lua/keybindings.lua b/lua/keybindings.lua
index 8b0044c..1105c39 100644
--- a/lua/keybindings.lua
+++ b/lua/keybindings.lua
@@ -51,6 +51,20 @@ map('n', '<leader>dp', '<cmd>diffput<CR>', options)
 map('n', '<leader>gh', '<cmd>diffget //2<CR>', options) -- merge from left pane
 map('n', '<leader>gl', '<cmd>diffget //3<CR>', options) -- merge from right pane
 
+vim.keymap.set(
+    "i",
+        "<Plug>(vimrc:copilot-dummy-map)",
+	    'copilot#Accept("")',
+	        { silent = true, expr = true, desc = "Copilot dummy accept" }
+)
+
+-- remap copilot key to <C-j>
+vim.g.copilot_no_tab_map = true
+vim.g.copilot_assume_mapped = true
+
+local map = vim.keymap.set
+map("i", "<C-j>", "copilot#Accept('<CR>')", {noremap = true, silent = true, expr=true, replace_keycodes = false })
+
 -- LSP
 -- Use an on_attach function to only map the following keys
 -- after the language server attaches to the current buffer
diff --git a/lua/lsp.lua b/lua/lsp.lua
index e64ee2b..9b5997a 100644
--- a/lua/lsp.lua
+++ b/lua/lsp.lua
@@ -23,6 +23,9 @@ local cmp_config = lsp.defaults.cmp_config({
 		{ name = 'nvim_lsp' },
 		{ name = 'luasnip' },
 	},
+	experimental = {
+		ghost_text = false -- conflicts with copilot.vim's preview
+	},
 })
 cmp.setup(cmp_config)
 
diff --git a/lua/plugins.lua b/lua/plugins.lua
index 7cf163a..f42bd30 100644
--- a/lua/plugins.lua
+++ b/lua/plugins.lua
@@ -23,6 +23,11 @@ local plugins = require('packer').startup(function(use)
         run = ':TSUpdate'
     }
 
+	use {
+		'https://github.com/github/copilot.vim',
+		keys = "<C-P>",
+	}
+
 	-- lsp
 	use {
 		'VonHeikemen/lsp-zero.nvim',