From 693e9e106189b6cd1399776b95997d33591e3ac8 Mon Sep 17 00:00:00 2001
From: ttyS3 <ttys3.rust@gmail.com>
Date: Mon, 6 Jun 2022 18:17:48 +0800
Subject: [PATCH] feat(completion): add github copilot cmp source

---
 lua/config/nvim-cmp.lua | 21 +++++++++++++--------
 lua/plugins.lua         | 14 ++++++++++++++
 2 files changed, 27 insertions(+), 8 deletions(-)

diff --git a/lua/config/nvim-cmp.lua b/lua/config/nvim-cmp.lua
index 3a4ec36..da51eed 100644
--- a/lua/config/nvim-cmp.lua
+++ b/lua/config/nvim-cmp.lua
@@ -76,26 +76,30 @@ cmp.setup {
 		}),
 	},
 	sources = {
-		{ name = "nvim_lsp" },
+		-- https://github.com/hrsh7th/cmp-copilot
+		-- https://github.com/zbirenbaum/copilot-cmp
+		{ name = "copilot", group_index = 1 },
+
+		{ name = "cmp_tabnine", group_index = 2 },
+
+		{ name = "nvim_lsp", group_index = 3 },
 
 		-- For vsnip user.
 		-- { name = "vsnip" },
 
 		-- For luasnip user.
-		{ name = "luasnip" },
+		{ name = "luasnip", group_index = 4 },
+
+		{ name = "nvim_lua", group_index = 4 },
 
 		-- For ultisnips user.
 		-- { name = "ultisnips" },
 
-		{ name = "crates" },
-
-		{ name = "cmp_tabnine" },
-
-		{ name = "nvim_lua" },
+		{ name = "crates", group_index = 4 },
 
 		-- { name = "omni" },
 
-		{ name = "buffer" },
+		{ name = "buffer", group_index = 9 },
 	},
 	formatting = {
 		format = require("lsp").cmp_format {
@@ -109,6 +113,7 @@ cmp.setup {
 				crates = "[Crates]",
 				cmp_tabnine = "[TabNine]",
 				latex_symbols = "[Latex]",
+				copilot = "[Copilot]",
 			},
 		},
 	},
diff --git a/lua/plugins.lua b/lua/plugins.lua
index ff158e2..c200941 100644
--- a/lua/plugins.lua
+++ b/lua/plugins.lua
@@ -261,6 +261,20 @@ return require("packer").startup {
 		-- use "hrsh7th/cmp-omni"
 		use "hrsh7th/cmp-buffer"
 		use "hrsh7th/cmp-path"
+		use {
+			"zbirenbaum/copilot.lua",
+			event = { "VimEnter" },
+			requires = "github/copilot.vim",
+			config = function()
+				vim.defer_fn(function()
+					require("copilot").setup()
+				end, 100)
+			end,
+		}
+		use {
+			"zbirenbaum/copilot-cmp",
+			after = { "copilot.lua", "nvim-cmp" },
+		}
 		use {
 			"tzachar/cmp-tabnine",
 			run = "./install.sh",