fix: replace packer with lazy.nvim

.helpers/lazy.nvim

@@ -0,0 +1,19 @@
+#!/usr/bin/env bash
+
+set -o errexit
+set -o nounset
+set -o pipefail
+
+LAZY_NVIM_SOURCE="https://github.com/folke/lazy.nvim.git"
+LAZY_NVIM_DESTINATION="${XDG_DATA_HOME}/nvim/lazy/lazy.nvim"
+LAZY_STATE_DIR="${XDG_STATE_HOME}/nvim/lazy"
+
+mkdir -p ${LAZY_STATE_DIR}
+
+if [ -d ${LAZY_NVIM_DESTINATION}/.git ]; then
+    echo "INFO: lazy.nvim is already installed"
+    exit 0
+fi
+
+echo "INFO: Cloning ${LAZY_NVIM_SOURCE} to ${LAZY_NVIM_DESTINATION}..."
+git clone --filter=blob:none --single-branch ${LAZY_NVIM_SOURCE} ${LAZY_NVIM_DESTINATION}

.helpers/nvim-packer

@@ -1,14 +0,0 @@
-#!/usr/bin/env bash
-
-set -euo pipefail
-
-PACKER_NVIM_SOURCE="https://github.com/wbthomason/packer.nvim"
-PACKER_NVIM_DESTINATION="${XDG_DATA_HOME}/nvim/site/pack/packer/start/packer.nvim"
-
-if [ -d ${PACKER_NVIM_DESTINATION}/.git ]; then
-    echo "INFO: packer.nvim is already installed."
-    exit 0
-fi
-
-echo "INFO: Cloning ${PACKER_NVIM_SOURCE} to ${PACKER_NVIM_DESTINATION}..."
-git clone --depth=1 ${PACKER_NVIM_SOURCE} ${PACKER_NVIM_DESTINATION}

Makefile

@@ -9,8 +9,8 @@ update:
 clean: backup
 	@bash ./.helpers/config clean
 
-install_packer:
-	@bash ./.helpers/nvim-packer
+install_lazy:
+	@bash ./.helpers/lazy.nvim
 
 package:
 	@bash ./.helpers/config package

nvim/lua/options.lua

@@ -35,11 +35,6 @@ set.encoding      = "utf-8"
 set.fileencoding  = "utf-8"
 set.fileencodings = "utf-8"
 
--- Colour scheme
-set.termguicolors = true
-set.background    = "dark"
-cmd "colorscheme tokyonight-night"
-
 -- UI and UX
 set.number         = true -- enable line numbers
 set.relativenumber = true -- enable relative line numbers

nvim/lua/plugins/init.lua

@@ -1,45 +1,66 @@
-return require("packer").startup(function(use)
-  -- Packer can manage itself
-  use {
-    "wbthomason/packer.nvim",
-    commit = "1d0cf98a561f7fd654c970c49f917d74fafe1530", -- 2023-01-11
-  }
+local lazypath = vim.fn.stdpath("data") .. "/lazy/lazy.nvim"
+local set = vim.opt
+local cmd = vim.cmd
 
-  use {
+vim.opt.runtimepath:prepend(lazypath)
+
+local plugins = {
+  {
     "folke/tokyonight.nvim",
-    tag    = "v1.10.0",                                  -- 2023-03-23
-    config = require("plugins.config.tokyonight"),
-  }
-
-  use {
+    tag = "v1.10.0",                                     -- 2023-03-23
+    priority = 1000,
+    config = function()
+      require("plugins.config.tokyonight")
+      set.termguicolors = true
+      set.background    = "dark"
+      cmd "colorscheme tokyonight-night"
+    end,
+  },
+  {
     "neovim/nvim-lspconfig",
     commit = "10fa01d553ce10646350461ac5ddc71f189e9d1a", -- 2023-04-10
-    config = require("plugins.config.lsp"),
-  }
-
-  use {
+    config = function()
+      require("plugins.config.lsp")
+    end,
+  },
+  {
     "nvim-treesitter/nvim-treesitter",
     commit = "cc360a9beb1b30d172438f640e2c3450358c4086", -- 2023-04-10
-    config = require("plugins.config.treesitter"),
-    run    = ":TSUpdate",
-  }
-
-  use {
+    config = function()
+      require("plugins.config.treesitter")
+    end,
+    build = function()
+      require("nvim-treesitter.install").update({ with_sync = true })
+    end,
+  },
+  {
     "nvim-tree/nvim-web-devicons",
     commit = "f16ec8f6e5d23e4349501dae46e0a661918e086e", -- 2023-04-08
-  }
-
-  use {
+  },
+  {
     "akinsho/bufferline.nvim",
     tag      = "v3.6.0",                                 -- 2023.03.30
-    requires = "nvim-tree/nvim-web-devicons",
-    config   = require("plugins.config.bufferline"),
-  }
-
-  use {
+    dependencies = {
+      "nvim-tree/nvim-web-devicons",
+    },
+    config = function()
+      require("plugins.config.bufferline")
+    end,
+  },
+  {
     "is0n/tui-nvim",
     commit = "2eeff3ac921f53bdb837d23d6e4501d97807994c",  -- 2022.05.07
-    config = require("plugins.config.tui_nvim"),
-  }
+    config = function()
+      require("plugins.config.tui_nvim")
+    end,
+  },
+}
 
-end)
+require("lazy").setup(plugins, {
+  lockfile = vim.fn.stdpath("state") .. "/lazy/lock.json",
+  performance = {
+    cache = {
+      enabled = true,
+    }
+  }
+})