nvim: put plugins into opt/

this way supposedly we can explicitly load the plugin next to the
relevant configuration

.gitmodules

@@ -17,52 +17,52 @@
 # prompts
 # telescope.vim
 [submodule "src/.local/share/nvim/site/pack/3pp/start/telescope.nvim"]
-	path = src/.local/share/nvim/site/pack/3pp/start/telescope.nvim
+	path = src/.local/share/nvim/site/pack/3pp/opt/telescope.nvim
 	url = https://github.com/nvim-telescope/telescope.nvim.git
 [submodule "src/.local/share/nvim/site/pack/3pp/start/plenary.nvim"]
-	path = src/.local/share/nvim/site/pack/3pp/start/plenary.nvim
+	path = src/.local/share/nvim/site/pack/3pp/opt/plenary.nvim
 	url = https://github.com/nvim-lua/plenary.nvim.git
 
 # git symbols in the gutter
 [submodule "src/.local/share/nvim/site/pack/3pp/start/vim-gitgutter"]
-	path = src/.local/share/nvim/site/pack/3pp/start/vim-gitgutter
+	path = src/.local/share/nvim/site/pack/3pp/opt/vim-gitgutter
 	url = https://github.com/airblade/vim-gitgutter.git
 
 # auto close brackets and quotes
 # coding.vim
 [submodule "src/.local/share/nvim/site/pack/3pp/start/auto-pairs"]
-	path = src/.local/share/nvim/site/pack/3pp/start/auto-pairs
+	path = src/.local/share/nvim/site/pack/3pp/opt/auto-pairs
 	url = https://github.com/jiangmiao/auto-pairs
 
 # language smarts
 # coding.lua
 [submodule "src/.local/share/nvim/site/pack/3pp/start/nvim-lspconfig"]
-	path = src/.local/share/nvim/site/pack/3pp/start/nvim-lspconfig
+	path = src/.local/share/nvim/site/pack/3pp/opt/nvim-lspconfig
 	url = https://github.com/neovim/nvim-lspconfig.git
 [submodule "src/.local/share/nvim/site/pack/3pp/start/nvim-cmp"]
-	path = src/.local/share/nvim/site/pack/3pp/start/nvim-cmp
+	path = src/.local/share/nvim/site/pack/3pp/opt/nvim-cmp
 	url = https://github.com/hrsh7th/nvim-cmp.git
 [submodule "src/.local/share/nvim/site/pack/3pp/start/cmp-nvim-lsp"]
-	path = src/.local/share/nvim/site/pack/3pp/start/cmp-nvim-lsp
+	path = src/.local/share/nvim/site/pack/3pp/opt/cmp-nvim-lsp
 	url = https://github.com/hrsh7th/cmp-nvim-lsp.git
 [submodule "src/.local/share/nvim/site/pack/3pp/start/nvim-treesitter"]
-	path = src/.local/share/nvim/site/pack/3pp/start/nvim-treesitter
+	path = src/.local/share/nvim/site/pack/3pp/opt/nvim-treesitter
 	url = https://github.com/nvim-treesitter/nvim-treesitter.git
 # intelligent motions based on treesitter
 [submodule "src/.local/share/nvim/site/pack/3pp/start/nvim-treesitter-textobjects"]
-	path = src/.local/share/nvim/site/pack/3pp/start/nvim-treesitter-textobjects
+	path = src/.local/share/nvim/site/pack/3pp/opt/nvim-treesitter-textobjects
 	url = https://github.com/nvim-treesitter/nvim-treesitter-textobjects
 
 # error/warning/info box
 # coding.lua
 [submodule "src/.local/share/nvim/site/pack/3pp/start/trouble.nvim"]
-	path = src/.local/share/nvim/site/pack/3pp/start/trouble.nvim
+	path = src/.local/share/nvim/site/pack/3pp/opt/trouble.nvim
 	url = https://github.com/folke/trouble.nvim
 
 # aesthetic changes
 # init.lua
 [submodule "src/.local/share/nvim/site/pack/3pp/start/dressing.nvim"]
-	path = src/.local/share/nvim/site/pack/3pp/start/dressing.nvim
+	path = src/.local/share/nvim/site/pack/3pp/opt/dressing.nvim
 	url = https://github.com/stevearc/dressing.nvim.git
 
 # plain-text-accounting ledger ftplugin
@@ -80,30 +80,30 @@
 # color theme
 # init.lua
 [submodule "src/.local/share/nvim/site/pack/3pp/start/nvim-noirbuddy"]
-	path = src/.local/share/nvim/site/pack/3pp/start/nvim-noirbuddy
+	path = src/.local/share/nvim/site/pack/3pp/opt/nvim-noirbuddy
 	url = https://github.com/jesseleite/nvim-noirbuddy.git
 [submodule "src/.local/share/nvim/site/pack/3pp/start/colorbuddy.nvim"]
-	path = src/.local/share/nvim/site/pack/3pp/start/colorbuddy.nvim
+	path = src/.local/share/nvim/site/pack/3pp/opt/colorbuddy.nvim
 	url = https://github.com/tjdevries/colorbuddy.nvim.git
 
 # debug adapter protocol
 # debugging.lua
 [submodule "src/.local/share/nvim/site/pack/3pp/start/nvim-dap"]
-	path = src/.local/share/nvim/site/pack/3pp/start/nvim-dap
+	path = src/.local/share/nvim/site/pack/3pp/opt/nvim-dap
 	url = https://github.com/mfussenegger/nvim-dap.git
 [submodule "src/.local/share/nvim/site/pack/3pp/start/nvim-dap-ui"]
-	path = src/.local/share/nvim/site/pack/3pp/start/nvim-dap-ui
+	path = src/.local/share/nvim/site/pack/3pp/opt/nvim-dap-ui
 	url = https://github.com/rcarriga/nvim-dap-ui.git
 [submodule "src/.local/share/nvim/site/pack/3pp/start/nvim-nio"]
-	path = src/.local/share/nvim/site/pack/3pp/start/nvim-nio
+	path = src/.local/share/nvim/site/pack/3pp/opt/nvim-nio
 	url = https://github.com/nvim-neotest/nvim-nio
 
 # snippet support
 # snippets.lua
 # (also coding.lua becuase nvim-cmp uses this too)
 [submodule "src/.local/share/nvim/site/pack/3pp/start/LuaSnip"]
-	path = src/.local/share/nvim/site/pack/3pp/start/LuaSnip
+	path = src/.local/share/nvim/site/pack/3pp/opt/LuaSnip
 	url = https://github.com/L3MON4D3/LuaSnip
 [submodule "src/.local/share/nvim/site/pack/3pp/start/cmp_luasnip"]
-	path = src/.local/share/nvim/site/pack/3pp/start/cmp_luasnip
+	path = src/.local/share/nvim/site/pack/3pp/opt/cmp_luasnip
 	url = https://github.com/saadparwaiz1/cmp_luasnip

src/.config/nvim/init.vim

@@ -84,4 +84,5 @@ set foldexpr=nvim_treesitter#foldexpr()
 set foldlevel=99
 
 " auto-pairs
+packadd auto-pairs
 let g:AutoPairsFlyMode = 0

src/.config/nvim/lua/coding.lua

@@ -27,11 +27,18 @@ vim.api.nvim_create_autocmd(
 	}
 )
 
+------
+-- git gutter
+------
+
+vim.cmd.packadd("vim-gitgutter")
 
 ------
 -- syntax highlighting
--- plug: nvim-treesitter
 ------
+
+vim.cmd.packadd("nvim-treesitter")
+
 require 'nvim-treesitter.configs'.setup {
 	ensure_installed = { "c", "cpp", "javascript", "typescript", "python", "vim", "fish", "bash", "lua", "rust" },
 	sync_install = false,
@@ -51,8 +58,8 @@ require 'nvim-treesitter.configs'.setup {
 
 ------
 -- treesitter (language intelligent) motions
--- plug: nvim-treesitter-textobjects
 ------
+vim.cmd.packadd("nvim-treesitter-textobjects")
 require("nvim-treesitter.configs").setup {
 	textobjects = {
 		select = {
@@ -71,8 +78,8 @@ require("nvim-treesitter.configs").setup {
 
 ------
 -- diagnostics box
--- plug: trouble.nvim
 ------
+vim.cmd.packadd("trouble.nvim")
 require('trouble').setup({
 	icons = false,
 	fold_open = "v",   -- icon used for open folds
@@ -104,8 +111,8 @@ keymap("gR", "<cmd>TroubleToggle lsp_references<cr>")
 
 ------
 -- language server (LSP)
--- plug: nvim-lspconfig
 ------
+vim.cmd.packadd("nvim-lspconfig")
 local on_attach = function(client, bufnr)
 	local function buf_set_option(...) vim.api.nvim_buf_set_option(bufnr, ...) end
 	-- Enable completion triggered by <c-x><c-o>
@@ -193,8 +200,10 @@ end
 
 ------
 -- completions
--- plug: nvim-cmp, cmp-nvim-lsp
 ------
+vim.cmd.packadd("nvim-cmp")
+vim.cmd.packadd("cmp-nvim-lsp")
+
 local cmp = require('cmp')
 cmp.setup({
 	window = {

src/.config/nvim/lua/debugging.lua

@@ -3,6 +3,12 @@
 local confutil = require("confutil")
 local keymap = confutil.keymap
 
+-- dependency
+vim.cmd.packadd("nvim-nio")
+
+vim.cmd.packadd("nvim-dap")
+vim.cmd.packadd("nvim-dap-ui")
+
 local dap = require("dap")
 local dapui = require("dapui")
 

src/.config/nvim/lua/init.lua

@@ -1,5 +1,7 @@
 -- lua entry point
 
+vim.cmd.packadd("plenary.nvim")
+
 local confutil = require("confutil")
 
 local keymap = confutil.keymap
@@ -16,13 +18,16 @@ keymap("<leader>uu", ":let @+ = expand('<cfile>')<cr>")
 
 ------
 -- fancy prompts
--- plug: dressing.nvim, telescope.nvim, plenary.nvim
 ------
+vim.cmd.packadd("dressing.nvim")
 require('dressing').setup({
 	input = {
 		insert_only = false,
 	}
 })
+
+-- requires plenary.nvim
+vim.cmd.packadd("telescope.nvim")
 keymap("<leader>ef", "<cmd>Telescope find_files<cr>")
 keymap("<leader>eg", "<cmd>Telescope live_grep<cr>")
 keymap("<leader>em", "<cmd>Telescope buffers<cr>")

src/.config/nvim/lua/snippets.lua

@@ -1,5 +1,7 @@
 -- Snippet engine
 
+vim.cmd.packadd("LuaSnip")
+
 -- see coding.lua because it also uses luasnip
 -- snippets live in .config/nvim/snippets/
 

src/.config/nvim/lua/theme.lua

@@ -1,8 +1,10 @@
 ------
 -- color theme
--- plug: nvim-noirbuddy, colorbuddy.nvim
 ------
 
+vim.cmd.packadd("nvim-noirbuddy")
+vim.cmd.packadd("colorbuddy.nvim")
+
 require("noirbuddy").setup({
 	colors = {
 		primary = "#99AABB"