feat(pack)!: use lazy.nvim

This commit replaces packer.nvim with lazy.nvim to make the lazy-load
based package management painless, with lazy.nvim's automatic module
lazy-loading and lockfile support.

Squashed commit of the following:

commit 4b972111b3f91f0b385a6d58640c7751ff8ecd22
Author: sefidel <contact@sefidel.net>
Date:   Sun Oct 1 20:43:42 2023 +0900

    wip: remove leftover mentions to packer.nvim

commit 536106e405b9ec20084b9735a937e80699cdcbb8
Author: sefidel <contact@sefidel.net>
Date:   Sun Oct 1 20:33:44 2023 +0900

    wip: get rid of luarocks macros

commit 6cf35948e4a3081446a9c9414bf350661444df72
Author: sefidel <contact@sefidel.net>
Date:   Sun Oct 1 20:18:51 2023 +0900

    wip: working lazy.nvim checkpoint

commit 407056efd6de976b4d91162c70e3b49cca17664e
Author: sefidel <contact@sefidel.net>
Date:   Sun Oct 1 13:38:43 2023 +0900

    wip: replace packer.nvim with lazy.nvim

5 files changed, 62 insertions, 55 deletions

diff --git a/README.md b/README.md
index 74463c5..e9f66db 100644
--- a/README.md
+++ b/README.md
@@ -13,7 +13,7 @@ upstream.
 # Shoutouts
 
 - [rktjmp/hotpot.nvim](https://github.com/rktjmp/hotpot.nvim)
-- [wbthomason/packer.nvim](https://github.com/wbthomason/packer.nvim)
+- [folke/lazy.nvim](https://github.com/folke/lazy.nvim)
 - [shaunsingh/nyoom.nvim](https://github.com/shaunsingh/nyoom.nvim)
 - [kolja/vimrc](https://github.com/kolja/vimrc)
 - [Olical/aniseed](https://github.com/Olical/aniseed)
diff --git a/fnl/nvrc/macro/pack.fnl b/fnl/nvrc/macro/pack.fnl
index 7f76a0d..074723e 100644
--- a/fnl/nvrc/macro/pack.fnl
+++ b/fnl/nvrc/macro/pack.fnl
@@ -7,16 +7,14 @@
 (fn tbl? [x]
   (= :table (type x)))
 
-(local {: format} string)
 (local {: insert} table)
 
 (global nvrc/pack [])
-(global nvrc/rock [])
 
 (lambda pack [identifier ?options]
   "Returns a mixed table with the identifier as the first sequential element
   and options as hash-table items.
-  See https://github.com/wbthomason/packer.nvim for information about the
+  See https://github.com/folke/lazy.nvim for information about the
   options."
   (assert-compile (str? identifier) "expected string for identifier" identifier)
   (assert-compile (or (nil? ?options) (tbl? ?options))
@@ -24,8 +22,8 @@
   (let [options (or ?options {})
         options (collect [k v (pairs options)]
                          (if
-                           (= k :req) (values :config (format "require('nvrc.packs.%s')" v))
-                           (= k :init) (values :config (format "require('%s').setup({})" v))
+                           (= k :req) (values :config `#(require (string.format "nvrc.packs.%s" ,v)))
+                           (= k :init) (values :config `#((. (require ,v) :setup) {}))
                            (values k v)))]
     (doto options
           (tset 1 identifier))))
@@ -33,47 +31,20 @@
 (lambda pack! [identifier ?options]
   "Declares a plugin with its options.
   This is a mixed table saved on the global compile-time variable nvrc/pack.
-  See https://github.com/wbthomason/packer.nvim for information about the
+  See https://github.com/folke/lazy.nvim for information about the
   options."
   (assert-compile (str? identifier) "expected string for identifier" identifier)
   (assert-compile (or (nil? ?options) (tbl? ?options))
                   "expected table for options" ?options)
   (insert nvrc/pack (pack identifier ?options)))
 
-(lambda rock [identifier ?options]
-  "Returns a mixed table with the identifier as the first sequential element
-  and options as hash-table items.
-  See https://github.com/wbthomason/packer.nvim for information about the
-  options."
-  (assert-compile (str? identifier) "expected string for identifier" identifier)
-  (assert-compile (or (nil? ?options) (tbl? ?options))
-                  "expected table for options" ?options)
-  (let [options (or ?options {})]
-    (doto options
-          (tset 1 identifier))))
-
-(lambda rock! [identifier ?options]
-  "Declares a plugin with its options.
-  This is a mixed table saved on the global compile-time variable nvrc/rock.
-  See https://github.com/wbthomason/packer.nvim for information about the
-  options."
-  (assert-compile (str? identifier) "expected string for identifier" identifier)
-  (assert-compile (or (nil? ?options) (tbl? ?options))
-                  "expected table for options" ?options)
-  (insert nvrc/rock (rock identifier ?options)))
-
 (lambda unpack! []
   "Initializes the plugin manager with the previously declared plugins and
   their options."
-  (let [packs (icollect [_ v (ipairs nvrc/pack)]
-                        `(use ,v))
-        rocks (icollect [_ v (ipairs nvrc/rock)]
-                        `(use_rocks ,v))]
-    `((. (require :packer) :startup) #(do
-                                       ,(unpack (icollect [_ v (ipairs packs) :into rocks] v))))))
+  (let [packs [(unpack (icollect [_ v (ipairs nvrc/pack)]
+                         v))]]
+    `((. (require :lazy) :setup) ,packs)))
 
 {: pack
  : pack!
- : rock
- : rock!
  : unpack!}
diff --git a/fnl/nvrc/pack.fnl b/fnl/nvrc/pack.fnl
index f0c2104..15481b3 100644
--- a/fnl/nvrc/pack.fnl
+++ b/fnl/nvrc/pack.fnl
@@ -1,26 +1,24 @@
 (import-macros {: pack : pack! : unpack!} :nvrc.macro.pack)
 (import-macros {: setv!} :nvrc.macro.set)
 
-(pack! :wbthomason/packer.nvim)
+(pack! :folke/lazy.nvim)
 (pack! :rktjmp/hotpot.nvim)
 
-(pack! :nanotech/jellybeans.vim {:config "require('nvrc.colors').apply('jellybeans')"})
+(pack! :nanotech/jellybeans.vim {:config #((. (require :nvrc.colors) :apply) :jellybeans)})
 (pack! :kvrohit/rasmus.nvim)
 (pack! :nvim-treesitter/nvim-treesitter {:req :treesitter
-                                         :requires [(pack :nvim-treesitter/nvim-treesitter-refactor {:after :nvim-treesitter})
-                                                    (pack :nvim-treesitter/nvim-treesitter-textobjects {:after :nvim-treesitter})]})
+                                         :dependencies [(pack :nvim-treesitter/nvim-treesitter-refactor)
+                                                        (pack :nvim-treesitter/nvim-treesitter-textobjects)]})
 
 (pack! :antoinemadec/FixCursorHold.nvim)
 (pack! :justinmk/vim-dirvish)
 
 (pack! :neovim/nvim-lspconfig {:req :lspconfig
-                               :requires [(pack :hrsh7th/cmp-nvim-lsp {:after :nvim-cmp})
-                                          (pack :j-hui/fidget.nvim {:req :fidget :after :nvim-lspconfig :branch :legacy}) ; FIXME: Compatibility during rewrite
-                                          (pack :hrsh7th/cmp-nvim-lsp-signature-help {:after :cmp-nvim-lsp})]})
-(pack! :simrat39/rust-tools.nvim {:req :rust :ft :rust :requires [(pack :nvim-lua/plenary.nvim)]})
-(pack! :p00f/clangd_extensions.nvim {:req :clangd :ft [:c :cpp :objc :objcpp] :module :clangd_extensions})
-(pack! :mfussenegger/nvim-dap {:req :dap :requires [(pack :nvim-lua/plenary.nvim)]})
-(pack! :rcarriga/nvim-dap-ui {:init :dapui :requires [(pack :mfussenegger/nvim-dap)]})
+                               :dependencies [(pack :j-hui/fidget.nvim {:req :fidget :branch :legacy})]})
+(pack! :simrat39/rust-tools.nvim {:req :rust :ft :rust :dependencies [(pack :nvim-lua/plenary.nvim)]})
+(pack! :p00f/clangd_extensions.nvim {:req :clangd :ft [:c :cpp :objc :objcpp]})
+(pack! :mfussenegger/nvim-dap {:req :dap :dependencies [(pack :nvim-lua/plenary.nvim)
+                                                        (pack :rcarriga/nvim-dap-ui {:init :dapui})]})
 (pack! :gpanders/editorconfig.nvim)
 (pack! :stefandtw/quickfix-reflector.vim {:ft :qf})
 (pack! :tpope/vim-fugitive)
@@ -28,10 +26,12 @@
 (pack! :tpope/vim-sleuth)
 
 (pack! :hrsh7th/nvim-cmp {:req :cmp :event :BufEnter
-                          :requires [(pack :L3MON4D3/LuaSnip {:module :luasnip})
-                                     (pack :lukas-reineke/cmp-under-comparator {:module :cmp-under-comparator})]})
-(pack! :numToStr/Comment.nvim {:module :Comment :init :Comment})
-(pack! :ibhagwan/fzf-lua {:req :fzf :module :fzf-lua})
+                          :dependencies [(pack :L3MON4D3/LuaSnip)
+                                         (pack :lukas-reineke/cmp-under-comparator)
+                                         (pack :hrsh7th/cmp-nvim-lsp {:after :nvim-cmp})
+                                         (pack :hrsh7th/cmp-nvim-lsp-signature-help)]})
+(pack! :numToStr/Comment.nvim {:init :Comment})
+(pack! :ibhagwan/fzf-lua {:req :fzf})
 (pack! :ggandor/leap.nvim {:req :leap})
 (pack! :windwp/nvim-autopairs {:req :autopairs})
 
diff --git a/init.lua b/init.lua
index 3e8e14b..82565b8 100644
--- a/init.lua
+++ b/init.lua
@@ -4,18 +4,22 @@ local run = vim.api.nvim_command
 -- Enable opt-in filetype.lua: https://github.com/neovim/neovim/pull/16600
 vim.g.do_filetype_lua = 1
 
+local ensure_paths = {}
+
 local function ensure(user, repo)
-  local install_path = fmt("%s/site/pack/packer/start/%s", vim.fn.stdpath("data"), repo)
+  local install_path = fmt("%s/lazy/%s", vim.fn.stdpath("data"), repo)
+  table.insert(ensure_paths, install_path)
   if vim.fn.empty(vim.fn.glob(install_path)) ~= 0 then
     print(fmt("Pack '%s' not found, cloning to %s", repo, install_path))
     run(fmt("!git clone https://github.com/%s/%s %s", user, repo, install_path))
-    run(fmt("packadd %s", repo))
   end
 end
 
-ensure("wbthomason", "packer.nvim")
+ensure("folke", "lazy.nvim")
 ensure("rktjmp", "hotpot.nvim")
 
+vim.opt.rtp:prepend(ensure_paths)
+
 require("hotpot").setup { provide_require_fennel = true }
 
 require("nvrc.ignite")
diff --git a/lazy-lock.json b/lazy-lock.json
new file mode 100644
index 0000000..e6f0366
--- /dev/null
+++ b/lazy-lock.json
@@ -0,0 +1,32 @@
+{
+  "Comment.nvim": { "branch": "master", "commit": "0236521ea582747b58869cb72f70ccfa967d2e89" },
+  "FixCursorHold.nvim": { "branch": "master", "commit": "1900f89dc17c603eec29960f57c00bd9ae696495" },
+  "LuaSnip": { "branch": "master", "commit": "480b032f6708573334f4437d3f83307d143f1a72" },
+  "clangd_extensions.nvim": { "branch": "main", "commit": "bafed83f79b5779f5b43e8e015e13ca99dcd8b3a" },
+  "cmp-nvim-lsp": { "branch": "main", "commit": "44b16d11215dce86f253ce0c30949813c0a90765" },
+  "cmp-nvim-lsp-signature-help": { "branch": "main", "commit": "3d8912ebeb56e5ae08ef0906e3a54de1c66b92f1" },
+  "cmp-under-comparator": { "branch": "master", "commit": "6857f10272c3cfe930cece2afa2406e1385bfef8" },
+  "editorconfig.nvim": { "branch": "master", "commit": "5b9e303e1d6f7abfe616ce4cc8d3fffc554790bf" },
+  "fidget.nvim": { "branch": "legacy", "commit": "90c22e47be057562ee9566bad313ad42d622c1d3" },
+  "fzf-lua": { "branch": "main", "commit": "f4091b9fa05ae6c2eab2823c0b345be2a27208c6" },
+  "hotpot.nvim": { "branch": "master", "commit": "1dc11eb47ca15828df8ed3c7a014eeca9c564e55" },
+  "jellybeans.vim": { "branch": "master", "commit": "ef83bf4dc8b3eacffc97bf5c96ab2581b415c9fa" },
+  "lazy.nvim": { "branch": "main", "commit": "59335c5b9d116f5d3948f833288a89e2a829a005" },
+  "leap.nvim": { "branch": "main", "commit": "5efe985cf68fac3b6a6dfe7a75fbfaca8db2af9c" },
+  "nvim-autopairs": { "branch": "master", "commit": "de4f7138a68d5d5063170f2182fd27faf06b0b54" },
+  "nvim-cmp": { "branch": "main", "commit": "5dce1b778b85c717f6614e3f4da45e9f19f54435" },
+  "nvim-dap": { "branch": "master", "commit": "b3d4408e29d924fe130c9397a7c3b3630b3ea671" },
+  "nvim-dap-ui": { "branch": "master", "commit": "34160a7ce6072ef332f350ae1d4a6a501daf0159" },
+  "nvim-lspconfig": { "branch": "master", "commit": "7ec2ab0cb8f529708dba55964fb0a59d3cc21853" },
+  "nvim-treesitter": { "branch": "master", "commit": "776e4d341b5416c995e74c3abbf75f9cec26aa5e" },
+  "nvim-treesitter-refactor": { "branch": "master", "commit": "65ad2eca822dfaec2a3603119ec3cc8826a7859e" },
+  "nvim-treesitter-textobjects": { "branch": "master", "commit": "bd103502252027434ec42f628d2dbf54821d4ce6" },
+  "plenary.nvim": { "branch": "master", "commit": "9ce85b0f7dcfe5358c0be937ad23e456907d410b" },
+  "quickfix-reflector.vim": { "branch": "master", "commit": "6a6a9e28e1713b9e9db99eec1e6672e5666c01b9" },
+  "rasmus.nvim": { "branch": "main", "commit": "f824de95d446686e479781c0c2b778c177da528f" },
+  "rust-tools.nvim": { "branch": "master", "commit": "0cc8adab23117783a0292a0c8a2fbed1005dc645" },
+  "vim-dirvish": { "branch": "master", "commit": "bbf53b30ca1e718625b9b84b1d32379e470ddad7" },
+  "vim-eunuch": { "branch": "master", "commit": "67f3dd32b4dcd1c427085f42ff5f29c7adc645c6" },
+  "vim-fugitive": { "branch": "master", "commit": "99db68d9b3304580bd383da7aaee05c7a954a344" },
+  "vim-sleuth": { "branch": "master", "commit": "1cc4557420f215d02c4d2645a748a816c220e99b" }
+}
\ No newline at end of file