nvim: migrate to lazy package manager

.gitignore

@@ -18,3 +18,4 @@ home/user/.ipython/profile_default/*
 
 home/user/.gnupg/*
 !home/user/.gnupg/gpg.conf
+lazy-lock.json

home/user/.config/nvim/after/plugin/rainbow.lua

@@ -1,9 +0,0 @@
-if not (packer_plugins["vim-rainbow"] and packer_plugins["vim-rainbow"].loaded) then
-    return
-end
-
-vim.api.nvim_create_autocmd('BufEnter',
-             {
-                 pattern = {"*"},
-                 command = 'RainbowToggle'
-             })

home/user/.config/nvim/lua/base/init.lua

@@ -1,7 +1,7 @@
 for _, source in ipairs {
     "base.options",
-    "base.keys",
+    "base.mappings",
-    "base.plugins",
+    "base.lazy",
 } do
     local status_ok, fault = pcall(require, source)
     if not status_ok then

home/user/.config/nvim/lua/base/keys/init.lua

@@ -1,2 +0,0 @@
-require("base.keys.keys")
-require("base.keys.run-scripts")

home/user/.config/nvim/lua/base/lazy.lua

@@ -0,0 +1,150 @@
+
+local function install_lazy_if_not_installed(lazypath)
+    if not vim.loop.fs_stat(lazypath) then
+        vim.fn.system({
+            "git", "clone",
+            "--filter=blob:none",
+            "https://github.com/folke/lazy.nvim.git",
+            "--branch=stable", -- latest stable release
+            lazypath,
+        })
+    end
+end
+
+local lazypath = vim.fn.stdpath("data") .. "/lazy/lazy.nvim"
+install_lazy_if_not_installed(lazypath)
+vim.opt.rtp:prepend(lazypath)
+
+
+local plugins = {
+    {
+        'nvim-lualine/lualine.nvim',
+        dependencies = { 'kyazdani42/nvim-web-devicons' }
+    },
+    {
+        'ellisonleao/gruvbox.nvim'  -- colorscheme
+    },
+    {
+        'kana/vim-textobj-lastpat', -- text-object i/, operate under finding
+        dependencies = { 'kana/vim-textobj-user' }
+    },
+    {
+        'tpope/vim-surround'
+    },
+    {
+        'tpope/vim-repeat'
+    },
+    {
+        'google/vim-searchindex'
+    },
+    {
+        'tpope/vim-commentary'  -- gcc to comment line
+    },
+    {
+        'ap/vim-css-color'  -- highlight hex
+    },
+    {
+        'preservim/tagbar',
+        keys = {
+            { '<Leader>t', '<cmd>TagbarToggle<CR>' }
+        },
+        enabled = vim.fn.executable "ctags" == 1
+    },
+    {
+        'preservim/vimux',
+        enabled = vim.fn.executable "tmux" == 1
+    },
+    {
+        'rbgrouleff/bclose.vim'
+    },
+    {
+        'frazrepo/vim-rainbow',
+        config = function()
+            vim.api.nvim_create_autocmd('BufEnter',
+            {
+                pattern = {"*"},
+                command = 'RainbowToggle'
+            })
+        end
+    },
+    {
+        'Pocco81/auto-save.nvim'  -- autosave files
+    },
+    {
+        'windwp/nvim-autopairs'  -- auto pair brackets and tags
+    },
+    {
+        'lewis6991/gitsigns.nvim'  -- git integration
+    },
+    {
+        'windwp/nvim-ts-autotag'
+    },
+    {
+        'lervag/vimtex'
+    },
+    {
+        'shime/vim-livedown',
+        enabled = vim.fn.executable "npm" == 1,
+        build = '/usr/bin/npm install -g livedown'
+    },
+    {
+        'nvim-treesitter/nvim-treesitter',
+        build = ':TSUpdate'
+    },
+    {
+        'numToStr/Comment.nvim'
+    },
+    {
+        'neovim/nvim-lspconfig'
+    },
+    {
+        'folke/trouble.nvim',
+        dependencies = { 'kyazdani42/nvim-web-devicons' }
+    },
+    {
+        'neovim/nvim-lspconfig'
+    },
+    {
+        'hrsh7th/nvim-cmp'
+    },
+    {
+        'hrsh7th/cmp-nvim-lsp'
+    },
+    {
+        'saadparwaiz1/cmp_luasnip'
+    },
+    {
+        'L3MON4D3/LuaSnip',
+        dependencies = 'hrsh7th/nvim-cmp',
+    },
+    {
+        'honza/vim-snippets'
+    },
+    {
+        'williamboman/mason.nvim',
+        dependencies = "williamboman/mason-lspconfig.nvim"
+    },
+    {
+        'nvim-telescope/telescope.nvim',
+        enabled = vim.fn.executable "fzf" == 1,
+        dependencies = {
+            'nvim-lua/plenary.nvim',
+            {
+                'nvim-telescope/telescope-fzf-native.nvim',
+                enabled = vim.fn.executable "make" == 1,
+                build = "make"
+            }
+        },
+        keys = {
+            { '<Leader>ff', '<cmd>Telescope find_files<CR>' },
+            { '<Leader>fg', '<cmd>Telescope live_grep<CR>' },
+        }
+    },
+}
+
+require("lazy").setup(
+    plugins,
+    {
+        lockfile = vim.fn.stdpath "data" .. "/lazy-lock.json"
+    }
+)

home/user/.config/nvim/lua/base/mappings/init.lua

@@ -0,0 +1,2 @@
+require("base.mappings.mappings")
+require("base.mappings.run-scripts")

home/user/.config/nvim/lua/base/mappings/mappings.lua

@@ -63,15 +63,6 @@ map("n", '<Leader>eh', '<cmd>set list!<CR>', opts)
 vim.opt.listchars=[[tab:→\ ,eol:↵,trail:·,extends:↷,precedes:↶]]
 
 
--- Tags panel (ctags required)
-map("n", '<Leader>t', '<cmd>TagbarToggle<CR>', opts)
-
-
--- Telescope
-map("n", '<Leader>ff', '<cmd>Telescope find_files<CR>', opts)
-map("n", '<Leader>fg', '<cmd>Telescope live_grep<CR>', opts)
-
-
 -- Expand %% to dirname of current file in command line
 map("c", '%%', [[getcmdtype() == ':' ? expand('%:h').'/' : '%%']], {expr = true})
 

home/user/.config/nvim/lua/base/plugins.lua

@@ -1,69 +0,0 @@
-vim.cmd([[packadd packer.nvim]])
-return require('packer').startup(function(use)
-    use 'wbthomason/packer.nvim'
-
-    use {
-        'nvim-lualine/lualine.nvim',
-        requires = { 'kyazdani42/nvim-web-devicons' }
-    }
-
-    use {
-        'kana/vim-textobj-lastpat', -- text-object i/, operate under finding
-        requires = { 'kana/vim-textobj-user' }
-    }
-
-    use 'ellisonleao/gruvbox.nvim'  -- theme
-    use 'tpope/vim-surround'
-    use 'tpope/vim-repeat'
-    use 'google/vim-searchindex'
-    use 'tpope/vim-commentary'  -- gcc to comment line
-    use 'ap/vim-css-color'  -- highlight hex
-    use 'preservim/tagbar'
-    use 'preservim/vimux'
-    use 'rbgrouleff/bclose.vim'
-    use 'frazrepo/vim-rainbow'  -- rainbow brackets
-    use 'Pocco81/auto-save.nvim'  -- autosave files
-    use 'windwp/nvim-autopairs'  -- auto pair brackets and tags
-    use 'lewis6991/gitsigns.nvim'  -- git integration
-    use 'windwp/nvim-ts-autotag'
-    use 'lervag/vimtex'
-    use {
-        'shime/vim-livedown',  -- Markdown previewer :LivedownPreview
-        run = '/usr/bin/npm install -g livedown'
-    }
-    use { 'nvim-treesitter/nvim-treesitter', run = ':TSUpdate' }
-
-    use 'numToStr/Comment.nvim'
-
-    use { 'folke/trouble.nvim',
-        requires = { 'kyazdani42/nvim-web-devicons' }
-    }
-
-    use 'neovim/nvim-lspconfig'
-    use 'hrsh7th/nvim-cmp'
-    use 'hrsh7th/cmp-nvim-lsp'
-
-    -- snippets
-    use 'saadparwaiz1/cmp_luasnip'
-    use {
-        'L3MON4D3/LuaSnip',
-        after = 'nvim-cmp',
-    }
-    use 'honza/vim-snippets'
-
-    -- lsp servers installer
-    use {
-        'williamboman/mason.nvim',
-        requires = {
-            "williamboman/mason-lspconfig.nvim"
-        },
-    }
-
-    use {
-        'nvim-telescope/telescope.nvim',
-        requires = {
-            { 'nvim-lua/plenary.nvim' },
-            { 'nvim-telescope/telescope-fzf-native.nvim', run = 'make' }
-        }
-    }
-end)

install

@@ -92,9 +92,8 @@ cmd_nvim() {
 
     _link_files_in_sandbox ".config/nvim" ".local/bin/vim_askpass_helper" ".local/bin/vim_askpass_helper_python"
 
-    git clone --depth 1 https://github.com/wbthomason/packer.nvim "$SANDBOX_PATH/.local/share/nvim/site/pack/packer/start/packer.nvim"
     __install_from_sandbox
-    nvim +PackerCompile +PackerSync +PackerSync
+    nvim +Lazy
 }
 
 cmd_ssh() {