rewrite configuration, migrate to lazy.nvim

home-manager/common/programs/nvim/config/init.lua

@@ -1,86 +1,31 @@
 --
--- Vim Options
+-- Bootstrap lazy.nvim
 --
 
--- Disable vim's built in file explorer
-vim.g.loaded_netrw = 1
-vim.g.loaded_netrwPlugin = 1
-
--- {{{ General Configuration
-vim.opt.termguicolors = true          -- set termguicolors to enable highlight groups
-vim.opt.number        = true          -- print line numbers
-vim.opt.showmode      = false         -- if in insert, replace or visual mode put a message on the last line
-vim.opt.swapfile      = false         -- disable swap file
-vim.opt.clipboard     = 'unnamedplus' -- use the system clipboard as the default register
--- }}}
-
--- {{{ Spaces & Tabs
-vim.opt.tabstop     = 2     -- number of visual spaces per TAB
-vim.opt.softtabstop = 2     -- number of spaces in tab when editing
-vim.opt.shiftwidth  = 2     -- number of spaces to use for autoindent
-vim.opt.expandtab   = true  -- tabs are space
-vim.opt.autoindent  = true
-vim.opt.copyindent  = true  -- copy indent from the previous line
--- }}}
-
--- {{{ Keybinds
-vim.g.mapleader = ' '
-
-local opts = { noremap = true, silent = true }
-local map = vim.api.nvim_set_keymap
-
-
-map('n', '<leader>t', ':NvimTreeToggle<cr>', opts)
--- }}}
-
---
--- Gruvbox Material
--- 
-
--- For dark version
-vim.opt.background = 'dark'
-
--- Set contrast
-vim.g.gruvbox_material_background = 'hard'
-
--- For better performance
-vim.g.gruvbox_material_better_performance = 0
-
--- To disable italic in `Comment`, set this option to `1`
-vim.g.gruvbox_material_disable_italic_comment = 1
-
--- To enable bold in function name just like the original gruvbox, set this option to `1`
-vim.g.gruvbox_material_enable_bold = 0
-
--- To enable italic in this color scheme, set this option to `1`
-vim.g.gruvbox_material_enable_italic = 1
-
--- Set the colorscheme
-vim.cmd [[colorscheme gruvbox-material]]
+local lazypath = vim.fn.stdpath('data') .. '/lazy/lazy.nvim'
+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
+vim.opt.rtp:prepend(lazypath)
 
 
 --
--- Load and run our libraries
+-- Load our configurations
 --
 
--- load defaults
-require('nvim-tree').setup()
-require('Comment').setup()
-require('gitsigns').setup()
-
--- user
-require('user.lspconfig')
-require('user.nvim-cmp')
-require('user.lualine')
-
--- user.config
-require('user.config.server_configurations')
+require('configs.options')
 
 
--- Enable syntax highlighting
-require('nvim-treesitter.configs').setup {
-  highlight = {
-    enable = true,
-  }
-}
+--
+-- Load our plugin specs
+--
+
+require('lazy').setup('plugins')
 

home-manager/common/programs/nvim/config/lua/configs/options.lua

@@ -0,0 +1,17 @@
+-- Keybinds
+vim.g.mapleader = ' '
+
+-- General
+vim.opt.number    = true
+vim.opt.showmode  = false
+vim.opt.swapfile  = false
+vim.opt.clipboard = 'unnamedplus'
+
+-- Tabs & spaces
+vim.opt.tabstop     = 2
+vim.opt.softtabstop = 2
+vim.opt.shiftwidth  = 2
+vim.opt.expandtab   = true
+vim.opt.autoindent  = true
+vim.opt.copyindent  = true
+

home-manager/common/programs/nvim/config/lua/plugins/coding.lua

@@ -0,0 +1,165 @@
+return {
+  --
+  -- LSP Configuration
+  --
+
+  {
+    'neovim/nvim-lspconfig',
+    event = { 'BufReadPost', 'BufNewFile' },
+    dependencies = {
+      'hrsh7th/nvim-cmp',         -- Autocompletion plugin
+      'hrsh7th/cmp-nvim-lsp',     -- LSP source for nvim-cmp
+      'saadparwaiz1/cmp_luasnip', -- Snippets source for nvim-cmp
+      'L3MON4D3/LuaSnip',         -- Snippets plugin
+    },
+    config = function ()
+      --
+      -- Setup language servers.
+      --
+
+      local lspconfig = require('lspconfig')
+
+      -- Lua
+      lspconfig.lua_ls.setup {
+        on_init = function(client)
+          local path = client.workspace_folders[1].name
+          if not vim.loop.fs_stat(path..'/.luarc.json') and not vim.loop.fs_stat(path..'/.luarc.jsonc') then
+            client.config.settings = vim.tbl_deep_extend('force', client.config.settings, {
+              Lua = {
+                runtime = {
+                  -- Tell the language server which version of Lua you're using
+                  -- (most likely LuaJIT in the case of Neovim)
+                  version = 'LuaJIT'
+                },
+                -- Make the server aware of Neovim runtime files
+                workspace = {
+                  checkThirdParty = false,
+                  library = {
+                    vim.env.VIMRUNTIME
+                    -- "${3rd}/luv/library"
+                    -- "${3rd}/busted/library",
+                  }
+                  -- or pull in all of 'runtimepath'. NOTE: this is a lot slower
+                  -- library = vim.api.nvim_get_runtime_file("", true)
+                }
+              }
+            })
+
+            client.notify("workspace/didChangeConfiguration", { settings = client.config.settings })
+          end
+          return true
+        end
+      }
+
+      -- Haskell
+      lspconfig.hls.setup{
+        filetypes = { 'haskell', 'lhaskell', 'cabal' },
+      }
+
+      -- Nix
+      lspconfig.nil_ls.setup{}
+
+
+      --
+      -- Global mappings
+      --
+
+      -- See `:help vim.diagnostic.*` for documentation on any of the below functions
+      vim.keymap.set('n', '<space>e', vim.diagnostic.open_float)
+      vim.keymap.set('n', '[d', vim.diagnostic.goto_prev)
+      vim.keymap.set('n', ']d', vim.diagnostic.goto_next)
+      vim.keymap.set('n', '<space>q', vim.diagnostic.setloclist)
+
+      -- Use LspAttach autocommand to only map the following keys
+      -- after the language server attaches to the current buffer
+      vim.api.nvim_create_autocmd('LspAttach', {
+        group = vim.api.nvim_create_augroup('UserLspConfig', {}),
+        callback = function(ev)
+          -- Buffer local mappings.
+          -- See `:help vim.lsp.*` for documentation on any of the below functions
+          local opts = { buffer = ev.buf }
+          vim.keymap.set('n', 'gD', vim.lsp.buf.declaration, opts)
+          vim.keymap.set('n', 'gd', vim.lsp.buf.definition, opts)
+          vim.keymap.set('n', 'K', vim.lsp.buf.hover, opts)
+          vim.keymap.set('n', 'gi', vim.lsp.buf.implementation, opts)
+          vim.keymap.set('n', '<C-k>', vim.lsp.buf.signature_help, opts)
+          vim.keymap.set('n', '<space>wa', vim.lsp.buf.add_workspace_folder, opts)
+          vim.keymap.set('n', '<space>wr', vim.lsp.buf.remove_workspace_folder, opts)
+          vim.keymap.set('n', '<space>wl', function()
+            print(vim.inspect(vim.lsp.buf.list_workspace_folders()))
+          end, opts)
+          vim.keymap.set('n', '<space>D', vim.lsp.buf.type_definition, opts)
+          vim.keymap.set('n', '<space>rn', vim.lsp.buf.rename, opts)
+          vim.keymap.set({ 'n', 'v' }, '<space>ca', vim.lsp.buf.code_action, opts)
+          vim.keymap.set('n', 'gr', vim.lsp.buf.references, opts)
+          vim.keymap.set('n', '<space>f', function()
+            vim.lsp.buf.format { async = true }
+          end, opts)
+        end,
+      })
+
+
+      --
+      -- Autocompletion
+      --
+
+      -- Add additional capabilities supported by nvim-cmp
+      local capabilities = require("cmp_nvim_lsp").default_capabilities()
+
+      -- Enable some language servers with the additional completion capabilities offered by nvim-cmp
+      local servers = { 'clangd', 'rust_analyzer', 'pyright', 'tsserver' }
+      for _, lsp in ipairs(servers) do
+        lspconfig[lsp].setup {
+          -- on_attach = my_custom_on_attach,
+          capabilities = capabilities,
+        }
+      end
+
+      -- luasnip setup
+      local luasnip = require 'luasnip'
+
+      -- nvim-cmp setup
+      local cmp = require 'cmp'
+      cmp.setup {
+        snippet = {
+          expand = function(args)
+            luasnip.lsp_expand(args.body)
+          end,
+        },
+        mapping = cmp.mapping.preset.insert({
+          ['<C-u>'] = cmp.mapping.scroll_docs(-4), -- Up
+          ['<C-d>'] = cmp.mapping.scroll_docs(4), -- Down
+          -- C-b (back) C-f (forward) for snippet placeholder navigation.
+          ['<C-Space>'] = cmp.mapping.complete(),
+          ['<CR>'] = cmp.mapping.confirm {
+            behavior = cmp.ConfirmBehavior.Replace,
+            select = true,
+          },
+          ['<Tab>'] = cmp.mapping(function(fallback)
+            if cmp.visible() then
+              cmp.select_next_item()
+            elseif luasnip.expand_or_jumpable() then
+              luasnip.expand_or_jump()
+            else
+              fallback()
+            end
+          end, { 'i', 's' }),
+          ['<S-Tab>'] = cmp.mapping(function(fallback)
+            if cmp.visible() then
+              cmp.select_prev_item()
+            elseif luasnip.jumpable(-1) then
+              luasnip.jump(-1)
+            else
+              fallback()
+            end
+          end, { 'i', 's' }),
+        }),
+        sources = {
+          { name = 'nvim_lsp' },
+          { name = 'luasnip' },
+        },
+      }
+    end
+  },
+}
+

home-manager/common/programs/nvim/config/lua/plugins/colorscheme.lua

@@ -0,0 +1,21 @@
+return {
+  --
+  -- Modified version of gruvbox
+  --
+
+  {
+    'sainnhe/gruvbox-material',
+    lazy = false,
+    priority = 1000,
+    config = function()
+      vim.o.termguicolors = true
+      vim.o.background = 'dark'
+
+      vim.g.gruvbox_material_background = 'hard'
+      vim.g.gruvbox_material_better_performance = 1
+
+      vim.cmd([[colorscheme gruvbox-material]])
+    end,
+  },
+}
+

home-manager/common/programs/nvim/config/lua/plugins/editor.lua

@@ -0,0 +1,85 @@
+return {
+  --
+  -- Treesitter
+  --
+
+  {
+    'nvim-treesitter/nvim-treesitter',
+    build = ":TSUpdate",
+    config = function()
+      local configs = require('nvim-treesitter.configs')
+
+      configs.setup({
+        auto_install = true,
+        highlight = { enable = true },
+        indent = { enable = true },
+      })
+    end
+  },
+
+
+  --
+  -- Fuzzy Finder
+  --
+
+  {
+    'nvim-telescope/telescope.nvim',
+    tag = '0.1.3',
+    dependencies = {
+      'nvim-lua/plenary.nvim',
+      'nvim-tree/nvim-web-devicons',
+    },
+    keys = {
+      { '<leader>ff', '<cmd>Telescope find_files<cr>', desc = 'Find Files' },
+      { '<leader>fg', '<cmd>Telescope live_grep<cr>' , desc = 'Live Grep'  },
+      { '<leader>fb', '<cmd>Telescope buffers<cr>'   , desc = 'Buffers'    },
+      { '<leader>fh', '<cmd>Telescope help_tags<cr>' , desc = 'Help Tags'  },
+    },
+    config = function()
+      require('telescope').setup()
+    end
+  },
+
+
+  --
+  -- Commenting
+  --
+
+  {
+    'numToStr/Comment.nvim',
+    config = function()
+      require('Comment').setup()
+    end
+  },
+
+
+  --
+  -- Git Commands
+  --
+
+  {
+    'kdheepak/lazygit.nvim',
+    dependencies = {
+      'nvim-lua/plenary.nvim'
+    },
+    keys = {
+      { '<leader>gg', '<cmd>LazyGit<cr>', desc = 'LazyGit' },
+    }
+  },
+
+
+  --
+  -- Display Keybindings
+  --
+
+  {
+    'folke/which-key.nvim',
+    event = 'VeryLazy',
+    init = function()
+      vim.o.timeout = true
+      vim.o.timeoutlen = 300
+    end,
+    opts = { },
+  },
+}
+

home-manager/common/programs/nvim/config/lua/plugins/ui.lua

@@ -0,0 +1,60 @@
+return {
+  --
+  -- File explorer
+  --
+
+  {
+    'nvim-neo-tree/neo-tree.nvim',
+    dependencies = {
+      'nvim-lua/plenary.nvim',
+      'nvim-tree/nvim-web-devicons',
+      'MunifTanjim/nui.nvim',
+    },
+    keys = {
+      { '/', '<cmd>Neotree reveal<cr>', desc = 'Neotree' },
+    },
+    opts = {
+      close_if_last_window = true,
+    }
+  },
+
+
+  --
+  -- Statusline
+  --
+
+  {
+    'nvim-lualine/lualine.nvim',
+    event = 'VeryLazy',
+    dependencies = {
+      'nvim-tree/nvim-web-devicons',
+    },
+    config = function()
+      require('lualine').setup {
+        options = {
+          icons_enabled = true,
+          theme = 'gruvbox-material',    
+          component_separators = { left = '', right = ''},
+          section_separators = { left = '', right = ''},
+          globalstatus = true,
+          extensions = {
+            'neotree'
+          },
+        }
+      }
+    end,
+  },
+
+
+  --
+  -- Git decorations
+  --
+
+  {
+    'lewis6991/gitsigns.nvim',
+    config = function()
+      require('gitsigns').setup()
+    end
+  }
+}
+

home-manager/common/programs/nvim/config/lua/user/config/server_configurations.lua

@@ -1,33 +0,0 @@
--- Setup language servers
-require'lspconfig'.clangd.setup{}
-require'lspconfig'.nil_ls.setup{}
-
--- haskell-language-server
-require'lspconfig'.hls.setup {
-  filetypes = { 'haskell', 'lhaskell', 'cabal' },
-}
-
--- lua-language-server
-require'lspconfig'.lua_ls.setup {
-  settings = {
-    Lua = {
-      runtime = {
-        -- Tell the language server which version of Lua you're using (most likely LuaJIT in the case of Neovim)
-        version = 'LuaJIT',
-      },
-      diagnostics = {
-        -- Get the language server to recognize the `vim` global
-        globals = {'vim'},
-      },
-      workspace = {
-        -- Make the server aware of Neovim runtime files
-        library = vim.api.nvim_get_runtime_file("", true),
-        checkThirdParty = false,
-      },
-      -- Do not send telemetry data containing a randomized but unique identifier
-      telemetry = {
-        enable = false,
-      },
-    },
-  },
-}

home-manager/common/programs/nvim/config/lua/user/lspconfig.lua

@@ -1,40 +0,0 @@
--- Global mappings.
--- See `:help vim.diagnostic.*` for documentation on any of the below functions
-vim.keymap.set('n', '<space>de', vim.diagnostic.enable)
-vim.keymap.set('n', '<space>dd', vim.diagnostic.disable)
-vim.keymap.set('n', '<space>e', vim.diagnostic.open_float)
-vim.keymap.set('n', '[d', vim.diagnostic.goto_prev)
-vim.keymap.set('n', ']d', vim.diagnostic.goto_next)
-vim.keymap.set('n', '<space>q', vim.diagnostic.setloclist)
-
--- Use LspAttach autocommand to only map the following keys
--- after the language server attaches to the current buffer
-vim.api.nvim_create_autocmd('LspAttach', {
-  group = vim.api.nvim_create_augroup('UserLspConfig', {}),
-  callback = function(ev)
-    -- Enable completion triggered by <c-x><c-o>
-    vim.bo[ev.buf].omnifunc = 'v:lua.vim.lsp.omnifunc'
-
-    -- Buffer local mappings.
-    -- See `:help vim.lsp.*` for documentation on any of the below functions
-    local opts = { buffer = ev.buf }
-    vim.keymap.set('n', 'gD', vim.lsp.buf.declaration, opts)
-    vim.keymap.set('n', 'gd', vim.lsp.buf.definition, opts)
-    vim.keymap.set('n', 'K', vim.lsp.buf.hover, opts)
-    vim.keymap.set('n', 'gi', vim.lsp.buf.implementation, opts)
-    vim.keymap.set('n', '<C-k>', vim.lsp.buf.signature_help, opts)
-    vim.keymap.set('n', '<space>wa', vim.lsp.buf.add_workspace_folder, opts)
-    vim.keymap.set('n', '<space>wr', vim.lsp.buf.remove_workspace_folder, opts)
-    vim.keymap.set('n', '<space>wl', function()
-      print(vim.inspect(vim.lsp.buf.list_workspace_folders()))
-    end, opts)
-    vim.keymap.set('n', '<space>D', vim.lsp.buf.type_definition, opts)
-    vim.keymap.set('n', '<space>rn', vim.lsp.buf.rename, opts)
-    vim.keymap.set('n', '<space>ca', vim.lsp.buf.code_action, opts)
-    vim.keymap.set('n', 'gr', vim.lsp.buf.references, opts)
-    vim.keymap.set('n', '<space>f', function()
-      vim.lsp.buf.format { async = true }
-    end, opts)
-  end,
-})
-

home-manager/common/programs/nvim/config/lua/user/lualine.lua

@@ -1,87 +0,0 @@
--- Use external source for diff
-local function diff_source()
-  local gitsigns = vim.b.gitsigns_status_dict
-  if gitsigns then
-    return {
-      added = gitsigns.added,
-      modified = gitsigns.changed,
-      removed = gitsigns.removed
-    }
-  end
-end
-
--- Configure the statusline
-require('lualine').setup {
-  options = {
-    -- Set our theme and icon status
-    icons_enabled = true,
-    theme = 'gruvbox-material',
-
-    -- Define our seperators
-    component_separators = { left = '', right = ''},
-    section_separators = { left = '', right = ''},
-
-    -- Disable some filetypes
-    disabled_filetypes = {
-      statusline = {},
-      winbar = {},
-    },
-
-    -- If current filetype in in this list it'll
-    -- always be drawn as inactive statusline
-    ignore_focus = {},
-
-    -- When set to true, left sections i.e. 'a','b' and 'c'
-    -- can't take over the entire statusline even
-    -- if neither of 'x', 'y' or 'z' are present.
-    always_divide_middle = true,
-
-    -- enable global statusline (have a single statusline
-    -- at bottom of neovim instead of one for  every window).
-    globalstatus = true,
-
-    -- sets how often lualine should refreash it's contents (in ms)
-    refresh = {
-      statusline = 1000,
-      tabline = 1000,
-      winbar = 1000,
-    }
-  },
-
-  -- Setup our active statusline components
-  sections = {
-    lualine_a = {'mode'},
-    lualine_b = { {'FugitiveHead', icon = ''}, {'diff', source = diff_source}, 'diagnostics'},
-    lualine_c = {'filename'},
-    lualine_x = {'encoding', 'fileformat', 'filetype'},
-    lualine_y = {'progress'},
-    lualine_z = {'location'}
-  },
-
-  -- Setup our inactive statusline components
-  inactive_sections = {
-    lualine_a = {},
-    lualine_b = {},
-    lualine_c = {'filename'},
-    lualine_x = {'location'},
-    lualine_y = {},
-    lualine_z = {}
-  },
-
-  -- Setup our tabline components
-  tabline = {
-    lualine_a = {'buffers'},
-    lualine_b = {'searchcount'},
-    lualine_c = {},
-    lualine_x = {},
-    lualine_y = {},
-    lualine_z = {'tabs'}
-  },
-
-  -- Setup our winbar components
-  winbar = {},
-  inactive_winbar = {},
-
-  -- Load our extensions
-  extensions = {'fugitive', 'nvim-tree'}
-}

home-manager/common/programs/nvim/config/lua/user/nvim-cmp.lua

@@ -1,60 +0,0 @@
--- Add additional capabilities supported by nvim-cmp
-local capabilities = require("cmp_nvim_lsp").default_capabilities()
-
-local lspconfig = require('lspconfig')
-
--- Enable some language servers with the additional completion capabilities offered by nvim-cmp
-local servers = { 'clangd', 'lua_ls', 'nil_ls' }
-for _, lsp in ipairs(servers) do
-  lspconfig[lsp].setup {
-    -- on_attach = my_custom_on_attach,
-    capabilities = capabilities,
-  }
-end
-
--- luasnip setup
-local luasnip = require 'luasnip'
-
--- nvim-cmp setup
-local cmp = require 'cmp'
-cmp.setup {
-  snippet = {
-    expand = function(args)
-      luasnip.lsp_expand(args.body)
-    end,
-  },
-  mapping = cmp.mapping.preset.insert({
-    ["<C-n>"] = cmp.mapping.abort(),
-    ['<C-u>'] = cmp.mapping.scroll_docs(-4), -- Up
-    ['<C-d>'] = cmp.mapping.scroll_docs(4), -- Down
-    -- C-b (back) C-f (forward) for snippet placeholder navigation.
-    ['<C-Space>'] = cmp.mapping.complete(),
-    ['<CR>'] = cmp.mapping.confirm {
-      behavior = cmp.ConfirmBehavior.Replace,
-      select = true,
-    },
-    ['<Tab>'] = cmp.mapping(function(fallback)
-      if cmp.visible() then
-        cmp.select_next_item()
-      elseif luasnip.expand_or_jumpable() then
-        luasnip.expand_or_jump()
-      else
-        fallback()
-      end
-    end, { 'i', 's' }),
-    ['<S-Tab>'] = cmp.mapping(function(fallback)
-      if cmp.visible() then
-        cmp.select_prev_item()
-      elseif luasnip.jumpable(-1) then
-        luasnip.jump(-1)
-      else
-        fallback()
-      end
-    end, { 'i', 's' }),
-  }),
-  sources = {
-    { name = 'nvim_lsp' },
-    { name = 'luasnip' },
-  },
-}
-

home-manager/common/programs/nvim/default.nix

@@ -1,59 +1,24 @@
 { inputs, outputs, lib, config, pkgs, ... }:
 
 {
-
-  home.packages = with pkgs.unstable; [
-    # Language servers
-    clang-tools             # C, C++, Objective C/C++, OpenCL, CUDA, and RenderScript
-    haskell-language-server # Haskell
-    lua-language-server     # Lua
-    nil                     # Nix
-  ];
-
   programs.neovim = {
     enable = true;
-    package = pkgs.unstable.neovim-unwrapped;
-    plugins = with pkgs.unstable.vimPlugins; [
-      # Install all grammar packages 
-      # nvim-treesitter.withAllGrammars
-
-      # Or specific grammar packages only
-      (nvim-treesitter.withPlugins (p: [
-        p.c
-        p.lua
-        p.nix
-      ]))
-
-      # Quality of Life Enhancements
-      comment-nvim           # Smart and powerful commenting
-
-      # User Interface
-      gruvbox-material       # Theme
-      dashboard-nvim         # Start screen
-      nvim-tree-lua          # File explorer
-      lualine-nvim           # Statusline
-
-      # Git Integration
-      vim-fugitive           # Call any arbitary git command
-      gitsigns-nvim          # Git decorations
-      
-      # Autocompletion
-      nvim-lspconfig         # Collection of configurations for built-in LSP client
-      nvim-cmp               # Autocompletion plugin
-      cmp-nvim-lsp           # LSP source for nvim-cmp
-      cmp_luasnip            # Snippets source for nvim-cmp
-      luasnip                # Snippets plugin
-
     package = pkgs.neovim-nightly;
+    defaultEditor = true;
+    extraPackages = with pkgs; [
       # Misc
-      vim-shellcheck         # Static analysis tool for shell scripts
-      markdown-preview-nvim  # Preview markdown in browser
-
-      # Dependencies
-      nvim-web-devicons      # Provides icons
+      lazygit
+      # Required for nvim-treesitter
+      gcc
+      # Required for telescope.nvim
+      fd
+      ripgrep
+      # Language server packages
+      nil
+      haskell-language-server
+      lua-language-server
     ];
   };
 
   xdg.configFile.nvim = { source = ./config; recursive = true; };
-
 }