matthiasdebernardini · January 13, 2023 19:43 · Jan 13, 2023
diff --git a/init.lua b/init.lua
@@ -0,0 +1,459 @@
+-- Install packer
+local install_path = vim.fn.stdpath 'data' .. '/site/pack/packer/start/packer.nvim'
+local is_bootstrap = false
+if vim.fn.empty(vim.fn.glob(install_path)) > 0 then
+  is_bootstrap = true
+  vim.fn.system { 'git', 'clone', '--depth', '1', 'https://github.com/wbthomason/packer.nvim', install_path }
+  vim.cmd [[packadd packer.nvim]]
+end
+
+require('packer').startup(function(use)
+  -- Package manager
+  use 'wbthomason/packer.nvim'
+  use('simrat39/inlay-hints.nvim')
+  use 'simrat39/rust-tools.nvim'
+
+  use { -- LSP Configuration & Plugins
+    'neovim/nvim-lspconfig',
+    requires = {
+      -- Automatically install LSPs to stdpath for neovim
+      'williamboman/mason.nvim',
+      'williamboman/mason-lspconfig.nvim',
+
+      -- Useful status updates for LSP
+      'j-hui/fidget.nvim',
+
+      -- Additional lua configuration, makes nvim stuff amazing
+      'folke/neodev.nvim',
+    },
+  }
+
+  use { -- Autocompletion
+    'hrsh7th/nvim-cmp',
+    requires = { 'hrsh7th/cmp-nvim-lsp', 'L3MON4D3/LuaSnip', 'saadparwaiz1/cmp_luasnip' },
+  }
+
+  use { -- Highlight, edit, and navigate code
+    'nvim-treesitter/nvim-treesitter',
+    run = function()
+      pcall(require('nvim-treesitter.install').update { with_sync = true })
+    end,
+  }
+
+  use { -- Additional text objects via treesitter
+    'nvim-treesitter/nvim-treesitter-textobjects',
+    after = 'nvim-treesitter',
+  }
+
+  -- Git related plugins
+  use 'tpope/vim-fugitive'
+  use 'tpope/vim-rhubarb'
+  use 'lewis6991/gitsigns.nvim'
+
+  use 'navarasu/onedark.nvim' -- Theme inspired by Atom
+  use 'nvim-lualine/lualine.nvim' -- Fancier statusline
+  use 'lukas-reineke/indent-blankline.nvim' -- Add indentation guides even on blank lines
+  use 'numToStr/Comment.nvim' -- "gc" to comment visual regions/lines
+  use 'tpope/vim-sleuth' -- Detect tabstop and shiftwidth automatically
+
+  -- Fuzzy Finder (files, lsp, etc)
+  use { 'nvim-telescope/telescope.nvim', branch = '0.1.x', requires = { 'nvim-lua/plenary.nvim' } }
+
+  -- Fuzzy Finder Algorithm which requires local dependencies to be built. Only load if `make` is available
+  use { 'nvim-telescope/telescope-fzf-native.nvim', run = 'make', cond = vim.fn.executable 'make' == 1 }
+
+  -- Add custom plugins to packer from ~/.config/nvim/lua/custom/plugins.lua
+  local has_plugins, plugins = pcall(require, 'custom.plugins')
+  if has_plugins then
+    plugins(use)
+  end
+
+  if is_bootstrap then
+    require('packer').sync()
+  end
+end)
+
+-- When we are bootstrapping a configuration, it doesn't
+-- make sense to execute the rest of the init.lua.
+--
+-- You'll need to restart nvim, and then it will work.
+if is_bootstrap then
+  print '=================================='
+  print '    Plugins are being installed'
+  print '    Wait until Packer completes,'
+  print '       then restart nvim'
+  print '=================================='
+  return
+end
+
+-- Automatically source and re-compile packer whenever you save this init.lua
+local packer_group = vim.api.nvim_create_augroup('Packer', { clear = true })
+vim.api.nvim_create_autocmd('BufWritePost', {
+  command = 'source <afile> | silent! LspStop | silent! LspStart | PackerCompile',
+  group = packer_group,
+  pattern = vim.fn.expand '$MYVIMRC',
+})
+
+-- [[ Setting options ]]
+-- See `:help vim.o`
+
+-- Set highlight on search
+vim.o.hlsearch = false
+
+-- Make line numbers default
+vim.wo.number = true
+
+-- Enable mouse mode
+vim.o.mouse = 'a'
+
+-- Enable break indent
+vim.o.breakindent = true
+
+-- Save undo history
+vim.o.undofile = true
+
+-- Case insensitive searching UNLESS /C or capital in search
+vim.o.ignorecase = true
+vim.o.smartcase = true
+
+-- Decrease update time
+vim.o.updatetime = 250
+vim.wo.signcolumn = 'yes'
+
+-- Set colorscheme
+vim.o.termguicolors = true
+vim.cmd [[colorscheme onedark]]
+
+-- Set completeopt to have a better completion experience
+vim.o.completeopt = 'menuone,noselect'
+
+-- [[ Basic Keymaps ]]
+-- Set <space> as the leader key
+-- See `:help mapleader`
+--  NOTE: Must happen before plugins are required (otherwise wrong leader will be used)
+vim.g.mapleader = ' '
+vim.g.maplocalleader = ' '
+
+-- Keymaps for better default experience
+-- See `:help vim.keymap.set()`
+vim.keymap.set({ 'n', 'v' }, '<Space>', '<Nop>', { silent = true })
+
+-- Remap for dealing with word wrap
+vim.keymap.set('n', 'k', "v:count == 0 ? 'gk' : 'k'", { expr = true, silent = true })
+vim.keymap.set('n', 'j', "v:count == 0 ? 'gj' : 'j'", { expr = true, silent = true })
+
+-- [[ Highlight on yank ]]
+-- See `:help vim.highlight.on_yank()`
+local highlight_group = vim.api.nvim_create_augroup('YankHighlight', { clear = true })
+vim.api.nvim_create_autocmd('TextYankPost', {
+  callback = function()
+    vim.highlight.on_yank()
+  end,
+  group = highlight_group,
+  pattern = '*',
+})
+
+-- Set lualine as statusline
+-- See `:help lualine.txt`
+require('lualine').setup {
+  options = {
+    icons_enabled = false,
+    theme = 'onedark',
+    component_separators = '|',
+    section_separators = '',
+  },
+}
+
+-- Enable Comment.nvim
+require('Comment').setup()
+
+-- Enable `lukas-reineke/indent-blankline.nvim`
+-- See `:help indent_blankline.txt`
+require('indent_blankline').setup {
+  char = '┊',
+  show_trailing_blankline_indent = false,
+}
+
+-- Gitsigns
+-- See `:help gitsigns.txt`
+require('gitsigns').setup {
+  signs = {
+    add = { text = '+' },
+    change = { text = '~' },
+    delete = { text = '_' },
+    topdelete = { text = '‾' },
+    changedelete = { text = '~' },
+  },
+}
+
+-- [[ Configure Telescope ]]
+-- See `:help telescope` and `:help telescope.setup()`
+require('telescope').setup {
+  defaults = {
+    mappings = {
+      i = {
+        ['<C-u>'] = false,
+        ['<C-d>'] = false,
+      },
+    },
+  },
+}
+
+-- Enable telescope fzf native, if installed
+pcall(require('telescope').load_extension, 'fzf')
+
+-- See `:help telescope.builtin`
+vim.keymap.set('n', '<leader>?', require('telescope.builtin').oldfiles, { desc = '[?] Find recently opened files' })
+vim.keymap.set('n', '<leader><space>', require('telescope.builtin').buffers, { desc = '[ ] Find existing buffers' })
+vim.keymap.set('n', '<leader>/', function()
+  -- You can pass additional configuration to telescope to change theme, layout, etc.
+  require('telescope.builtin').current_buffer_fuzzy_find(require('telescope.themes').get_dropdown {
+    winblend = 10,
+    previewer = false,
+  })
+end, { desc = '[/] Fuzzily search in current buffer]' })
+
+vim.keymap.set('n', '<leader>sf', require('telescope.builtin').find_files, { desc = '[S]earch [F]iles' })
+vim.keymap.set('n', '<leader>sh', require('telescope.builtin').help_tags, { desc = '[S]earch [H]elp' })
+vim.keymap.set('n', '<leader>sw', require('telescope.builtin').grep_string, { desc = '[S]earch current [W]ord' })
+vim.keymap.set('n', '<leader>sg', require('telescope.builtin').live_grep, { desc = '[S]earch by [G]rep' })
+vim.keymap.set('n', '<leader>sd', require('telescope.builtin').diagnostics, { desc = '[S]earch [D]iagnostics' })
+
+-- [[ Configure Treesitter ]]
+-- See `:help nvim-treesitter`
+require('nvim-treesitter.configs').setup {
+  -- Add languages to be installed here that you want installed for treesitter
+  ensure_installed = { 'c', 'cpp', 'go', 'lua', 'python', 'rust', 'typescript', 'help', 'vim' },
+
+  highlight = { enable = true },
+  indent = { enable = true, disable = { 'python' } },
+  incremental_selection = {
+    enable = true,
+    keymaps = {
+      init_selection = '<c-space>',
+      node_incremental = '<c-space>',
+      scope_incremental = '<c-s>',
+      node_decremental = '<c-backspace>',
+    },
+  },
+  textobjects = {
+    select = {
+      enable = true,
+      lookahead = true, -- Automatically jump forward to textobj, similar to targets.vim
+      keymaps = {
+        -- You can use the capture groups defined in textobjects.scm
+        ['aa'] = '@parameter.outer',
+        ['ia'] = '@parameter.inner',
+        ['af'] = '@function.outer',
+        ['if'] = '@function.inner',
+        ['ac'] = '@class.outer',
+        ['ic'] = '@class.inner',
+      },
+    },
+    move = {
+      enable = true,
+      set_jumps = true, -- whether to set jumps in the jumplist
+      goto_next_start = {
+        [']m'] = '@function.outer',
+        [']]'] = '@class.outer',
+      },
+      goto_next_end = {
+        [']M'] = '@function.outer',
+        [']['] = '@class.outer',
+      },
+      goto_previous_start = {
+        ['[m'] = '@function.outer',
+        ['[['] = '@class.outer',
+      },
+      goto_previous_end = {
+        ['[M'] = '@function.outer',
+        ['[]'] = '@class.outer',
+      },
+    },
+    swap = {
+      enable = true,
+      swap_next = {
+        ['<leader>a'] = '@parameter.inner',
+      },
+      swap_previous = {
+        ['<leader>A'] = '@parameter.inner',
+      },
+    },
+  },
+}
+
+-- Diagnostic keymaps
+vim.keymap.set('n', '[d', vim.diagnostic.goto_prev)
+vim.keymap.set('n', ']d', vim.diagnostic.goto_next)
+vim.keymap.set('n', '<leader>e', vim.diagnostic.open_float)
+vim.keymap.set('n', '<leader>q', vim.diagnostic.setloclist)
+
+-- LSP settings.
+--  This function gets run when an LSP connects to a particular buffer.
+local on_attach = function(_, bufnr)
+  -- NOTE: Remember that lua is a real programming language, and as such it is possible
+  -- to define small helper and utility functions so you don't have to repeat yourself
+  -- many times.
+  --
+  -- In this case, we create a function that lets us more easily define mappings specific
+  -- for LSP related items. It sets the mode, buffer and description for us each time.
+  local nmap = function(keys, func, desc)
+    if desc then
+      desc = 'LSP: ' .. desc
+    end
+
+    vim.keymap.set('n', keys, func, { buffer = bufnr, desc = desc })
+  end
+
+  nmap('<leader>rn', vim.lsp.buf.rename, '[R]e[n]ame')
+  nmap('<leader>ca', vim.lsp.buf.code_action, '[C]ode [A]ction')
+
+  nmap('gd', vim.lsp.buf.definition, '[G]oto [D]efinition')
+  nmap('gr', require('telescope.builtin').lsp_references, '[G]oto [R]eferences')
+  nmap('gI', vim.lsp.buf.implementation, '[G]oto [I]mplementation')
+  nmap('<leader>D', vim.lsp.buf.type_definition, 'Type [D]efinition')
+  nmap('<leader>ds', require('telescope.builtin').lsp_document_symbols, '[D]ocument [S]ymbols')
+  nmap('<leader>ws', require('telescope.builtin').lsp_dynamic_workspace_symbols, '[W]orkspace [S]ymbols')
+
+  -- See `:help K` for why this keymap
+  nmap('K', vim.lsp.buf.hover, 'Hover Documentation')
+  nmap('<C-k>', vim.lsp.buf.signature_help, 'Signature Documentation')
+
+  -- Lesser used LSP functionality
+  nmap('gD', vim.lsp.buf.declaration, '[G]oto [D]eclaration')
+  nmap('<leader>wa', vim.lsp.buf.add_workspace_folder, '[W]orkspace [A]dd Folder')
+  nmap('<leader>wr', vim.lsp.buf.remove_workspace_folder, '[W]orkspace [R]emove Folder')
+  nmap('<leader>wl', function()
+    print(vim.inspect(vim.lsp.buf.list_workspace_folders()))
+  end, '[W]orkspace [L]ist Folders')
+
+  -- Create a command `:Format` local to the LSP buffer
+  vim.api.nvim_buf_create_user_command(bufnr, 'Format', function(_)
+    vim.lsp.buf.format()
+  end, { desc = 'Format current buffer with LSP' })
+end
+
+-- Enable the following language servers
+--  Feel free to add/remove any LSPs that you want here. They will automatically be installed.
+--
+--  Add any additional override configuration in the following tables. They will be passed to
+--  the `settings` field of the server config. You must look up that documentation yourself.
+local servers = {
+  -- clangd = {},
+  -- gopls = {},
+  -- pyright = {},
+  -- rust_analyzer = {},
+  -- tsserver = {},
+
+  sumneko_lua = {
+    Lua = {
+      workspace = { checkThirdParty = false },
+      telemetry = { enable = false },
+    },
+  },
+}
+
+-- Setup neovim lua configuration
+require('neodev').setup()
+--
+-- nvim-cmp supports additional completion capabilities, so broadcast that to servers
+local capabilities = vim.lsp.protocol.make_client_capabilities()
+capabilities = require('cmp_nvim_lsp').default_capabilities(capabilities)
+
+-- Setup mason so it can manage external tooling
+require('mason').setup()
+
+-- Ensure the servers above are installed
+local mason_lspconfig = require 'mason-lspconfig'
+
+mason_lspconfig.setup {
+  ensure_installed = vim.tbl_keys(servers),
+}
+
+mason_lspconfig.setup_handlers {
+  function(server_name)
+    require('lspconfig')[server_name].setup {
+      capabilities = capabilities,
+      on_attach = on_attach,
+      settings = servers[server_name],
+    }
+  end,
+}
+
+-- Turn on lsp status information
+require('fidget').setup()
+
+-- nvim-cmp setup
+local cmp = require 'cmp'
+local luasnip = require 'luasnip'
+
+cmp.setup {
+  snippet = {
+    expand = function(args)
+      luasnip.lsp_expand(args.body)
+    end,
+  },
+  mapping = cmp.mapping.preset.insert {
+    ['<C-d>'] = cmp.mapping.scroll_docs(-4),
+    ['<C-f>'] = cmp.mapping.scroll_docs(4),
+    ['<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' },
+  },
+}
+require("inlay-hints").setup()
+local rt = require("rust-tools")
+
+rt.setup({
+  server = {
+    on_attach = function(_, bufnr)
+      -- Hover actions
+      vim.keymap.set("n", "<C-space>", rt.hover_actions.hover_actions, { buffer = bufnr })
+      -- Code action groups
+      vim.keymap.set("n", "<Leader>a", rt.code_action_group.code_action_group, { buffer = bufnr })
+    end,
+  },
+})
+local ih = require("inlay-hints")
+
+require("rust-tools").setup({
+  tools = {
+    on_initialized = function()
+      ih.set_all()
+    end,
+    inlay_hints = {
+      auto = false,
+    },
+  },
+  server = {
+    on_attach = function(c, b)
+      ih.on_attach(c, b)
+    end,
+  },
+})
+-- The line beneath this is called `modeline`. See `:help modeline`
+-- vim: ts=2 sts=2 sw=2 et
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