my neovim conf ported to lua

.gitignore

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+plugin/packer_compiled.lua

init.lua

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+require 'plugins'
+
+vim.cmd('colorscheme space-vim-dark')
+
+require 'lsp'
+require 'settings'
+require 'keys'

lua/keys.lua

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+local key = vim.api.nvim_set_keymap
+local u = require('utils')
+
+vim.cmd([[autocmd bufenter * if (winnr("$") == 1 && exists("b:NERDTree") && b:NERDTree.isTabTree()) | q | endif]])
+vim.cmd([[autocmd BufNewFile,BufRead *.md setlocal filetype=notes]])
+
+key('n', ';', ':Files<CR>', {})
+key('', '<C-n>', ':NERDTreeToggle<CR>', {})
+
+-- LSP Key Config
+local silent_opts = {silent = true}
+key('n', '<c-]>', ':lua vim.lsp.buf.definition()<CR>',       silent_opts)
+key('n', 'K',     ':lua vim.lsp.buf.hover()<CR>',            silent_opts)
+key('n', 'gD',    ':lua vim.lsp.buf.implementation()<CR>',   silent_opts)
+key('n', '<c-k>', ':lua vim.lsp.buf.signature_help()<CR>',   silent_opts)
+key('n', '1gD',   ':lua vim.lsp.buf.type_definition()<CR>',  silent_opts)
+key('n', 'gr',    ':lua vim.lsp.buf.references()<CR>',       silent_opts)
+key('n', 'g0',    ':lua vim.lsp.buf.document_symbol()<CR>',  silent_opts)
+key('n', 'gW',    ':lua vim.lsp.buf.workspace_symbol()<CR>', silent_opts)
+key('n', 'gd',    ':lua vim.lsp.buf.definition()<CR>',       silent_opts)
+key('n', 'ga',    ':lua vim.lsp.buf.code_action()<CR>',      silent_opts)
+key('n', 'ff',    ':lua vim.lsp.buf.formatting()<CR>',       silent_opts)

lua/lsp.lua

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+local nvim_lsp = require'lspconfig'
+
+local function setup_servers()
+  require'lspinstall'.setup()
+  local servers = require'lspinstall'.installed_servers()
+  for _, lsp in pairs(servers) do
+    nvim_lsp[lsp].setup{}
+  end
+end
+
+local opts = {
+    tools = {
+        autoSetHints = true,
+        hover_with_actions = true,
+        runnables = {
+            use_telescope = true
+        },
+        inlay_hints = {
+            show_parameter_hints = false,
+            parameter_hints_prefix = "",
+            other_hints_prefix = "",
+        },
+    },
+
+    -- all the opts to send to nvim-lspconfig
+    -- these override the defaults set by rust-tools.nvim
+    -- see https://github.com/neovim/nvim-lspconfig/blob/master/CONFIG.md#rust_analyzer
+    server = {}, -- rust-analyer options
+}
+
+require('rust-tools').setup(opts)
+
+setup_servers()
+
+require'lspinstall'.post_install_hook = function ()
+  setup_servers()
+  vim.cmd("bufdo e")
+end
+
+local cmp = require'cmp'
+cmp.setup({
+  snippet = {
+    expand = function(args)
+        vim.fn["vsnip#anonymous"](args.body)
+    end,
+  },
+  mapping = {
+    ['<C-p>'] = cmp.mapping.select_prev_item(),
+    ['<C-n>'] = cmp.mapping.select_next_item(),
+    ['<S-Tab>'] = cmp.mapping.select_prev_item(),
+    ['<Tab>'] = cmp.mapping.select_next_item(),
+    ['<C-d>'] = cmp.mapping.scroll_docs(-4),
+    ['<C-f>'] = cmp.mapping.scroll_docs(4),
+    ['<C-Space>'] = cmp.mapping.complete(),
+    ['<C-e>'] = cmp.mapping.close(),
+    ['<CR>'] = cmp.mapping.confirm({
+      behavior = cmp.ConfirmBehavior.Insert,
+      select = true,
+    })
+  },
+
+  -- Installed sources
+  sources = {
+    { name = 'nvim_lsp' },
+    { name = 'vsnip' },
+    { name = 'path' },
+    { name = 'buffer' },
+  },
+})

lua/plugins.lua

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+vim.cmd([[autocmd BufWritePost plugins.lua source <afile> | PackerCompile]])
+
+return require('packer').startup({function()
+  -- Packer can manage itself
+  use 'wbthomason/packer.nvim'
+
+  use 'vim-airline/vim-airline'
+  use 'scrooloose/nerdtree'
+  use 'Xuyuanp/nerdtree-git-plugin'
+  use 'liuchengxu/space-vim-dark'
+  
+  use 'tpope/vim-fugitive'
+  use 'tpope/vim-commentary'
+  use { 'tpope/vim-dispatch', opt = true, cmd = { 'Dispatch', 'Dispatch!' } }
+  use 'junegunn/fzf.vim'
+  use 'sheerun/vim-polyglot'
+  use 'honza/vim-snippets'
+  use 'szw/vim-tags'
+  use 'rodjek/vim-puppet'
+  use 'tpope/vim-rails'
+  use 'tpope/vim-haml'
+  use 'vim-scripts/bash-support.vim'
+  use "akinsho/nvim-toggleterm.lua"
+  use 'xolox/vim-notes'
+  use 'xolox/vim-misc'
+  use 'jremmen/vim-ripgrep'
+  use 'airblade/vim-gitgutter'
+  -- LSP Setup
+  use 'neovim/nvim-lspconfig'
+  use 'kabouzeid/nvim-lspinstall'
+  use 'hrsh7th/nvim-cmp'
+  use 'hrsh7th/cmp-nvim-lsp'
+  use 'hrsh7th/cmp-vsnip'
+  use 'hrsh7th/cmp-path'
+  use 'hrsh7th/cmp-buffer'
+  use 'simrat39/rust-tools.nvim'
+  use 'nvim-lua/popup.nvim'
+  use 'nvim-lua/plenary.nvim'
+  use 'nvim-telescope/telescope.nvim'
+end,
+config = {
+  display = {
+    open_fn = require('packer.util').float,
+  }
+}})

lua/settings.lua

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+local o = vim.o
+local wo = vim.wo
+local bo = vim.bo
+
+vim.cmd('syntax on')
+vim.cmd('set number')
+o.startofline = true
+wo.cursorline = true
+
+o.updatetime = 300
+wo.signcolumn='yes'
+o.showcmd = true
+
+
+o.shell = 'bash'
+o.mouse = 'a'
+
+o.smarttab = true
+bo.tabstop = 2
+bo.shiftwidth = 2
+bo.expandtab = true
+
+wo.relativenumber = true
+
+vim.cmd('set completeopt=menuone,noinsert,noselect')
+vim.cmd('set shortmess+=c')

lua/utils.lua

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+local M = {}
+
+function M.create_augroup(autocmds, name)
+    vim.cmd('augroup ' .. name)
+    vim.cmd('autocmd!')
+    for _, autocmd in ipairs(autocmds) do
+        vim.cmd('autocmd ' .. table.concat(autocmd, ' '))
+    end
+    vim.cmd('augroup END')
+end
+
+function M.create_function(body, name)
+    vim.cmd('function! ' .. name)
+    for _, line in ipairs(body) do
+        vim.cmd(line)
+    end
+    vim.cmd('endfunction')
+end
+
+function _G.dump(...)
+    local objects = vim.tbl_map(vim.inspect, {...})
+    print(unpack(objects))
+end
+
+return M