From 41e8b938f5e81a50485da64f4cbe3278029eb956 Mon Sep 17 00:00:00 2001
From: Micke Nordin <hej@mic.ke>
Date: Fri, 7 Jan 2022 14:44:31 +0100
Subject: [PATCH] My nvim conf

---
 dotfiles/.config/nvim/init.vim | 200 ++++++++++++++++++++++++++++++++-
 upgrade-nvim.sh                |   4 +
 2 files changed, 203 insertions(+), 1 deletion(-)
 create mode 100755 upgrade-nvim.sh

diff --git a/dotfiles/.config/nvim/init.vim b/dotfiles/.config/nvim/init.vim
index afb3f07..93b3731 100644
--- a/dotfiles/.config/nvim/init.vim
+++ b/dotfiles/.config/nvim/init.vim
@@ -1 +1,199 @@
-set tabstop=4 shiftwidth=4 expandtab
+call plug#begin(stdpath('data') . '/plugged')
+Plug 'neovim/nvim-lspconfig'
+Plug 'hrsh7th/cmp-nvim-lsp'
+Plug 'hrsh7th/cmp-buffer'
+Plug 'hrsh7th/cmp-path'
+Plug 'hrsh7th/cmp-cmdline'
+Plug 'hrsh7th/nvim-cmp'
+Plug 'hrsh7th/cmp-vsnip'
+Plug 'hrsh7th/vim-vsnip'
+Plug 'nvim-lua/completion-nvim'
+Plug 'nvim-lua/diagnostic-nvim'
+Plug 'nvim-lua/plenary.nvim' " Dependecy for telescope
+Plug 'nvim-lua/telescope.nvim'
+Plug 'nvim-treesitter/nvim-treesitter', {'do': ':TSUpdate'} " Dependecy for telescope
+Plug 'preservim/nerdtree', { 'on':  'NERDTreeToggle' }
+Plug 'WhoIsSethDaniel/toggle-lsp-diagnostics.nvim'
+call plug#end()
+
+" set leaderkey
+let mapleader = '\'
+
+" set complete opts
+set completeopt=menu,menuone,noselect
+
+" Go to last edited line
+if has("autocmd")
+  au BufReadPost * if line("'\"") > 1 && line("'\"") <= line("$") | exe "normal! g'\"" | endif
+endif
+
+" Telescope settings
+nnoremap <leader>ff <cmd>Telescope find_files<cr>
+nnoremap <leader>fg <cmd>Telescope live_grep<cr>
+nnoremap <leader>fb <cmd>Telescope buffers<cr>
+nnoremap <leader>fh <cmd>Telescope help_tags<cr>
+
+" NERDTree settings
+"   Start NERDTree and put the cursor back in the other window.
+autocmd VimEnter * NERDTree | wincmd p
+"   If another buffer tries to replace NERDTree, put it in the other window, and bring back NERDTree.
+autocmd BufEnter * if bufname('#') =~ 'NERD_tree_\d\+' && bufname('%') !~ 'NERD_tree_\d\+' && winnr('$') > 1 |
+    \ let buf=bufnr() | buffer# | execute "normal! \<C-W>w" | execute 'buffer'.buf | endif
+"   Exit Vim if NERDTree is the only window remaining in the only tab.
+autocmd BufEnter * if tabpagenr('$') == 1 && winnr('$') == 1 && exists('b:NERDTree') && b:NERDTree.isTabTree() | quit | endif
+
+" lsp diagnostics
+lua <<EOF
+require'toggle_lsp_diagnostics'.init({ start_on = true })
+EOF
+nmap <leader>td  <Plug>(toggle-lsp-diag)
+
+" Lua config for treesitter
+lua <<EOF
+require'nvim-treesitter.configs'.setup {
+  -- One of "all", "maintained" (parsers with maintainers), or a list of languages
+  ensure_installed = "maintained",
+
+  -- Install languages synchronously (only applied to `ensure_installed`)
+  sync_install = false,
+
+  -- List of parsers to ignore installing
+  ignore_install = { "javascript" },
+
+  highlight = {
+    -- `false` will disable the whole extension
+    enable = true,
+
+    -- list of language that will be disabled
+    disable = { "c", "rust" },
+
+    -- Setting this to true will run `:h syntax` and tree-sitter at the same time.
+    -- Set this to `true` if you depend on 'syntax' being enabled (like for indentation).
+    -- Using this option may slow down your editor, and you may see some duplicate highlights.
+    -- Instead of true it can also be a list of languages
+    additional_vim_regex_highlighting = false,
+  },
+}
+EOF
+
+" Lua config for lsp
+lua << EOF
+local nvim_lsp = require('lspconfig')
+
+-- Use an on_attach function to only map the following keys
+-- after the language server attaches to the current buffer
+local on_attach = function(client, bufnr)
+  local function buf_set_keymap(...) vim.api.nvim_buf_set_keymap(bufnr, ...) end
+  local function buf_set_option(...) vim.api.nvim_buf_set_option(bufnr, ...) end
+
+  -- Enable completion triggered by <c-x><c-o>
+  buf_set_option('omnifunc', 'v:lua.vim.lsp.omnifunc')
+
+  -- Mappings.
+  local opts = { noremap=true, silent=true }
+
+  -- See `:help vim.lsp.*` for documentation on any of the below functions
+  buf_set_keymap('n', 'gD', '<cmd>lua vim.lsp.buf.declaration()<CR>', opts)
+  buf_set_keymap('n', 'gd', '<cmd>lua vim.lsp.buf.definition()<CR>', opts)
+  buf_set_keymap('n', 'K', '<cmd>lua vim.lsp.buf.hover()<CR>', opts)
+  buf_set_keymap('n', 'gi', '<cmd>lua vim.lsp.buf.implementation()<CR>', opts)
+  buf_set_keymap('n', '<C-k>', '<cmd>lua vim.lsp.buf.signature_help()<CR>', opts)
+  buf_set_keymap('n', '<leader>wa', '<cmd>lua vim.lsp.buf.add_workspace_folder()<CR>', opts)
+  buf_set_keymap('n', '<leader>wr', '<cmd>lua vim.lsp.buf.remove_workspace_folder()<CR>', opts)
+  buf_set_keymap('n', '<leader>wl', '<cmd>lua print(vim.inspect(vim.lsp.buf.list_workspace_folders()))<CR>', opts)
+  buf_set_keymap('n', '<leader>D', '<cmd>lua vim.lsp.buf.type_definition()<CR>', opts)
+  buf_set_keymap('n', '<leader>r', '<cmd>lua vim.lsp.buf.rename()<CR>', opts)
+  buf_set_keymap('n', '<leader>ca', '<cmd>lua vim.lsp.buf.code_action()<CR>', opts)
+  buf_set_keymap('n', 'gr', '<cmd>lua vim.lsp.buf.references()<CR>', opts)
+  buf_set_keymap('n', '<leader>e', '<cmd>lua vim.diagnostic.open_float()<CR>', opts)
+  buf_set_keymap('n', '[d', '<cmd>lua vim.diagnostic.goto_prev()<CR>', opts)
+  buf_set_keymap('n', ']d', '<cmd>lua vim.diagnostic.goto_next()<CR>', opts)
+  buf_set_keymap('n', '<leader>q', '<cmd>lua vim.diagnostic.setloclist()<CR>', opts)
+  buf_set_keymap('n', '<leader>f', '<cmd>lua vim.lsp.buf.formatting()<CR>', opts)
+
+  vim.diagnostic.config({
+    virtual_text = true,
+    signs = true,
+    underline = true,
+    update_in_insert = true,
+    severity_sort = false,
+  })
+  
+  local signs = { Error = " ", Warn = " ", Hint = " ", Info = " " }
+  for type, icon in pairs(signs) do
+    local hl = "DiagnosticSign" .. type
+    vim.fn.sign_define(hl, { text = icon, texthl = hl, numhl = hl })
+  end
+
+end
+
+-- set up completion
+local cmp = require'cmp'
+
+  cmp.setup({
+    snippet = {
+      -- REQUIRED - you must specify a snippet engine
+      expand = function(args)
+        vim.fn["vsnip#anonymous"](args.body) -- For `vsnip` users.
+        -- require('luasnip').lsp_expand(args.body) -- For `luasnip` users.
+        -- require('snippy').expand_snippet(args.body) -- For `snippy` users.
+        -- vim.fn["UltiSnips#Anon"](args.body) -- For `ultisnips` users.
+      end,
+    },
+    mapping = {
+      ['<C-b>'] = cmp.mapping(cmp.mapping.scroll_docs(-4), { 'i', 'c' }),
+      ['<C-f>'] = cmp.mapping(cmp.mapping.scroll_docs(4), { 'i', 'c' }),
+      ['<C-Space>'] = cmp.mapping(cmp.mapping.complete(), { 'i', 'c' }),
+      ['<C-y>'] = cmp.config.disable, -- Specify `cmp.config.disable` if you want to remove the default `<C-y>` mapping.
+      ['<C-e>'] = cmp.mapping({
+        i = cmp.mapping.abort(),
+        c = cmp.mapping.close(),
+      }),
+      ['<CR>'] = cmp.mapping.confirm({ select = true }), -- Accept currently selected item. Set `select` to `false` to only confirm explicitly selected items.
+    },
+    sources = cmp.config.sources({
+      { name = 'nvim_lsp' },
+      { name = 'vsnip' }, -- For vsnip users.
+      -- { name = 'luasnip' }, -- For luasnip users.
+      -- { name = 'ultisnips' }, -- For ultisnips users.
+      -- { name = 'snippy' }, -- For snippy users.
+    }, {
+      { name = 'buffer' },
+    })
+  })
+
+  -- Use buffer source for `/` (if you enabled `native_menu`, this won't work anymore).
+  cmp.setup.cmdline('/', {
+    sources = {
+      { name = 'buffer' }
+    }
+  })
+
+  -- Use cmdline & path source for ':' (if you enabled `native_menu`, this won't work anymore).
+  cmp.setup.cmdline(':', {
+    sources = cmp.config.sources({
+      { name = 'path' }
+    }, {
+      { name = 'cmdline' }
+    })
+  })
+
+-- Setup lspconfig.
+local capabilities = require('cmp_nvim_lsp').update_capabilities(vim.lsp.protocol.make_client_capabilities())
+
+-- Use a loop to conveniently call 'setup' on multiple servers and
+-- map buffer local keybindings when the language server attaches
+local servers = { 'pyright', 'bashls'}
+for _, lsp in ipairs(servers) do
+  nvim_lsp[lsp].setup {
+    capabilities = capabilities,
+    on_attach = on_attach,
+    flags = {
+      debounce_text_changes = 150,
+    }
+  }
+end
+
+
+
+EOF
diff --git a/upgrade-nvim.sh b/upgrade-nvim.sh
new file mode 100755
index 0000000..1144e92
--- /dev/null
+++ b/upgrade-nvim.sh
@@ -0,0 +1,4 @@
+#!/bin/bash
+/usr/bin/curl -s -LO https://github.com/neovim/neovim/releases/latest/download/nvim.appimage
+chmod +x nvim.appimage
+mv nvim.appimage /usr/local/bin/nvim