nix-config/programs/neovim/init.lua
2021-07-11 22:50:49 -07:00

339 lines
12 KiB
Lua

local execute = vim.api.nvim_command
local fn = vim.fn
local install_path = fn.stdpath('data')..'/site/pack/packer/start/packer.nvim'
local function load_plugins()
local use = require('packer').use
require('packer').startup(function()
use 'wbthomason/packer.nvim' -- Package manager
use 'nvim-treesitter/nvim-treesitter'
use 'folke/which-key.nvim'
use 'tpope/vim-commentary' -- "gc" to comment visual regions/lines
use {'nvim-telescope/telescope.nvim', requires = {{'nvim-lua/popup.nvim'}, {'nvim-lua/plenary.nvim'}} }
use 'folke/tokyonight.nvim' -- Theme
use 'windwp/nvim-autopairs' -- Autopairs
use 'kyazdani42/nvim-tree.lua' -- File explorer
use { 'glepnir/galaxyline.nvim', config = function() require'salargalaxyline' end, requires = 'kyazdani42/nvim-web-devicons' }
use 'lukas-reineke/indent-blankline.nvim'
use { 'lewis6991/gitsigns.nvim', requires = 'nvim-lua/plenary.nvim' }
use { 'TimUntersberger/neogit', requires = 'nvim-lua/plenary.nvim' }
use 'neovim/nvim-lspconfig' -- Collection of configurations for built-in LSP client
use { 'hrsh7th/nvim-compe', requires = 'L3MON4D3/LuaSnip' } -- Autocompletion plugin
use 'kevinhwang91/nvim-bqf'
use 'mfussenegger/nvim-dap'
use 'sheerun/vim-polyglot'
use 'scalameta/nvim-metals'
end)
end
_G.load_config = function()
require('nvim-autopairs').setup()
require("which-key").setup()
require('gitsigns').setup()
require("salargalaxyline")
-- Treesitter
require("nvim-treesitter.configs").setup({
playground = { enable = true },
query_linter = {
enable = true,
use_virtual_text = true,
lint_events = { "BufWrite", "CursorHold" },
},
ensure_installed = "maintained",
highlight = { enable = true },
})
-- neogit
require('neogit').setup({
integrations = {
diffview = false
}
})
--Incremental live completion
vim.o.inccommand = "nosplit"
--Set highlight on search
vim.o.hlsearch = false
vim.o.incsearch = true
--Make line numbers default
vim.wo.number = true
--Do not save when switching buffers
vim.o.hidden = true
--Enable mouse mode
vim.o.mouse = "a"
-- clipboard
vim.o.clipboard = 'unnamedplus'
--Enable break indent
vim.o.breakindent = true
--Save undo history
vim.cmd[[set undofile]]
--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 (order is important here)
vim.g.tokyonight_style = "night"
vim.g.tokyonight_italic_functions = true
vim.o.termguicolors = true
vim.cmd[[colorscheme tokyonight]]
--Remap space as leader key
vim.api.nvim_set_keymap('', '<Space>', '<Nop>', { noremap = true, silent=true})
vim.g.mapleader = " "
vim.g.maplocalleader = " "
--Remap for dealing with word wrap
vim.api.nvim_set_keymap('n', 'k', "v:count == 0 ? 'gk' : 'k'", { noremap=true, expr = true, silent = true})
vim.api.nvim_set_keymap('n', 'j', "v:count == 0 ? 'gj' : 'j'", {noremap= true, expr = true, silent = true})
--Remap escape to leave terminal mode
vim.api.nvim_set_keymap('t', '<Esc>', [[<c-\><c-n>]], {noremap = true})
--Add map to enter paste mode
vim.o.pastetoggle="<F3>"
--Map blankline
vim.g.indent_blankline_char = ""
vim.g.indent_blankline_filetype_exclude = { 'help', 'packer' }
vim.g.indent_blankline_buftype_exclude = { 'terminal', 'nofile'}
vim.g.indent_blankline_char_highlight = 'LineNr'
-- Toggle to disable mouse mode and indentlines for easier paste
ToggleMouse = function()
if vim.o.mouse == 'a' then
vim.cmd[[IndentBlanklineDisable]]
vim.wo.signcolumn='no'
vim.o.mouse = 'v'
vim.wo.number = false
print("Mouse disabled")
else
vim.cmd[[IndentBlanklineEnable]]
vim.wo.signcolumn='yes'
vim.o.mouse = 'a'
vim.wo.number = true
print("Mouse enabled")
end
end
vim.api.nvim_set_keymap('n', '<F10>', '<cmd>lua ToggleMouse()<cr>', { noremap = true })
-- Telescope
require('telescope').setup {
defaults = {
mappings = {
i = {
["<C-u>"] = false,
["<C-d>"] = false,
},
},
generic_sorter = require'telescope.sorters'.get_fzy_sorter,
file_sorter = require'telescope.sorters'.get_fzy_sorter,
}
}
--Add leader shortcuts
vim.api.nvim_set_keymap('n', '<leader>f', [[<cmd>lua require('telescope.builtin').find_files()<cr>]], { noremap = true, silent = true})
vim.api.nvim_set_keymap('n', '<leader><space>', [[<cmd>lua require('telescope.builtin').buffers()<cr>]], { noremap = true, silent = true})
vim.api.nvim_set_keymap('n', '<leader>l', [[<cmd>lua require('telescope.builtin').current_buffer_fuzzy_find()<cr>]], { noremap = true, silent = true})
vim.api.nvim_set_keymap('n', '<leader>t', [[<cmd>lua require('telescope.builtin').tags()<cr>]], { noremap = true, silent = true})
vim.api.nvim_set_keymap('n', '<leader>?', [[<cmd>lua require('telescope.builtin').oldfiles()<cr>]], { noremap = true, silent = true})
vim.api.nvim_set_keymap('n', '<leader>sd', [[<cmd>lua require('telescope.builtin').grep_string()<cr>]], { noremap = true, silent = true})
vim.api.nvim_set_keymap('n', '<leader>sp', [[<cmd>lua require('telescope.builtin').live_grep()<cr>]], { noremap = true, silent = true})
vim.api.nvim_set_keymap('n', '<leader>o', [[<cmd>lua require('telescope.builtin').tags{ only_current_buffer = true }<cr>]], { noremap = true, silent = true})
vim.api.nvim_set_keymap('n', '<leader>gc', [[<cmd>lua require('telescope.builtin').git_commits()<cr>]], { noremap = true, silent = true})
vim.api.nvim_set_keymap('n', '<leader>gb', [[<cmd>lua require('telescope.builtin').git_branches()<cr>]], { noremap = true, silent = true})
vim.api.nvim_set_keymap('n', '<leader>gs', [[<cmd>lua require('telescope.builtin').git_status()<cr>]], { noremap = true, silent = true})
vim.api.nvim_set_keymap('n', '<leader>gp', [[<cmd>lua require('telescope.builtin').git_bcommits()<cr>]], { noremap = true, silent = true})
vim.api.nvim_set_keymap('n', '<leader>m', [[<cmd>lua require('nvim-tree').toggle()<cr>]], { noremap = true, silent = true})
vim.api.nvim_set_keymap('n', '<leader>ng', [[<cmd>lua require('neogit').open({ kind = "split" })<cr>]], { noremap = true, silent = true})
vim.api.nvim_set_keymap('n', '<leader>nu', ':PackerUpdate<CR>', { noremap = true, silent = true })
-- Change preview window location
vim.g.splitbelow = true
-- Highlight on yank
vim.api.nvim_exec([[
augroup YankHighlight
autocmd!
autocmd TextYankPost * silent! lua vim.highlight.on_yank()
augroup end
]], false)
-- Y yank until the end of line
vim.api.nvim_set_keymap('n', 'Y', 'y$', { noremap = true})
--
-- LSP settings
local nvim_lsp = require('lspconfig')
local on_attach = function(_client, bufnr)
vim.api.nvim_buf_set_option(bufnr, 'omnifunc', 'v:lua.vim.lsp.omnifunc')
local opts = { noremap=true, silent=true }
vim.api.nvim_buf_set_keymap(bufnr, 'n', 'gD', '<Cmd>lua vim.lsp.buf.declaration()<CR>', opts)
vim.api.nvim_buf_set_keymap(bufnr, 'n', 'gd', '<Cmd>lua vim.lsp.buf.definition()<CR>', opts)
vim.api.nvim_buf_set_keymap(bufnr, 'n', 'K', '<Cmd>lua vim.lsp.buf.hover()<CR>', opts)
vim.api.nvim_buf_set_keymap(bufnr, 'n', 'gm', '<cmd>lua vim.lsp.buf.implementation()<CR>', opts)
vim.api.nvim_buf_set_keymap(bufnr, 'n', '<C-k>', '<cmd>lua vim.lsp.buf.signature_help()<CR>', opts)
vim.api.nvim_buf_set_keymap(bufnr, 'n', '<leader>wa', '<cmd>lua vim.lsp.buf.add_workspace_folder()<CR>', opts)
vim.api.nvim_buf_set_keymap(bufnr, 'n', '<leader>wr', '<cmd>lua vim.lsp.buf.remove_workspace_folder()<CR>', opts)
vim.api.nvim_buf_set_keymap(bufnr, 'n', '<leader>wl', '<cmd>lua print(vim.inspect(vim.lsp.buf.list_workspace_folders()))<CR>', opts)
vim.api.nvim_buf_set_keymap(bufnr, 'n', '<leader>D', '<cmd>lua vim.lsp.buf.type_definition()<CR>', opts)
vim.api.nvim_buf_set_keymap(bufnr, 'n', '<leader>rn', '<cmd>lua vim.lsp.buf.rename()<CR>', opts)
vim.api.nvim_buf_set_keymap(bufnr, 'n', 'gr', '<cmd>lua vim.lsp.buf.references()<CR>', opts)
vim.api.nvim_buf_set_keymap(bufnr, 'n', '<leader>ca', '<cmd>lua vim.lsp.buf.code_action()<CR>', opts)
vim.api.nvim_buf_set_keymap(bufnr, 'n', '<leader>e', '<cmd>lua vim.lsp.diagnostic.show_line_diagnostics()<CR>', opts)
vim.api.nvim_buf_set_keymap(bufnr, 'n', '[d', '<cmd>lua vim.lsp.diagnostic.goto_prev()<CR>', opts)
vim.api.nvim_buf_set_keymap(bufnr, 'n', ']d', '<cmd>lua vim.lsp.diagnostic.goto_next()<CR>', opts)
vim.api.nvim_buf_set_keymap(bufnr, 'n', '<leader>q', '<cmd>lua vim.lsp.diagnostic.set_loclist()<CR>', opts)
end
-- Enable the following language servers
local servers = { 'jdtls', 'pyright', 'rnix','sourcekit', 'sqlls' }
for _, lsp in ipairs(servers) do
nvim_lsp[lsp].setup { on_attach = on_attach }
end
-- lua language server
local sumneko_binary = vim.fn.getenv("HOME").."/.nix-profile/bin/lua-language-server"
local runtime_path = vim.split(package.path, ';')
table.insert(runtime_path, 'lua/?.lua')
table.insert(runtime_path, 'lua/?/init.lua')
require('lspconfig').sumneko_lua.setup {
cmd = { sumneko_binary },
on_attach = on_attach,
capabilities = capabilities,
settings = {
Lua = {
runtime = {
-- Tell the language server which version of Lua you're using (most likely LuaJIT in the case of Neovim)
version = 'LuaJIT',
-- Setup your lua path
path = runtime_path,
},
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),
},
-- Do not send telemetry data containing a randomized but unique identifier
telemetry = {
enable = false,
},
},
},
}
-- metals
vim.opt_global.shortmess:remove("F"):append("c")
metals_config = require("metals").bare_config
metals_config.init_options.statusBarProvider = "on"
vim.cmd [[augroup lsp]]
vim.cmd [[au!]]
vim.cmd [[au FileType scala,sbt lua require("metals").initialize_or_attach(metals_config)]]
vim.cmd [[augroup end]]
-- Map :Format to vim.lsp.buf.formatting()
vim.cmd([[ command! Format execute 'lua vim.lsp.buf.formatting()' ]])
-- Set completeopt to have a better completion experience
vim.o.completeopt="menuone,noinsert"
-- Compe setup
require'compe'.setup {
enabled = true;
autocomplete = true;
debug = false;
min_length = 1;
preselect = 'enable';
throttle_time = 80;
source_timeout = 200;
incomplete_delay = 400;
max_abbr_width = 100;
max_kind_width = 100;
max_menu_width = 100;
documentation = true;
source = {
path = true;
nvim_lsp = {
priority = 1000,
filetypes = { "scala", "sbt", "java" },
},
nvim_lua = true,
buffer = true,
luasnip = true,
};
}
local t = function(str)
return vim.api.nvim_replace_termcodes(str, true, true, true)
end
local check_back_space = function()
local col = vim.fn.col('.') - 1
if col == 0 or vim.fn.getline('.'):sub(col, col):match('%s') then
return true
else
return false
end
end
-- Use (s-)tab to:
--- move to prev/next item in completion menuone
--- jump to prev/next snippet's placeholder
_G.tab_complete = function()
if vim.fn.pumvisible() == 1 then
return t "<C-n>"
elseif check_back_space() then
return t "<Tab>"
else
return vim.fn['compe#complete']()
end
end
_G.s_tab_complete = function()
if vim.fn.pumvisible() == 1 then
return t "<C-p>"
else
return t "<S-Tab>"
end
end
vim.api.nvim_set_keymap("i", "<Tab>", "v:lua.tab_complete()", {expr = true})
vim.api.nvim_set_keymap("s", "<Tab>", "v:lua.tab_complete()", {expr = true})
vim.api.nvim_set_keymap("i", "<S-Tab>", "v:lua.s_tab_complete()", {expr = true})
vim.api.nvim_set_keymap("s", "<S-Tab>", "v:lua.s_tab_complete()", {expr = true})
end
if fn.isdirectory(install_path) == 0 then
fn.system({'git', 'clone', 'https://github.com/wbthomason/packer.nvim', install_path})
load_plugins()
require('packer').sync()
vim.cmd 'autocmd User PackerComplete ++once lua load_config()'
else
load_plugins()
_G.load_config()
end