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path: root/.config/nvim/init.lua
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#!/usr/bin/env lua

function path_join(...)
  return table.concat(vim.iter({ ... }):flatten():totable(), '/')
end

-- Source the VIMRC before doing any neovim lua stuffs
local vimrcpath = path_join { vim.api.nvim_eval [[stdpath('config')]], 'vimrc' }

vim.cmd {cmd='source', args={vimrcpath}}

-- MiniPick configuration
require('mini.pick').setup({
  options = {
    content_from_bottom = true,
    use_cache = true,
  }
})
require('mini.git').setup()


--- Change `require'lspconfig'[…]` to `vim.lsp.config(…)`.
--  - Some field names changed, see |lspconfig-vs-vim.lsp.config|.
--  - See |lsp-config| for details.

vim.lsp.config('*', { root_markers = { '.git' } })
vim.lsp.config('clangd', { root_markers = { '.git' } })

vim.lsp.config('clangd', {
  cmd = {
    'clangd',
    '--clang-tidy',
    '--background-index',
    '--offset-encoding=utf-8',
  },
  root_markers = { '.clang-format', 'compile_commands.json' },
  filetypes = {'c', 'cc', 'cpp', 'h', 'hpp', 'cxx'}
})
vim.lsp.enable('clangd')

vim.api.nvim_create_autocmd('LspAttach', {
  group = vim.api.nvim_create_augroup('UserLspConfig', {}),
  callback = function(ev)
    -- enable omnifunc
    vim.bo[ev.buf].omnifunc = 'v:lua.vim.lsp.omnifunc'

    -- buffer-local mappings
    local opts = { buffer = ev.buf, noremap = true, silent = true }
    vim.keymap.set('i', '<C-Space>', vim.lsp.omnifunc, opts)
    vim.keymap.set('n', 'K',  vim.lsp.buf.hover, opts)
    vim.keymap.set('n', 'gD', vim.lsp.buf.declaration, opts)
    vim.keymap.set('n', 'gd', vim.lsp.buf.definition, opts)
    vim.keymap.set('n', 'gr', vim.lsp.buf.references, opts)
  end,
})

vim.keymap.set('t', '<A-h>', "<C-\\><C-N><C-w>h", nil)
vim.keymap.set('t', '<A-j>', "<C-\\><C-N><C-w>j", nil)
vim.keymap.set('t', '<A-k>', "<C-\\><C-N><C-w>k", nil)
vim.keymap.set('t', '<A-l>', "<C-\\><C-N><C-w>l", nil)

vim.keymap.set('n', '<leader>ff', MiniPick.builtin.files, {})
vim.keymap.set('n', '<leader>gg', MiniPick.builtin.grep_live, {})
vim.keymap.set('n', '<leader>gf', function () MiniPick.builtin.files({ tool = 'git' }) end, {})
vim.keymap.set('n', '<leader>b', MiniPick.builtin.buffers, {})

vim.keymap.set('n', '<leader>?', "<cmd>!hlint %<cr>", {})