local path = vim.fs.find({ "Cargo.toml" }, { type = "file" })
local root = vim.fs.dirname(path[1])

vim.lsp.start({
  name     = "rust-analyzer",
  cmd      = { "rust-analyzer" },
  root_dir = root,
  settings = {
    ["rust-analyzer"] = {
      procMacro = {
        enable = true
      },
      checkOnSave = {
        command = "clippy"
      },
    },
  },
})

vim.cmd.compiler('cargo')
vim.bo.makeprg = 'cargo build --all'

vim.keymap.set('n', 'cbb', ":Dispatch! cargo build<CR>"     , { noremap=true, buffer=0 })
vim.keymap.set('n', 'cbc', ":Dispatch! cargo clean<CR>"     , { noremap=true, buffer=0 })
vim.keymap.set('n', 'cbd', ":Dispatch! cargo doc<CR>"       , { noremap=true, buffer=0 })
vim.keymap.set('n', 'cdD', ":Dispatch! cargo doc --open<CR>", { noremap=true, buffer=0 })
vim.keymap.set('n', 'cbu', ":Dispatch! cargo update<CR>"    , { noremap=true, buffer=0 })

vim.api.nvim_create_autocmd({ "BufWritePre" }, {
  buffer   = 0,
  callback = function()
    vim.lsp.buf.format({async=true})
  end,
})

vim.api.nvim_create_autocmd({ "BufReadPre", "BufWinEnter" }, {
  pattern  = { "*/git/checkouts/*", "*/toolchains/*", "*cargo/registry/*" },
  callback = function()
    vim.bo.buflisted = false
  end,
})