local M = { root = nil, sources = {} }

local uv = vim.uv or vim.loop

-- Neovim inserts its runtimepath searcher ahead of the package.path one, so an
-- installed copy of arti-pack resolves before the working tree. Claim the first
-- slot for the repository instead.
function M.install(root)
  M.root = root
  table.insert(package.loaders, 1, function(name)
    local rel = name:gsub('%.', '/')
    for _, candidate in ipairs({
      root .. '/lua/' .. rel .. '.lua',
      root .. '/lua/' .. rel .. '/init.lua',
      root .. '/' .. rel .. '.lua',
    }) do
      if uv.fs_stat(candidate) then
        M.sources[name] = candidate
        return assert(loadfile(candidate))
      end
    end
    return nil
  end)
end

return M