98 lines
		
	
	
	
		
			2.9 KiB
		
	
	
	
		
			Elixir
		
	
	
	
	
	
			
		
		
	
	
			98 lines
		
	
	
	
		
			2.9 KiB
		
	
	
	
		
			Elixir
		
	
	
	
	
	
| # Pleroma: A lightweight social networking server
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| # Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
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| # SPDX-License-Identifier: AGPL-3.0-only
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| 
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| defmodule Pleroma.Utils do
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|   @posix_error_codes ~w(
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|     eacces eagain ebadf ebadmsg ebusy edeadlk edeadlock edquot eexist efault
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|     efbig eftype eintr einval eio eisdir eloop emfile emlink emultihop
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|     enametoolong enfile enobufs enodev enolck enolink enoent enomem enospc
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|     enosr enostr enosys enotblk enotdir enotsup enxio eopnotsupp eoverflow
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|     eperm epipe erange erofs espipe esrch estale etxtbsy exdev
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|   )a
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| 
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|   @repo_timeout Pleroma.Config.get([Pleroma.Repo, :timeout], 15_000)
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| 
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|   def compile_dir(dir) when is_binary(dir) do
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|     dir
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|     |> elixir_files()
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|     |> Kernel.ParallelCompiler.compile()
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|   end
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| 
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|   defp elixir_files(dir) when is_binary(dir) do
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|     dir
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|     |> File.ls!()
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|     |> Enum.map(&Path.join(dir, &1))
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|     |> Enum.flat_map(fn path ->
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|       if File.dir?(path) do
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|         elixir_files(path)
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|       else
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|         [path]
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|       end
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|     end)
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|     |> Enum.filter(fn path -> String.ends_with?(path, ".ex") end)
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|   end
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| 
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|   @doc """
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|   POSIX-compliant check if command is available in the system
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| 
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|   ## Examples
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|       iex> command_available?("git")
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|       true
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|       iex> command_available?("wrongcmd")
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|       false
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| 
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|   """
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|   @spec command_available?(String.t()) :: boolean()
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|   def command_available?(command) do
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|     case :os.find_executable(String.to_charlist(command)) do
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|       false -> false
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|       _ -> true
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|     end
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|   end
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| 
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|   @doc "creates the uniq temporary directory"
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|   @spec tmp_dir(String.t()) :: {:ok, String.t()} | {:error, :file.posix()}
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|   def tmp_dir(prefix \\ "") do
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|     sub_dir =
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|       [
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|         prefix,
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|         Timex.to_unix(Timex.now()),
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|         :os.getpid(),
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|         String.downcase(Integer.to_string(:rand.uniform(0x100000000), 36))
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|       ]
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|       |> Enum.join("-")
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| 
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|     tmp_dir = Path.join(System.tmp_dir!(), sub_dir)
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| 
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|     case File.mkdir(tmp_dir) do
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|       :ok -> {:ok, tmp_dir}
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|       error -> error
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|     end
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|   end
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| 
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|   @spec posix_error_message(atom()) :: binary()
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|   def posix_error_message(code) when code in @posix_error_codes do
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|     error_message = Gettext.dgettext(Pleroma.Web.Gettext, "posix_errors", "#{code}")
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|     "(POSIX error: #{error_message})"
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|   end
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| 
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|   def posix_error_message(_), do: ""
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| 
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|   @doc """
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|   Returns [timeout: integer] suitable for passing as an option to Repo functions.
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| 
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|   This function detects if the execution was triggered from IEx shell, Mix task, or
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|   ./bin/pleroma_ctl and sets the timeout to :infinity, else returns the default timeout value.
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|   """
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|   @spec query_timeout() :: [timeout: integer]
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|   def query_timeout do
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|     {parent, _, _, _} = Process.info(self(), :current_stacktrace) |> elem(1) |> Enum.fetch!(2)
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| 
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|     cond do
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|       parent |> to_string |> String.starts_with?("Elixir.Mix.Task") -> [timeout: :infinity]
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|       parent == :erl_eval -> [timeout: :infinity]
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|       true -> [timeout: @repo_timeout]
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|     end
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|   end
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| end
 | 
