63 lines
1.9 KiB
Elixir
63 lines
1.9 KiB
Elixir
# Pleroma: A lightweight social networking server
|
|
# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
|
|
# SPDX-License-Identifier: AGPL-3.0-only
|
|
|
|
defmodule Pleroma.Utils do
|
|
@posix_error_codes ~w(
|
|
eacces eagain ebadf ebadmsg ebusy edeadlk edeadlock edquot eexist efault
|
|
efbig eftype eintr einval eio eisdir eloop emfile emlink emultihop
|
|
enametoolong enfile enobufs enodev enolck enolink enoent enomem enospc
|
|
enosr enostr enosys enotblk enotdir enotsup enxio eopnotsupp eoverflow
|
|
eperm epipe erange erofs espipe esrch estale etxtbsy exdev
|
|
)a
|
|
|
|
def compile_dir(dir) when is_binary(dir) do
|
|
dir
|
|
|> File.ls!()
|
|
|> Enum.map(&Path.join(dir, &1))
|
|
|> Kernel.ParallelCompiler.compile()
|
|
end
|
|
|
|
@doc """
|
|
POSIX-compliant check if command is available in the system
|
|
|
|
## Examples
|
|
iex> command_available?("git")
|
|
true
|
|
iex> command_available?("wrongcmd")
|
|
false
|
|
|
|
"""
|
|
@spec command_available?(String.t()) :: boolean()
|
|
def command_available?(command) do
|
|
match?({_output, 0}, System.cmd("sh", ["-c", "command -v #{command}"]))
|
|
end
|
|
|
|
@doc "creates the uniq temporary directory"
|
|
@spec tmp_dir(String.t()) :: {:ok, String.t()} | {:error, :file.posix()}
|
|
def tmp_dir(prefix \\ "") do
|
|
sub_dir =
|
|
[
|
|
prefix,
|
|
Timex.to_unix(Timex.now()),
|
|
:os.getpid(),
|
|
String.downcase(Integer.to_string(:rand.uniform(0x100000000), 36))
|
|
]
|
|
|> Enum.join("-")
|
|
|
|
tmp_dir = Path.join(System.tmp_dir!(), sub_dir)
|
|
|
|
case File.mkdir(tmp_dir) do
|
|
:ok -> {:ok, tmp_dir}
|
|
error -> error
|
|
end
|
|
end
|
|
|
|
@spec posix_error_message(atom()) :: binary()
|
|
def posix_error_message(code) when code in @posix_error_codes do
|
|
error_message = Gettext.dgettext(Pleroma.Web.Gettext, "posix_errors", "#{code}")
|
|
"(POSIX error: #{error_message})"
|
|
end
|
|
|
|
def posix_error_message(_), do: ""
|
|
end
|