X-Git-Url: https://git.squeep.com/?a=blobdiff_plain;ds=sidebyside;f=lib%2Fpleroma%2Futils.ex;h=fa75a8c9930426ae7f5473d7dc3c0ce0b2f3db9f;hb=303055456f19152821ec5ec1df88d60c03f60905;hp=8d36a0001fa5e8ab5e50fef0d32b85ce8f131bf9;hpb=43d9c06a2ad3e97b671f4580465def1474855d2f;p=akkoma
diff --git a/lib/pleroma/utils.ex b/lib/pleroma/utils.ex
index 8d36a0001..fa75a8c99 100644
--- a/lib/pleroma/utils.ex
+++ b/lib/pleroma/utils.ex
@@ -1,12 +1,63 @@
# Pleroma: A lightweight social networking server
-# Copyright © 2017-2019 Pleroma Authors
+# Copyright © 2017-2020 Pleroma Authors
# 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