Merge branch 'release/2.2.0' into 'stable'v2.2.0

Release/2.2.0

See merge request pleroma/secteam/pleroma!19

1 files changed, 20 insertions, 0 deletions

diff --git a/lib/pleroma/utils.ex b/lib/pleroma/utils.ex
index 21d1159be..e95766223 100644
--- a/lib/pleroma/utils.ex
+++ b/lib/pleroma/utils.ex
@@ -24,4 +24,24 @@ defmodule Pleroma.Utils do
   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
 end