debianize-mobilizon/lib/mobilizon/utils.ex
Thomas Citharel 4a11d4adcc
Add more tests to upload filters
Signed-off-by: Thomas Citharel <tcit@tcit.fr>
2020-10-25 12:00:00 +01:00

26 lines
694 B
Elixir

# Portions of this file are derived from Pleroma:
# Pleroma: A lightweight social networking server
# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Mobilizon.Utils do
@moduledoc """
Module that provide generic utils functions for Mobilizon
"""
@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
end