26 lines
694 B
Elixir
26 lines
694 B
Elixir
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# Portions of this file are derived from Pleroma:
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# Pleroma: A lightweight social networking server
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# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Mobilizon.Utils do
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@moduledoc """
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Module that provide generic utils functions for Mobilizon
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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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## 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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@spec command_available?(String.t()) :: boolean()
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def command_available?(command) do
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match?({_output, 0}, System.cmd("sh", ["-c", "command -v #{command}"]))
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end
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end
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