[#3031] Refactoring: moved system commands checks to ApplicationRequirements.

lib/pleroma/application.ex

@@ -56,7 +56,6 @@ defmodule Pleroma.Application do
     Pleroma.ApplicationRequirements.verify!()
     setup_instrumenters()
     load_custom_modules()
-    check_system_commands()
     Pleroma.Docs.JSON.compile()
 
     adapter = Application.get_env(:tesla, :adapter)
@@ -260,37 +259,4 @@ defmodule Pleroma.Application do
   end
 
   defp http_children(_, _), do: []
-
-  defp check_system_commands do
-    filters = Config.get([Pleroma.Upload, :filters])
-
-    check_filter = fn filter, command_required ->
-      with true <- filter in filters,
-           false <- Pleroma.Utils.command_available?(command_required) do
-        Logger.error(
-          "#{filter} is specified in list of Pleroma.Upload filters, but the " <>
-            "#{command_required} command is not found"
-        )
-      end
-    end
-
-    check_filter.(Pleroma.Upload.Filters.Exiftool, "exiftool")
-    check_filter.(Pleroma.Upload.Filters.Mogrify, "mogrify")
-    check_filter.(Pleroma.Upload.Filters.Mogrifun, "mogrify")
-
-    with true <- Config.get([:media_preview_proxy, :enabled]),
-         missing_graphics_tools = Pleroma.Helpers.MediaHelper.missing_dependencies(),
-         [] <- missing_graphics_tools do
-      :noop
-    else
-      false ->
-        :noop
-
-      missing_graphics_tools ->
-        Logger.error(
-          "The following dependencies required by Media preview proxy " <>
-            "(which is currently enabled) are not installed: #{inspect(missing_graphics_tools)}"
-        )
-    end
-  end
 end