2 files changed, 17 insertions, 3 deletions
diff --git a/lib/pleroma/frontend.ex b/lib/pleroma/frontend.ex
index 941e2cfe9..0db697996 100644
--- a/lib/pleroma/frontend.ex
+++ b/lib/pleroma/frontend.ex
@@ -31,12 +31,12 @@ defmodule Pleroma.Frontend do
   end
 
   @doc """
-  Returns path to index.html file for the frontend from the given config.
+  Returns path to the requested file for the frontend from the given config.
   If config is not provided, config for the `:primary` frontend is fetched and used.
-  If index.html file is not found for the requested frontend, the function fallback
+  If the requested file is not found for the frontend, the function fallback
   to looking the file at instance static directory and then, in case of failure,
   in priv/static directory.
-  Path returned in case of success is guaranteed to be existing file.
+  Path returned in case of success is guaranteed to be of existing file.
   """
   @spec fe_file_path(String.t(), map()) :: {:ok, String.t()} | {:error, String.t()}
   def fe_file_path(filename, config \\ nil) do
diff --git a/lib/pleroma/utils.ex b/lib/pleroma/utils.ex
index 21d1159be..fef9b6cc8 100644
--- a/lib/pleroma/utils.ex
+++ b/lib/pleroma/utils.ex
@@ -24,4 +24,18 @@ defmodule Pleroma.Utils do
   def command_available?(command) do
     match?({_output, 0}, System.cmd("sh", ["-c", "command -v #{command}"]))
   end
+
+  @doc """
+  Throws an exception in case required command is not available
+  """
+  @spec command_required!(String.t()) :: :ok | no_return()
+  def command_required!(command) do
+    case command_available?(command) do
+      true ->
+        :ok
+
+      false ->
+        raise "Command #{command} is required, but not available in $PATH"
+    end
+  end
 end