Updating deprecated System.cmd calls

Author: jwarwick

test/ex_doc/formatter/html_test.exs

@@ -8,7 +8,7 @@ defmodule ExDoc.Formatter.HTMLTest do
  :file.make_dir(output_dir)
 
  on_exit fn ->
- System.cmd("rm -rf #{output_dir}")
+ System.cmd "rm", ["-rf", "#{output_dir}"]
  :file.set_cwd("..")
  end
 

test/test_helper.exs

@@ -3,7 +3,8 @@ ExUnit.start(exclude: exclude)
 
 if Enum.empty? Path.wildcard("test/tmp/ebin/*.beam") do
  IO.puts "Compiling fixtures..."
- IO.puts System.cmd "elixirc test/fixtures -o test/tmp/ebin"
+ {result, _error_code} = System.cmd "elixirc", ["test/fixtures", "-o", "test/tmp/ebin"], stderr_to_stdout: true
+ IO.puts result
 end
 
-Code.prepend_path "test/tmp/ebin"
+Code.prepend_path "test/tmp/ebin"