From 4e0de56b90b318e580884daf1d8f56ab3944b914 Mon Sep 17 00:00:00 2001 From: alisdair sullivan Date: Wed, 13 Jan 2016 20:39:43 -0800 Subject: check at runtime instead of compile time for presence of `file:list_dir_all/1` this is slower than the compile time check but i guess packaging rebars with repos is still a thing and i think only the eunit and ct providers call it anyways --- src/rebar_utils.erl | 13 ++++++++----- 1 file changed, 8 insertions(+), 5 deletions(-) (limited to 'src') diff --git a/src/rebar_utils.erl b/src/rebar_utils.erl index 746c57a..07bf789 100644 --- a/src/rebar_utils.erl +++ b/src/rebar_utils.erl @@ -828,8 +828,11 @@ info_useless(Old, New) -> not lists:member(Name, New)], ok. --ifdef(no_list_dir_all). -list_dir(Dir) -> file:list_dir(Dir). --else. -list_dir(Dir) -> file:list_dir_all(Dir). --endif. +list_dir(Dir) -> + %% `list_dir_all` returns raw files which are unsupported + %% prior to R16 so just fall back to `list_dir` if running + %% on an earlier vm + case erlang:function_exported(file, list_dir_all, 1) of + true -> file:list_dir_all(Dir); + false -> file:list_dir(Dir) + end. -- cgit v1.1