Minor improvements:

* testdir can be changed
* testdir is no longer incorporated into the delivery
* pip calls will use an index if defined
* multiarg now returns empty string if input is empty
* remove clone repos if they already exist. guarantees pristine code/tests

1 files changed, 2 insertions, 0 deletions

diff --git a/source/conda.d b/source/conda.d
index 9fee38f..c7e7fe3 100644
--- a/source/conda.d
+++ b/source/conda.d
@@ -213,6 +213,8 @@ class Conda {
     }
 
     string multiarg(string flag, string[] arr) {
+        if (arr.empty)
+            return "";
         return flag ~ " " ~ arr.join(" " ~ flag ~ " ");
     }