Update post-link script for use on macOSX. (macOSX bash version is < 4)

Author: mikecormier

ggd/make_meta_recipe.py

@@ -336,7 +336,8 @@ def make_bash(parser, args):
 set -eo pipefail -o nounset
 
 new_name="$GGD_METARECIPE_ID-{dp}-v{version}"
-new_name=${to_lower}
+#new_name=${to_lower} Requires bash version >= 4.2
+new_name="$(echo $new_name | tr '[:upper:]' '[:lower:]')"
 
 if [[ -z $(conda info --envs | grep "*" | grep -o "\/.*") ]]; then
     export CONDA_ROOT=$(conda info --root)

tests/test_make_meta_recipe.py

@@ -612,8 +612,7 @@ def test_make_bash():
             for line in pf:
                 ## Check new name
                 if "new_name=" in line:
-                    print(line.strip())
-                    assert line.strip() == '''new_name="$GGD_METARECIPE_ID-ucsc-v1"''' or line.strip() == """new_name=${new_name,,}""" 
+                    assert line.strip() == '''new_name="$GGD_METARECIPE_ID-ucsc-v1"''' or line.strip() == '''new_name="$(echo $new_name | tr '[:upper:]' '[:lower:]')"''' or line.strip() == """#new_name=${new_name,,} Requires bash version >= 4.2"""
                     set_new_name = True
                 ### Check the assignment of RECIPE_DIR
                 if "RECIPE_DIR=" in line: