validate_devfile_schemas script accepts relative or absolute paths

Signed-off-by: Michael Valdron <[email protected]>

Author: michael-valdron

tests/validate_devfile_schemas.sh

@@ -2,8 +2,13 @@
 
 set -x
 
-stacksDir=${STACKS_DIR:-"$(pwd)/stacks"}
+stacksDir=${STACKS_DIR:-stacks}
 stackDirs=${STACKS:-"$(bash "$(pwd)/tests/get_stacks.sh")"}
 
+# Use pwd if relative path
+if [[ ! ${stacksDir} = /* ]]; then
+  stacksDir=$(pwd)/${stacksDir}
+fi
+
 ginkgo run --procs 2 \
   tests/validate_devfile_schemas -- -stacksPath ${stacksDir} -stackDirs "$stackDirs"