Revert fetchdep script diff

scripts/fetchdep.sh

@@ -46,7 +46,12 @@ BRANCH_ARRAY=(${head//:/ })
 if [[ "${#BRANCH_ARRAY[@]}" == "1" ]]; then
 
     if [ -n "$GITHUB_HEAD_REF" ]; then
-        clone $deforg $defrepo $GITHUB_HEAD_REF
+        if [[ "$GITHUB_REPOSITORY" == "$deforg"* ]]; then
+            clone $deforg $defrepo $GITHUB_HEAD_REF
+        else
+            REPO_ARRAY=(${GITHUB_REPOSITORY//\// })
+            clone $REPO_ARRAY[0] $defrepo $GITHUB_HEAD_REF
+        fi
     else
         clone $deforg $defrepo $BUILDKITE_BRANCH
     fi