diff --git a/pr_testing/get_external_name.sh b/pr_testing/get_external_name.sh
index 4c90adf44d99..d2c221d7f2c6 100755
--- a/pr_testing/get_external_name.sh
+++ b/pr_testing/get_external_name.sh
@@ -10,6 +10,7 @@ ARRAY=(
     "cms-externals/incubator-mxnet:mxnet-predict"
     "cms-externals/eigen-git-mirror:eigen"
     "cms-externals/tensorflow:tensorflow-sources"
+    "cms-sw/cmssw-config:coral"
     )
 
 case ${PKG_REPO} in
diff --git a/pr_testing/test_multiple_prs.sh b/pr_testing/test_multiple_prs.sh
index 8f666a286693..4b66efa5720e 100755
--- a/pr_testing/test_multiple_prs.sh
+++ b/pr_testing/test_multiple_prs.sh
@@ -233,7 +233,7 @@ if [[ ${PKG_TOOL_VERSION} -lt 32 && ! -z $(echo ${UNIQ_REPO_NAMES} | tr ' ' '\n'
 fi
 
 # Do git pull --rebase for each PR except for /cmssw
-for U_REPO in $(echo ${UNIQ_REPOS} | tr ' ' '\n'  | grep -v '/cmssw' ); do
+for U_REPO in $(echo ${UNIQ_REPOS} | tr ' ' '\n'  | grep -v '/cmssw$' ); do
     FILTERED_PRS=$(echo ${PULL_REQUESTS} | tr ' ' '\n' | grep ${U_REPO} | tr '\n' ' ')
     for PR in ${FILTERED_PRS}; do
         ERR=false
@@ -397,11 +397,17 @@ if ${BUILD_EXTERNAL} ; then
     rm -f $CMSSW_IB/config/scram_basedir
     ls $WORKSPACE/$BUILD_DIR/share/lcg/SCRAMV1 > $CMSSW_IB/config/scram_version
     config_tag=$(grep '%define *configtag *V' $WORKSPACE/cmsdist/scram-project-build.file | sed 's|.*configtag *V|V|;s| *||g')
-    if [ "$(cat $CMSSW_IB/config/config_tag)" != "${config_tag}" ] ; then
-      git clone git@github.com:cms-sw/cmssw-config scram-buildrules
-      pushd scram-buildrules
-        git checkout ${config_tag}
-      popd
+    if [ -d $WORKSPACE/config ] ; then
+      cp -r $WORKSPACE/config scram-buildrules
+    else
+      if [ "$(cat $CMSSW_IB/config/config_tag)" != "${config_tag}" ] ; then
+        git clone git@github.com:cms-sw/cmssw-config scram-buildrules
+        pushd scram-buildrules
+          git checkout ${config_tag}
+        popd
+      fi
+    fi
+    if [ -d scram-buildrules ] ; then
       echo ${config_tag} > $WORKSPACE/$CMSSW_IB/config/config_tag
       mv $CMSSW_IB/config/SCRAM $CMSSW_IB/config/SCRAM.orig
       mv scram-buildrules/SCRAM $CMSSW_IB/config/SCRAM