bundler: Add warning for deps missing license tag

Resolves: rhbz#1920223

Signed-off-by: Stephen Gallagher <sgallagh@redhat.com>

nodejs-packaging-bundler

@@ -64,6 +64,17 @@ find . -name "package.json" -exec jq '.license | strings' {} \; >> ${TMP_DIR}/${
 find . -name "package.json" -exec jq '.license | objects | .type' {} \; >> ${TMP_DIR}/${PACKAGE_SAFE}-${VERSION}-bundled-licenses.txt 2>/dev/null
 find . -name "package.json" -exec jq '.licenses[] .type' {} \; >> ${TMP_DIR}/${PACKAGE_SAFE}-${VERSION}-bundled-licenses.txt 2>/dev/null
 sort -u -o ${TMP_DIR}/${PACKAGE_SAFE}-${VERSION}-bundled-licenses.txt ${TMP_DIR}/${PACKAGE_SAFE}-${VERSION}-bundled-licenses.txt
+
+# Locate any dependencies without a provided license
+find . -type f -name package.json -execdir jq 'if .license==null and .licenses==null then .name else null end' '{}' '+' | grep -vE '^null$' | sort -u > ${TMP_DIR}/nolicense.txt
+
+if [ -s ${TMP_DIR}/nolicense.txt ]; then
+  echo -e "\e[5m\e[41mSome dependencies do not list a license. Manual verification required!\e[0m"
+  cat ${TMP_DIR}/nolicense.txt
+  echo -e "\e[5m\e[41m======================================================================\e[0m"
+fi
+
+
 echo " Downloading dev dependencies"
 npm install --no-optional --only=dev
 if [ $? -ge 1 ] ; then