Add scm-branch content to reports.

Scripts/developer_scripts/run_testsuite_with_cmake

@@ -324,8 +324,14 @@ run_test_on_platform()
   cat "${CGAL_BINARY_DIR}/package_installation.log" >> "Installation/${TEST_REPORT}"
   
   #call the python script to complete the results report.
+  #if git branch, create empty scm file for python script
+  if [ -n "${SCRIPTS_DIR}" ]; then
+    touch ../../../../../.scm-branch
+  fi
   python3 ${CGAL_DIR}/${TESTSUITE_DIR}test/get_deactivated_packages_info.py Installation/${TEST_REPORT} ${TEST_REPORT} results_${CGAL_TESTER}_${PLATFORM}.txt
-  
+  if [ -n "${SCRIPTS_DIR}" ]; then
+    rm ../../../../../.scm-branch
+  fi
   rm -f $OUTPUT_FILE $OUTPUT_FILE.gz
   tar cf $OUTPUT_FILE results_${CGAL_TESTER}_${PLATFORM}.txt */"$TEST_REPORT"
   echo