Do not overwrite the local sysconfig files.

They could contain local modification made by the admin,
so we will just create them when they are not present,
and leave them as they are if they are already on the machine.

install-labmanager.sh

@@ -159,9 +159,16 @@ echo
 echo
 
 # sysconfig
+# If the admin has created/modified the files, we will not overwrite them.
 echo -e "\e[1mDownloading sysconfig files...\e[0m"
 cd /etc/sysconfig
-downloadFiles "$GIT_URL/$GIT_BASE_DIR/$GIT_BRANCH/sysconfig" ${SYSCONFIG_FILES[@]}
+for conffile in ${SYSCONFIG_FILES[@]}; do
+    if [ -e "${conffile}" ]; then
+        echo "Not overwriting existing file ${conffile}, skipping it."
+    else
+        downloadFiles "$GIT_URL/$GIT_BASE_DIR/$GIT_BRANCH/sysconfig" "${conffile}"
+   fi
+done
 echo
 echo