$ git clone -n https://src.fedoraproject.org/rpms/mate-notification-daemon.git /var/lib/mock/f40-build-2238221-53561/root/chroot_tmpdir/scmroot/mate-notification-daemon
Cloning into '/var/lib/mock/f40-build-2238221-53561/root/chroot_tmpdir/scmroot/mate-notification-daemon'...
$ git fetch origin 6852a82c4dd9d3eed075cbf1ee3eae0ee5fa6eda:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mate-notification-daemon
 * [new ref]         6852a82c4dd9d3eed075cbf1ee3eae0ee5fa6eda -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6852a82 fix building with libxml 2.12.0