$ git clone -n https://src.fedoraproject.org/rpms/cups.git /var/lib/mock/f41-build-857750-168199/root/chroot_tmpdir/scmroot/cups
Cloning into '/var/lib/mock/f41-build-857750-168199/root/chroot_tmpdir/scmroot/cups'...
$ git fetch origin b206f6eb291e7ab441f6875d1874fd387e5c4162:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cups
 * [new ref]         b206f6eb291e7ab441f6875d1874fd387e5c4162 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b206f6e use monotonic time for cups_enum_dests (fedora#2316066)