$ git clone -n https://src.fedoraproject.org/rpms/clanbomber.git /var/lib/mock/f41-build-884024-16586/root/chroot_tmpdir/scmroot/clanbomber
Cloning into '/var/lib/mock/f41-build-884024-16586/root/chroot_tmpdir/scmroot/clanbomber'...
$ git fetch origin 50cd63955c9458a5a76ccbc2ab928ba67d045ca8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/clanbomber
 * [new ref]         50cd63955c9458a5a76ccbc2ab928ba67d045ca8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 50cd639 Eliminate use of obsolete %patchN syntax (#2283636)