$ git clone -n https://src.fedoraproject.org/rpms/eb.git /var/lib/mock/f41-build-749579-13378/root/chroot_tmpdir/scmroot/eb
Cloning into '/var/lib/mock/f41-build-749579-13378/root/chroot_tmpdir/scmroot/eb'...
$ git fetch origin d8937ce6d93013af549d777d784fa643533e5920:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/eb
 * [new ref]         d8937ce6d93013af549d777d784fa643533e5920 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d8937ce Eliminate use of obsolete %patchN syntax (#2283636)