$ git clone -n https://src.fedoraproject.org/rpms/oddjob.git /var/lib/mock/f45-build-20828-574/root/chroot_tmpdir/scmroot/oddjob
Cloning into '/var/lib/mock/f45-build-20828-574/root/chroot_tmpdir/scmroot/oddjob'...
$ git fetch origin 2eb523b2f0a0f9b04b52190158f9e41fadfb4743:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/oddjob
 * [new ref]         2eb523b2f0a0f9b04b52190158f9e41fadfb4743 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2eb523b Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild