$ git clone -n https://src.fedoraproject.org/rpms/gdigi.git /var/lib/mock/f45-build-9672-407/root/chroot_tmpdir/scmroot/gdigi
Cloning into '/var/lib/mock/f45-build-9672-407/root/chroot_tmpdir/scmroot/gdigi'...
$ git fetch origin a684dd0258fc41c1a170922647e0aa139e7b6ed1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gdigi
 * [new ref]         a684dd0258fc41c1a170922647e0aa139e7b6ed1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a684dd0 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild