$ git clone -n https://src.fedoraproject.org/rpms/regina-rexx.git /var/lib/mock/f40-build-792332-138330/root/chroot_tmpdir/scmroot/regina-rexx
Cloning into '/var/lib/mock/f40-build-792332-138330/root/chroot_tmpdir/scmroot/regina-rexx'...
$ git fetch origin 8f12792abe25a397d501304b38aceadc99c32bb3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/regina-rexx
 * [new ref]         8f12792abe25a397d501304b38aceadc99c32bb3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8f12792 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild