$ git clone -n https://src.fedoraproject.org/rpms/perl-Math-Random-ISAAC-XS.git /var/lib/mock/f39-build-1435550-32001/root/chroot_tmpdir/scmroot/perl-Math-Random-ISAAC-XS
Cloning into '/var/lib/mock/f39-build-1435550-32001/root/chroot_tmpdir/scmroot/perl-Math-Random-ISAAC-XS'...
$ git fetch origin 80d89959e9cdfc8789852e98ff1d1da922ab901c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Math-Random-ISAAC-XS
 * [new ref]         80d89959e9cdfc8789852e98ff1d1da922ab901c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 80d8995 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild