$ git clone -n https://src.fedoraproject.org/rpms/perl-IPC-SysV.git /var/lib/mock/f40-build-2305279-57074/root/chroot_tmpdir/scmroot/perl-IPC-SysV
Cloning into '/var/lib/mock/f40-build-2305279-57074/root/chroot_tmpdir/scmroot/perl-IPC-SysV'...
$ git fetch origin b3fe7be6cb904657baedd217474f9d7a2fcd4129:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-IPC-SysV
 * [new ref]         b3fe7be6cb904657baedd217474f9d7a2fcd4129 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b3fe7be Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild