$ git clone -n https://src.fedoraproject.org/rpms/perl-Math-Random-ISAAC.git /var/lib/mock/f40-build-2305916-57117/root/chroot_tmpdir/scmroot/perl-Math-Random-ISAAC
Cloning into '/var/lib/mock/f40-build-2305916-57117/root/chroot_tmpdir/scmroot/perl-Math-Random-ISAAC'...
$ git fetch origin e277962da1444f9e230d8f6c805ca3ad367e5769:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Math-Random-ISAAC
 * [new ref]         e277962da1444f9e230d8f6c805ca3ad367e5769 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e277962 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild