$ git clone -n https://src.fedoraproject.org/rpms/perl-Data-Visitor.git /var/lib/mock/f39-build-1437430-32135/root/chroot_tmpdir/scmroot/perl-Data-Visitor
Cloning into '/var/lib/mock/f39-build-1437430-32135/root/chroot_tmpdir/scmroot/perl-Data-Visitor'...
$ git fetch origin 87ea75c19ec576c9cfb9f3253fccd0f1fa13d100:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Data-Visitor
 * [new ref]         87ea75c19ec576c9cfb9f3253fccd0f1fa13d100 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 87ea75c Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild