$ git clone -n https://src.fedoraproject.org/rpms/perl-CLASS.git /var/lib/mock/f39-build-1440118-32311/root/chroot_tmpdir/scmroot/perl-CLASS
Cloning into '/var/lib/mock/f39-build-1440118-32311/root/chroot_tmpdir/scmroot/perl-CLASS'...
$ git fetch origin 763a7dc6d384cb89f08d603ffac14feafa11b395:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-CLASS
 * [new ref]         763a7dc6d384cb89f08d603ffac14feafa11b395 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 763a7dc Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild