$ git clone -n https://src.fedoraproject.org/rpms/perl-Class-DBI.git /var/lib/mock/f39-build-1513890-35635/root/chroot_tmpdir/scmroot/perl-Class-DBI
Cloning into '/var/lib/mock/f39-build-1513890-35635/root/chroot_tmpdir/scmroot/perl-Class-DBI'...
$ git fetch origin f3d9d38314923c5b4f19cdb12941be5abba4c815:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Class-DBI
 * [new ref]         f3d9d38314923c5b4f19cdb12941be5abba4c815 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f3d9d38 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild