$ git clone -n https://src.fedoraproject.org/rpms/perl-Class-DBI-Loader-Relationship.git /var/lib/mock/f39-build-1620140-38678/root/chroot_tmpdir/scmroot/perl-Class-DBI-Loader-Relationship
Cloning into '/var/lib/mock/f39-build-1620140-38678/root/chroot_tmpdir/scmroot/perl-Class-DBI-Loader-Relationship'...
$ git fetch origin 63cbe93c13100e60e989153c0d60ea3771048894:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Class-DBI-Loader-Relationship
 * [new ref]         63cbe93c13100e60e989153c0d60ea3771048894 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 63cbe93 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild