$ git clone -n https://src.fedoraproject.org/rpms/perl-lib-relative.git /var/lib/mock/f40-build-2305460-57088/root/chroot_tmpdir/scmroot/perl-lib-relative
Cloning into '/var/lib/mock/f40-build-2305460-57088/root/chroot_tmpdir/scmroot/perl-lib-relative'...
$ git fetch origin dea61a357b69856d81b2144b6e5a5045ad8bd3df:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-lib-relative
 * [new ref]         dea61a357b69856d81b2144b6e5a5045ad8bd3df -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dea61a3 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild