$ git clone -n https://src.fedoraproject.org/rpms/vectorscan.git /var/lib/mock/f42-bootstrap-3462989-45594/root/chroot_tmpdir/scmroot/vectorscan
Cloning into '/var/lib/mock/f42-bootstrap-3462989-45594/root/chroot_tmpdir/scmroot/vectorscan'...
$ git fetch origin e3487bf23ad4807d8322e18282acd8482b94b28e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/vectorscan
 * [new ref]         e3487bf23ad4807d8322e18282acd8482b94b28e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e3487bf Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild