$ git clone -n https://src.fedoraproject.org/rpms/unzoo.git /var/lib/mock/f42-build-890064-189465/root/chroot_tmpdir/scmroot/unzoo
Cloning into '/var/lib/mock/f42-build-890064-189465/root/chroot_tmpdir/scmroot/unzoo'...
$ git fetch origin 178b97e01ae74577953dffcf9a5144512d45cd1b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/unzoo
 * [new ref]         178b97e01ae74577953dffcf9a5144512d45cd1b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 178b97e Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild