$ git clone -n https://src.fedoraproject.org/rpms/kdelibs.git /var/lib/mock/f42-bootstrap-3534197-46467/root/chroot_tmpdir/scmroot/kdelibs
Cloning into '/var/lib/mock/f42-bootstrap-3534197-46467/root/chroot_tmpdir/scmroot/kdelibs'...
$ git fetch origin 63b8e915a2fb7b041d5f2427cb80a6097552d9f6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kdelibs
 * [new ref]         63b8e915a2fb7b041d5f2427cb80a6097552d9f6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 63b8e91 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild