$ git clone -n https://src.fedoraproject.org/rpms/kf6-ki18n.git /var/lib/mock/f40-build-2424191-60595/root/chroot_tmpdir/scmroot/kf6-ki18n
Cloning into '/var/lib/mock/f40-build-2424191-60595/root/chroot_tmpdir/scmroot/kf6-ki18n'...
$ git fetch origin 764b2dd1ecfe25e6ad2932a367da03c16fd2318c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-ki18n
 * [new ref]         764b2dd1ecfe25e6ad2932a367da03c16fd2318c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 764b2dd Add sonames to libraries