$ git clone -n https://src.fedoraproject.org/rpms/kf5-sonnet.git /var/lib/mock/f40-build-2104285-50571/root/chroot_tmpdir/scmroot/kf5-sonnet
Cloning into '/var/lib/mock/f40-build-2104285-50571/root/chroot_tmpdir/scmroot/kf5-sonnet'...
$ git fetch origin 5b1c2d1029bf0583184b4f5a477913ca1d17d52f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-sonnet
 * [new ref]         5b1c2d1029bf0583184b4f5a477913ca1d17d52f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5b1c2d1 5.113.0