$ git clone -n https://src.fedoraproject.org/rpms/kf5-sonnet.git /var/lib/mock/f39-build-1535286-36247/root/chroot_tmpdir/scmroot/kf5-sonnet
Cloning into '/var/lib/mock/f39-build-1535286-36247/root/chroot_tmpdir/scmroot/kf5-sonnet'...
$ git fetch origin ac4bb11ea5747d72c0c669adbcdc91bce9483106:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-sonnet
 * [new ref]         ac4bb11ea5747d72c0c669adbcdc91bce9483106 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ac4bb11 5.111.0