$ git clone -n https://src.fedoraproject.org/rpms/kwayland-integration.git /var/lib/mock/f41-build-824806-154220/root/chroot_tmpdir/scmroot/kwayland-integration
Cloning into '/var/lib/mock/f41-build-824806-154220/root/chroot_tmpdir/scmroot/kwayland-integration'...
$ git fetch origin 87fccb49fe1eec368744bcc3daf803a0b8856671:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kwayland-integration
 * [new ref]         87fccb49fe1eec368744bcc3daf803a0b8856671 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 87fccb4 rebuild