$ git clone -n https://src.fedoraproject.org/rpms/kf5-kwayland.git /var/lib/mock/f40-build-786904-134632/root/chroot_tmpdir/scmroot/kf5-kwayland
Cloning into '/var/lib/mock/f40-build-786904-134632/root/chroot_tmpdir/scmroot/kf5-kwayland'...
$ git fetch origin 3d0dac50eabdf43d6d60bd81a40ab67e52efb3cb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-kwayland
 * [new ref]         3d0dac50eabdf43d6d60bd81a40ab67e52efb3cb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3d0dac5 5.115.0