$ git clone -n https://src.fedoraproject.org/rpms/plasma-wayland-protocols.git /var/lib/mock/f42-build-862354-170742/root/chroot_tmpdir/scmroot/plasma-wayland-protocols
Cloning into '/var/lib/mock/f42-build-862354-170742/root/chroot_tmpdir/scmroot/plasma-wayland-protocols'...
$ git fetch origin 8b383c4f3ba326af1fc3a0c5967fea85dbcdf4a1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plasma-wayland-protocols
 * [new ref]         8b383c4f3ba326af1fc3a0c5967fea85dbcdf4a1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8b383c4 1.15.0