$ git clone -n https://src.fedoraproject.org/rpms/plasma-integration.git /var/lib/mock/f39-build-2192562-51470/root/chroot_tmpdir/scmroot/plasma-integration
Cloning into '/var/lib/mock/f39-build-2192562-51470/root/chroot_tmpdir/scmroot/plasma-integration'...
$ git fetch origin 8c19d30407b5a476b93cf191d0e695074fc8733a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plasma-integration
 * [new ref]         8c19d30407b5a476b93cf191d0e695074fc8733a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8c19d30 Rebuild (qt5)