$ git clone -n https://src.fedoraproject.org/rpms/plasma-integration.git /var/lib/mock/f40-build-2623718-65001/root/chroot_tmpdir/scmroot/plasma-integration
Cloning into '/var/lib/mock/f40-build-2623718-65001/root/chroot_tmpdir/scmroot/plasma-integration'...
$ git fetch origin b25dba0939162a01b0d409297ad5c03958f6e740:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plasma-integration
 * [new ref]         b25dba0939162a01b0d409297ad5c03958f6e740 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b25dba0 Rebuild (qt5)