$ git clone -n https://src.fedoraproject.org/rpms/barrage.git /var/lib/mock/f31-build-55527-28129/root/chroot_tmpdir/scmroot/barrage
Cloning into '/var/lib/mock/f31-build-55527-28129/root/chroot_tmpdir/scmroot/barrage'...
$ git reset --hard d546284d9a9ee92d55eafbbf7779948938f51623
HEAD is now at d546284 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild