$ git clone -n https://src.fedoraproject.org/rpms/libnjb.git /var/lib/mock/f31-build-59183-28552/root/chroot_tmpdir/scmroot/libnjb
Cloning into '/var/lib/mock/f31-build-59183-28552/root/chroot_tmpdir/scmroot/libnjb'...
$ git reset --hard 0bf01783c096e796fef278482bbf8bfdedf2bc9a
HEAD is now at 0bf0178 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild