$ git clone -n https://src.fedoraproject.org/rpms/espeak-ng.git /var/lib/mock/f29-build-138-146/root/thebuilddir/tmp/scmroot/espeak-ng
Cloning into '/var/lib/mock/f29-build-138-146/root/thebuilddir/tmp/scmroot/espeak-ng'...
$ git reset --hard 86d79fdbc6e72e123387d2ebc57e05bd2eed7d1a
HEAD is now at 86d79fd - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild