$ git clone -n https://src.fedoraproject.org/rpms/phasex.git /var/lib/mock/f29-build-3681-941/root/thebuilddir/tmp/scmroot/phasex
Cloning into '/var/lib/mock/f29-build-3681-941/root/thebuilddir/tmp/scmroot/phasex'...
$ git reset --hard a139b2a21332a843506d6c8612e527d9051b430c
HEAD is now at a139b2a - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild