$ git clone -n https://src.fedoraproject.org/rpms/htmlcxx.git /var/lib/mock/f31-build-86800-31706/root/thebuilddir/tmp/scmroot/htmlcxx
Cloning into '/var/lib/mock/f31-build-86800-31706/root/thebuilddir/tmp/scmroot/htmlcxx'...
$ git reset --hard 85449f724579dcaa9313c5b368e7fa152c2f14ec
HEAD is now at 85449f7 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild