$ git clone -n https://src.fedoraproject.org/rpms/libepc.git /var/lib/mock/f29-build-5463-1303/root/thebuilddir/tmp/scmroot/libepc
Cloning into '/var/lib/mock/f29-build-5463-1303/root/thebuilddir/tmp/scmroot/libepc'...
$ git reset --hard cfdf2560462864fd15d1adb0f9820690f99db95c
HEAD is now at cfdf256 - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild