$ git clone -n https://src.fedoraproject.org/rpms/pg_journal.git /var/lib/mock/f29-build-3679-941/root/thebuilddir/tmp/scmroot/pg_journal
Cloning into '/var/lib/mock/f29-build-3679-941/root/thebuilddir/tmp/scmroot/pg_journal'...
$ git reset --hard 8ee013468f679400554ec3576c1b078e378dc91c
HEAD is now at 8ee0134 - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild