$ git clone -n https://src.fedoraproject.org/rpms/R-RPostgres.git /var/lib/mock/f37-build-641977-72056/root/chroot_tmpdir/scmroot/R-RPostgres
Cloning into '/var/lib/mock/f37-build-641977-72056/root/chroot_tmpdir/scmroot/R-RPostgres'...
$ git reset --hard 807d37875929aad3e0e3403f9ac2a37eb72cc557
HEAD is now at 807d378 rebuild for R 4.2.1