$ git clone -n https://src.fedoraproject.org/rpms/libpqxx.git /var/lib/mock/f33-build-293332-55084/root/chroot_tmpdir/scmroot/libpqxx
Cloning into '/var/lib/mock/f33-build-293332-55084/root/chroot_tmpdir/scmroot/libpqxx'...
$ git reset --hard de67af460a95831db71d2880682b466705d96bb6
HEAD is now at de67af4 Disable LTO