$ git clone -n https://git.cclinux.org/stage/rpms/libpq.git /var/lib/mock/dist-circle8-build-26054-4564/root/chroot_tmpdir/scmroot/libpq
Cloning into '/var/lib/mock/dist-circle8-build-26054-4564/root/chroot_tmpdir/scmroot/libpq'...
$ git reset --hard fd1dbfbae55b2a8afae8e9033f77df960b115aa2
HEAD is now at fd1dbfb import libpq-10.5-1.el8