$ git clone -n http://8.131.229.236/anolis-os/libpq /var/lib/mock/dist-el8-updates-build-16774-2666/root/chroot_tmpdir/scmroot/libpq
Cloning into '/var/lib/mock/dist-el8-updates-build-16774-2666/root/chroot_tmpdir/scmroot/libpq'...
$ git reset --hard origin/a8
HEAD is now at 59b79dc update to libpq-12.5-1.el8_2.src.rpm