$ git clone -n http://8.131.229.236/anolis-os/ocaml-labltk /var/lib/mock/dist-el8-build-8620-1318/root/chroot_tmpdir/scmroot/ocaml-labltk
Cloning into '/var/lib/mock/dist-el8-build-8620-1318/root/chroot_tmpdir/scmroot/ocaml-labltk'...
$ git reset --hard origin/a8
HEAD is now at 19661d4 import ocaml-labltk-8.06.4-7.el8.src.rpm