$ git clone -n https://gitee.com/src-anolis-os/ocaml-extlib.git /var/lib/mock/dist-an7-build-60840-33772/root/chroot_tmpdir/scmroot/ocaml-extlib
Cloning into '/var/lib/mock/dist-an7-build-60840-33772/root/chroot_tmpdir/scmroot/ocaml-extlib'...
$ git reset --hard origin/a7
HEAD is now at 1539392 import ocaml-extlib-1.5.3-7.el7.src.rpm