$ git clone -n https://gitee.com/src-anolis-os/plexus-cdc.git /var/lib/mock/dist-an7-build-61751-34057/root/chroot_tmpdir/scmroot/plexus-cdc
Cloning into '/var/lib/mock/dist-an7-build-61751-34057/root/chroot_tmpdir/scmroot/plexus-cdc'...
$ git reset --hard origin/a7
HEAD is now at e332e76 import plexus-cdc-1.0-0.20.a14.el7.src.rpm