$ git clone -n git+ssh://git@codeup.openanolis.cn/codeup/anolis-os/rcs.git /var/lib/mock/dist-an7-build-30163-15469/root/chroot_tmpdir/scmroot/rcs
Cloning into '/var/lib/mock/dist-an7-build-30163-15469/root/chroot_tmpdir/scmroot/rcs'...
$ git reset --hard origin/a7
HEAD is now at b323720 import rcs-5.9.0-5.el7.src.rpm