$ git clone -n git+ssh://git@codeup.openanolis.cn/codeup/anolis-os/yum.git /var/lib/mock/dist-an7-build-38180-18130/root/chroot_tmpdir/scmroot/yum
Cloning into '/var/lib/mock/dist-an7-build-38180-18130/root/chroot_tmpdir/scmroot/yum'...
$ git reset --hard origin/a7
HEAD is now at ad831d5 import yum-3.4.3-163.el7.src.rpm