$ git clone -n git+ssh://git@codeup.openanolis.cn/codeup/anolis-os/perl-Sys-Virt.git /var/lib/mock/dist-an7-build-29768-15426/root/chroot_tmpdir/scmroot/perl-Sys-Virt
Cloning into '/var/lib/mock/dist-an7-build-29768-15426/root/chroot_tmpdir/scmroot/perl-Sys-Virt'...
$ git reset --hard origin/a7
HEAD is now at ad533a2 import perl-Sys-Virt-4.5.0-2.el7.src.rpm