$ git clone -n git+ssh://git@codeup.openanolis.cn/codeup/anolis-os/perl-Sys-MemInfo.git /var/lib/mock/dist-an7-build-29766-15426/root/chroot_tmpdir/scmroot/perl-Sys-MemInfo
Cloning into '/var/lib/mock/dist-an7-build-29766-15426/root/chroot_tmpdir/scmroot/perl-Sys-MemInfo'...
$ git reset --hard origin/a7
HEAD is now at 9963b2c import perl-Sys-MemInfo-0.91-7.el7.src.rpm