$ git clone -n git+ssh://git@codeup.openanolis.cn/codeup/anolis-os/perl-Devel-Symdump.git /var/lib/mock/dist-an7-build-29572-15403/root/chroot_tmpdir/scmroot/perl-Devel-Symdump
Cloning into '/var/lib/mock/dist-an7-build-29572-15403/root/chroot_tmpdir/scmroot/perl-Devel-Symdump'...
$ git reset --hard origin/a7
HEAD is now at 29d3160 import perl-Devel-Symdump-2.10-2.el7.src.rpm