$ git clone -n git+ssh://git@codeup.openanolis.cn/codeup/anolis-os/perl-Class-ISA.git /var/lib/mock/dist-an7-build-29511-15397/root/chroot_tmpdir/scmroot/perl-Class-ISA
Cloning into '/var/lib/mock/dist-an7-build-29511-15397/root/chroot_tmpdir/scmroot/perl-Class-ISA'...
$ git reset --hard origin/a7
HEAD is now at 68e893b import perl-Class-ISA-0.36-1010.el7.src.rpm