$ git clone -n https://gitee.com/src-anolis-os/perl-prefork.git /var/lib/mock/dist-an7-build-61592-34012/root/chroot_tmpdir/scmroot/perl-prefork
Cloning into '/var/lib/mock/dist-an7-build-61592-34012/root/chroot_tmpdir/scmroot/perl-prefork'...
$ git reset --hard origin/a7
HEAD is now at 37e6d7d import perl-prefork-1.04-11.el7.src.rpm