$ git clone -n git+ssh://git@codeup.openanolis.cn/codeup/anolis-os/perl-Algorithm-Diff.git /var/lib/mock/dist-an7-build-38151-18130/root/chroot_tmpdir/scmroot/perl-Algorithm-Diff
Cloning into '/var/lib/mock/dist-an7-build-38151-18130/root/chroot_tmpdir/scmroot/perl-Algorithm-Diff'...
$ git reset --hard origin/a7
HEAD is now at 2f302a2 import perl-Algorithm-Diff-1.1902-17.el7.src.rpm