$ git clone -n git+ssh://git@codeup.openanolis.cn/codeup/anolis-os/expat.git /var/lib/mock/dist-an7-build-27622-15186/root/chroot_tmpdir/scmroot/expat
Cloning into '/var/lib/mock/dist-an7-build-27622-15186/root/chroot_tmpdir/scmroot/expat'...
$ git reset --hard origin/a7
HEAD is now at 9f0291e update to expat-2.1.0-10.el7_3.src.rpm