$ git clone -n git+ssh://git@codeup.openanolis.cn/codeup/anolis-os/gmp.git /var/lib/mock/dist-an7-build-27797-15198/root/chroot_tmpdir/scmroot/gmp
Cloning into '/var/lib/mock/dist-an7-build-27797-15198/root/chroot_tmpdir/scmroot/gmp'...
$ git reset --hard origin/a7
HEAD is now at df8097b import gmp-6.0.0-15.el7.src.rpm