$ git clone -n git+ssh://git@codeup.openanolis.cn/codeup/anolis-os/gcc-libraries.git /var/lib/mock/dist-an7-build-31178-15695/root/chroot_tmpdir/scmroot/gcc-libraries
Cloning into '/var/lib/mock/dist-an7-build-31178-15695/root/chroot_tmpdir/scmroot/gcc-libraries'...
$ git reset --hard origin/a7
HEAD is now at 82deb33 import gcc-libraries-8.3.1-2.1.1.el7.src.rpm