$ git clone -n git+ssh://git@codeup.openanolis.cn/codeup/anolis-os/libXext.git /var/lib/mock/dist-an7-build-32112-15900/root/chroot_tmpdir/scmroot/libXext
Cloning into '/var/lib/mock/dist-an7-build-32112-15900/root/chroot_tmpdir/scmroot/libXext'...
$ git reset --hard origin/a7
HEAD is now at 019c926 import libXext-1.3.3-3.el7.src.rpm