$ git clone -n git+ssh://git@codeup.openanolis.cn/codeup/anolis-os/libblockdev.git /var/lib/mock/dist-an7-build-28636-15283/root/chroot_tmpdir/scmroot/libblockdev
Cloning into '/var/lib/mock/dist-an7-build-28636-15283/root/chroot_tmpdir/scmroot/libblockdev'...
$ git reset --hard origin/a7
HEAD is now at 83c1ed8 import libblockdev-2.18-4.el7.src.rpm