$ git clone -n git+ssh://git@codeup.openanolis.cn/codeup/anolis-os/libblockdev.git /var/lib/mock/dist-an7-updates-build-43007-21666/root/chroot_tmpdir/scmroot/libblockdev
Cloning into '/var/lib/mock/dist-an7-updates-build-43007-21666/root/chroot_tmpdir/scmroot/libblockdev'...
$ git reset --hard origin/a7
HEAD is now at 1de8bb8 update to libblockdev-2.18-5.el7.src.rpm