$ git clone -n git+ssh://git@codeup.openanolis.cn/codeup/anolis-os/dtc.git /var/lib/mock/dist-an7-build-31069-15679/root/chroot_tmpdir/scmroot/dtc
Cloning into '/var/lib/mock/dist-an7-build-31069-15679/root/chroot_tmpdir/scmroot/dtc'...
$ git reset --hard origin/a7
HEAD is now at b10de15 import dtc-1.4.6-1.el7.src.rpm