$ whoami
root
$ git clone -n http://8.131.229.236/anolis-os/dtc /var/lib/mock/dist-el8-build-2397-28/root/chroot_tmpdir/scmroot/dtc
Cloning into '/var/lib/mock/dist-el8-build-2397-28/root/chroot_tmpdir/scmroot/dtc'...
$ git reset --hard origin/a8
HEAD is now at 845c976 import dtc-1.4.6-1.el8.src.rpm