$ whoami
root
$ git clone -n http://8.131.229.236/anolis-os/nghttp2 /var/lib/mock/dist-el8-build-1987-27/root/chroot_tmpdir/scmroot/nghttp2
Cloning into '/var/lib/mock/dist-el8-build-1987-27/root/chroot_tmpdir/scmroot/nghttp2'...
$ git reset --hard origin/a8
HEAD is now at 7385268 import nghttp2-1.33.0-1.el8_0.1.src.rpm