$ whoami
root
$ git clone -n http://8.131.229.236/anolis-os/dotnet /var/lib/mock/dist-el8-build-7757-721/root/chroot_tmpdir/scmroot/dotnet
Cloning into '/var/lib/mock/dist-el8-build-7757-721/root/chroot_tmpdir/scmroot/dotnet'...
$ git reset --hard origin/a8
Updating files: 100% (12/12)
Updating files: 100% (12/12), done.
HEAD is now at 0ea6dc8 import dotnet-2.1.513-2.el8.src.rpm