$ git clone -n http://8.131.229.236/anolis-os/tinyxml2 /var/lib/mock/dist-el8-build-9017-1494/root/chroot_tmpdir/scmroot/tinyxml2
Cloning into '/var/lib/mock/dist-el8-build-9017-1494/root/chroot_tmpdir/scmroot/tinyxml2'...
$ git reset --hard origin/a8
HEAD is now at 9ea590e import tinyxml2-6.0.0-3.el8.src.rpm