$ git clone -n https://gitee.com/src-anolis-os/diffutils.git /var/lib/mock/dist-an8.7-build-138843-51750/root/chroot_tmpdir/scmroot/diffutils
Cloning into '/var/lib/mock/dist-an8.7-build-138843-51750/root/chroot_tmpdir/scmroot/diffutils'...
$ git reset --hard origin/a8
HEAD is now at 20d80fb import diffutils-3.6-6.el8.src.rpm