$ git clone -n https://gitee.com/mgb01105731/bison.git /var/lib/mock/dist-an8-poc-build-103587-45599/root/chroot_tmpdir/scmroot/bison
Cloning into '/var/lib/mock/dist-an8-poc-build-103587-45599/root/chroot_tmpdir/scmroot/bison'...
$ git reset --hard origin/a8
HEAD is now at 4289e75  Fix mock err