$ git clone -n https://gitee.com/gaohongmei/groff.git /var/lib/mock/dist-an8.6-build-199514-60841/root/chroot_tmpdir/scmroot/groff
Cloning into '/var/lib/mock/dist-an8.6-build-199514-60841/root/chroot_tmpdir/scmroot/groff'...
$ git reset --hard 13c85ed5266abd803aea3e076c33062d06df54ee
HEAD is now at 13c85ed Use man page extesion macro defined in new system-rpm-config