$ git clone -n https://src.fedoraproject.org/rpms/freeorion.git /var/lib/mock/f31-build-52369-27658/root/chroot_tmpdir/scmroot/freeorion
Cloning into '/var/lib/mock/f31-build-52369-27658/root/chroot_tmpdir/scmroot/freeorion'...
$ git reset --hard ef7c35e3f948f0a8dc9a8f276acd3e52a3aa01b4
Checking out files:  40% (4/10)   
Checking out files:  50% (5/10)   
Checking out files:  60% (6/10)   
Checking out files:  70% (7/10)   
Checking out files:  80% (8/10)   
Checking out files:  90% (9/10)   
Checking out files: 100% (10/10)   
Checking out files: 100% (10/10), done.
HEAD is now at ef7c35e fix FTBFS on fc30 add BuildRequires on doxygen + dot add BuildRequires on cppcheck add BuildRequires on python2-pycodestyle add Patch1+2 for building with boost 1.69