$ git clone -n https://src.fedoraproject.org/rpms/freeorion.git /var/lib/mock/f31-build-109410-33929/root/chroot_tmpdir/scmroot/freeorion
Cloning into '/var/lib/mock/f31-build-109410-33929/root/chroot_tmpdir/scmroot/freeorion'...
$ git reset --hard 41f2f433351111f6155a1756ec7a09f5c675dc09
Checking out files:  50% (4/8)   
Checking out files:  62% (5/8)   
Checking out files:  75% (6/8)   
Checking out files:  87% (7/8)   
Checking out files: 100% (8/8)   
Checking out files: 100% (8/8), done.
HEAD is now at 41f2f43 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild