$ git clone -n https://src.fedoraproject.org/rpms/cassandra.git /var/lib/mock/f31-build-90521-32225/root/chroot_tmpdir/scmroot/cassandra
Cloning into '/var/lib/mock/f31-build-90521-32225/root/chroot_tmpdir/scmroot/cassandra'...
$ git reset --hard 3cbe0aec2edb5a9f4ee77e314fc9111faeb7ff54
Checking out files:  47% (8/17)   
Checking out files:  52% (9/17)   
Checking out files:  58% (10/17)   
Checking out files:  64% (11/17)   
Checking out files:  70% (12/17)   
Checking out files:  76% (13/17)   
Checking out files:  82% (14/17)   
Checking out files:  88% (15/17)   
Checking out files:  94% (16/17)   
Checking out files: 100% (17/17)   
Checking out files: 100% (17/17), done.
HEAD is now at 3cbe0ae - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild