$ git clone -n https://src.fedoraproject.org/rpms/belle-sip.git /var/lib/mock/f31-build-111398-34159/root/chroot_tmpdir/scmroot/belle-sip
Cloning into '/var/lib/mock/f31-build-111398-34159/root/chroot_tmpdir/scmroot/belle-sip'...
$ git reset --hard 2988648b5827524130defac225fdd79402989f69
Checking out files:  66% (4/6)   
Checking out files:  83% (5/6)   
Checking out files: 100% (6/6)   
Checking out files: 100% (6/6), done.
HEAD is now at 2988648 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild