$ git clone -n https://src.fedoraproject.org/rpms/matchbox-window-manager.git /var/lib/mock/f31-build-86106-31652/root/chroot_tmpdir/scmroot/matchbox-window-manager
Cloning into '/var/lib/mock/f31-build-86106-31652/root/chroot_tmpdir/scmroot/matchbox-window-manager'...
$ git reset --hard dbbcb2c85defc84e1462d1ce3b73c7e8a59631bd
HEAD is now at dbbcb2c - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild