$ git clone -n https://src.fedoraproject.org/rpms/libvirt-sandbox.git /var/lib/mock/f31-build-112376-34278/root/chroot_tmpdir/scmroot/libvirt-sandbox
Cloning into '/var/lib/mock/f31-build-112376-34278/root/chroot_tmpdir/scmroot/libvirt-sandbox'...
$ git reset --hard 400cd9eda78068ec47d2c23fe6517bb997517272
HEAD is now at 400cd9e - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild