$ git clone -n https://src.fedoraproject.org/rpms/libdb4.git /var/lib/mock/f31-build-58372-28442/root/chroot_tmpdir/scmroot/libdb4
Cloning into '/var/lib/mock/f31-build-58372-28442/root/chroot_tmpdir/scmroot/libdb4'...
$ git reset --hard 1ff45d09b06bd21f7dde72701971c825e28e554b
HEAD is now at 1ff45d0 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild