Usage: goredo -symlinks

goredo expects to be called through the symbolic link to it.
Available commands: redo, redo-affects, redo-always, redo-cleanup,
redo-dep2rec, redo-depfix, redo-dot, redo-ifchange, redo-ifcreate,
redo-inode, redo-log, redo-ood, redo-sources, redo-stamp,
redo-targets, redo-whichdo.
