`-U<n>`:: `--unified=<n>`:: Generate diffs with _<n>_ lines of context. Defaults to `diff.context` or 3 if the config option is unset. `--inter-hunk-context=<n>`:: Show the context between diff hunks, up to the specified _<number>_ of lines, thereby fusing hunks that are close to each other. Defaults to `diff.interHunkContext` or 0 if the config option is unset.