Populate a default usage for commands with flags. #4
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If the Usage field is empty but the command defines (non-hidden) flags, present
a usage indicating the command accepts flags, e.g.,
Usage:
cmdname [flags]
Explicitly-set usage overrides this, and commands with neither flags nor
explicit usage continue to omit the usage section entirely.
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If the Usage field is empty but the command defines (non-hidden) flags, present
a usage indicating the command accepts flags, e.g.,
Usage:
cmdname [flags]
Explicitly-set usage overrides this, and commands with neither flags nor
explicit usage continue to omit the usage section entirely.