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23 lines
861 B
Go
23 lines
861 B
Go
package cli
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// A command is a runnable sub-command of a CLI.
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type Command interface {
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// Help should return long-form help text that includes the command-line
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// usage, a brief few sentences explaining the function of the command,
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// and the complete list of flags the command accepts.
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Help() string
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// Run should run the actual command with the given CLI instance and
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// command-line arguments. It should return the exit status when it is
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// finished.
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Run(args []string) int
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// Synopsis should return a one-line, short synopsis of the command.
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// This should be less than 50 characters ideally.
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Synopsis() string
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}
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// CommandFactory is a type of function that is a factory for commands.
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// We need a factory because we may need to setup some state on the
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// struct that implements the command itself.
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type CommandFactory func() (Command, error)
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