46 lines
1.0 KiB
Go
46 lines
1.0 KiB
Go
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// command shows how to have bash completion to an arbitrary Go program using the `complete.Command`
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// struct.
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package main
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import (
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"flag"
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"fmt"
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"os"
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"github.com/posener/complete"
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"github.com/posener/complete/predict"
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)
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var (
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// Add variables to the program.
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name = flag.String("name", "", "Give your name")
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something = flag.String("something", "", "Expect somthing, but we don't know what, so no other completion options will be provided.")
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nothing = flag.String("nothing", "", "Expect nothing after flag, so other completion can be provided.")
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)
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func main() {
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// Create the complete command.
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// Here we define completion values for each flag.
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cmd := &complete.Command{
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Flags: map[string]complete.Predictor{
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"name": predict.Set{"foo", "bar", "foo bar"},
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"something": predict.Something,
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"nothing": predict.Nothing,
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},
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}
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// Run the completion.
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cmd.Complete("command")
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// Parse the flags.
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flag.Parse()
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// Program logic.
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if *name == "" {
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fmt.Println("Your name is missing")
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os.Exit(1)
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}
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fmt.Println("Hi,", name)
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}
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