27 lines
628 B
Go
27 lines
628 B
Go
package cli
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import (
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"fmt"
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"github.com/alecthomas/kong"
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)
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// Version is the CLI version string (set by GoReleaser).
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var Version = "dev"
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// VersionFlag prints the version and exits.
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type VersionFlag string
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// Decode is a no-op for the boolean version flag.
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func (v VersionFlag) Decode(_ *kong.DecodeContext) error { return nil }
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// IsBool marks the version flag as boolean.
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func (v VersionFlag) IsBool() bool { return true }
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// BeforeApply prints the version and exits.
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func (v VersionFlag) BeforeApply(app *kong.Kong, vars kong.Vars) error {
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_, _ = fmt.Fprintln(app.Stdout, vars["version"])
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app.Exit(0)
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return nil
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}
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