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22 lines
840 B
Go
22 lines
840 B
Go
package config
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import "flag"
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// Flags is the flag set that AddOptions adds to. Test authors should
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// also use it instead of directly adding to the global command line.
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var Flags = flag.NewFlagSet("", flag.ContinueOnError)
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// CopyFlags ensures that all flags that are defined in the source flag
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// set appear in the target flag set as if they had been defined there
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// directly. From the flag package it inherits the behavior that there
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// is a panic if the target already contains a flag from the source.
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func CopyFlags(source *flag.FlagSet, target *flag.FlagSet) {
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source.VisitAll(func(flag *flag.Flag) {
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// We don't need to copy flag.DefValue. The original
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// default (from, say, flag.String) was stored in
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// the value and gets extracted by Var for the help
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// message.
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target.Var(flag.Value, flag.Name, flag.Usage)
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})
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}
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