51 lines
924 B
Go
51 lines
924 B
Go
package cli
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import (
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"errors"
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"flag"
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"strings"
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"github.com/micro/cli/v2"
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)
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func copyFlag(name string, ff *flag.Flag, set *flag.FlagSet) {
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switch ff.Value.(type) {
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case *cli.StringSlice:
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default:
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set.Set(name, ff.Value.String())
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}
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}
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func normalizeFlags(flags []cli.Flag, set *flag.FlagSet) error {
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visited := make(map[string]bool)
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set.Visit(func(f *flag.Flag) {
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visited[f.Name] = true
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})
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for _, f := range flags {
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parts := f.Names()
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if len(parts) == 1 {
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continue
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}
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var ff *flag.Flag
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for _, name := range parts {
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name = strings.Trim(name, " ")
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if visited[name] {
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if ff != nil {
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return errors.New("Cannot use two forms of the same flag: " + name + " " + ff.Name)
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}
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ff = set.Lookup(name)
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}
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}
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if ff == nil {
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continue
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}
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for _, name := range parts {
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name = strings.Trim(name, " ")
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if !visited[name] {
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copyFlag(name, ff, set)
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}
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}
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}
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return nil
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}
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