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32 lines
677 B
Go
32 lines
677 B
Go
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package importas
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import (
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"errors"
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"flag"
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"fmt"
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"strings"
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)
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func flags(config *Config) flag.FlagSet {
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fs := flag.FlagSet{}
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fs.Var(stringMap(config.RequiredAlias), "alias", "required import alias in form path:alias")
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fs.BoolVar(&config.DisallowUnaliased, "no-unaliased", false, "do not allow unaliased imports of aliased packages")
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return fs
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}
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type stringMap map[string]string
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func (v stringMap) Set(val string) error {
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spl := strings.SplitN(val, ":", 2)
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if len(spl) != 2 {
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return errors.New("import flag must be of form path:alias")
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}
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v[spl[0]] = spl[1]
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return nil
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}
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func (v stringMap) String() string {
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return fmt.Sprintf("%v", (map[string]string)(v))
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}
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