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fix: handle String() round-trip in Set() for stringToString #489

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fix: handle String() round-trip in Set() for stringToString #489

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4 changes: 4 additions & 0 deletions string_to_string.go
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Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,10 @@ func newStringToStringValue(val map[string]string, p *map[string]string) *string
// Set updates the flag value from the given string, adding additional mappings or updating existing ones.
func (s *stringToStringValue) Set(val string) error {
var ss []string
// Support round-trip from String() output, which wraps the value in [...]
if strings.HasPrefix(val, "[") && strings.HasSuffix(val, "]") {
val = val[1 : len(val)-1]
}
n := strings.Count(val, "=")
switch n {
case 0:
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