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reference: introduce const for "localhost"

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Localhost is treated special when parsing references, and always considered
to be a domain, despite not having a "." nor a ":port". Adding a const for
this, to allow documenting this special case (making it more visible).

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
This commit is contained in:
Sebastiaan van Stijn 2022-11-11 13:00:28 +01:00
parent bbd41f40bb
commit a4cec8ca82
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2 changed files with 5 additions and 1 deletions
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reference/normalize.go
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@ -125,7 +125,7 @@ func ParseDockerRef(ref string) (Named, error) {
// needs to be already validated before.
func splitDockerDomain(name string) (domain, remainder string) {
i := strings.IndexRune(name, '/')
if i == -1 || (!strings.ContainsAny(name[:i], ".:") && name[:i] != "localhost" && strings.ToLower(name[:i]) == name[:i]) {
if i == -1 || (!strings.ContainsAny(name[:i], ".:") && name[:i] != localhost && strings.ToLower(name[:i]) == name[:i]) {
domain, remainder = defaultDomain, name
} else {
domain, remainder = name[:i], name[i+1:]