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Use strings.CutPrefix

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Signed-off-by: Miloslav Trmač <mitr@redhat.com>
This commit is contained in:
Miloslav Trmač 2023-11-15 22:49:44 +01:00
parent f2220f960d
commit 4a43163fba
1 changed files with 3 additions and 7 deletions
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10
cmd/skopeo/list_tags.go
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@ -78,16 +78,12 @@ See skopeo-list-tags(1) section "REPOSITORY NAMES" for the expected format
// Customized version of the alltransports.ParseImageName and docker.ParseReference that does not place a default tag in the reference
// Would really love to not have this, but needed to enforce tag-less and digest-less names
func parseDockerRepositoryReference(refString string) (types.ImageReference, error) {
if !strings.HasPrefix(refString, docker.Transport.Name()+"://") {
dockerRefString, ok := strings.CutPrefix(refString, docker.Transport.Name()+"://")
if !ok {
return nil, fmt.Errorf("docker: image reference %s does not start with %s://", refString, docker.Transport.Name())
}
_, dockerImageName, hasColon := strings.Cut(refString, ":")
if !hasColon {
return nil, fmt.Errorf(`Invalid image name "%s", expected colon-separated transport:reference`, refString)
}
ref, err := reference.ParseNormalizedNamed(strings.TrimPrefix(dockerImageName, "//"))
ref, err := reference.ParseNormalizedNamed(dockerRefString)
if err != nil {
return nil, err
}