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container.go
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container.go
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package container
import (
"fmt"
"github.com/docker/distribution/reference"
"github.com/pkg/errors"
)
type ID string
type Name string
func (id ID) Empty() bool { return id.String() == "" }
func (id ID) String() string { return string(id) }
func (id ID) ShortStr() string {
if len(string(id)) > 10 {
return string(id)[:10]
}
return string(id)
}
func (n Name) String() string { return string(n) }
func ParseNamed(s string) (reference.Named, error) {
return reference.ParseNormalizedNamed(s)
}
func ParseNamedTagged(s string) (reference.NamedTagged, error) {
ref, err := reference.ParseNormalizedNamed(s)
if err != nil {
return nil, errors.Wrapf(err, "parsing %s", s)
}
nt, ok := ref.(reference.NamedTagged)
if !ok {
return nil, fmt.Errorf("could not parse ref %s as NamedTagged", ref)
}
return nt, nil
}
func MustParseNamedTagged(s string) reference.NamedTagged {
nt, err := ParseNamedTagged(s)
if err != nil {
panic(err)
}
return nt
}
func MustParseNamed(s string) reference.Named {
n, err := reference.ParseNormalizedNamed(s)
if err != nil {
panic(err)
}
return n
}
func NormalizeRef(ref string) (string, error) {
named, err := ParseNamed(ref)
if err != nil {
return "", err
}
return named.String(), nil
}
func MustNormalizeRef(ref string) string {
normalized, err := NormalizeRef(ref)
if err != nil {
panic(err)
}
return normalized
}