35 lines
921 B
Go
35 lines
921 B
Go
package reference
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import (
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distreference "github.com/docker/distribution/reference"
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)
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// Parse parses the given references and returns the repository and
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// tag (if present) from it. If there is an error during parsing, it will
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// return an error.
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func Parse(ref string) (string, string, error) {
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distributionRef, err := distreference.ParseNamed(ref)
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if err != nil {
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return "", "", err
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}
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tag := GetTagFromNamedRef(distributionRef)
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return distributionRef.Name(), tag, nil
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}
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// GetTagFromNamedRef returns a tag from the specified reference.
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// This function is necessary as long as the docker "server" api makes the distinction between repository
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// and tags.
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func GetTagFromNamedRef(ref distreference.Named) string {
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var tag string
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switch x := ref.(type) {
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case distreference.Digested:
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tag = x.Digest().String()
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case distreference.NamedTagged:
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tag = x.Tag()
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default:
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tag = "latest"
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}
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return tag
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}
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