woodpecker/pipeline/frontend/yaml/compiler/image.go

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package compiler
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import "github.com/docker/distribution/reference"
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// trimImage returns the short image name without tag.
func trimImage(name string) string {
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ref, err := reference.ParseAnyReference(name)
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if err != nil {
return name
}
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named, err := reference.ParseNamed(ref.String())
if err != nil {
return name
}
named = reference.TrimNamed(named)
return reference.FamiliarName(named)
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}
// expandImage returns the fully qualified image name.
func expandImage(name string) string {
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ref, err := reference.ParseAnyReference(name)
if err != nil {
return name
}
named, err := reference.ParseNamed(ref.String())
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if err != nil {
return name
}
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named = reference.TagNameOnly(named)
return named.String()
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}
// matchImage returns true if the image name matches
// an image in the list. Note the image tag is not used
// in the matching logic.
func matchImage(from string, to ...string) bool {
from = trimImage(from)
for _, match := range to {
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if from == trimImage(match) {
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return true
}
}
return false
}
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// matchHostname returns true if the image hostname
// matches the specified hostname.
func matchHostname(image, hostname string) bool {
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ref, err := reference.ParseAnyReference(image)
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if err != nil {
return false
}
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named, err := reference.ParseNamed(ref.String())
if err != nil {
return false
}
if hostname == "index.docker.io" {
hostname = "docker.io"
}
return reference.Domain(named) == hostname
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}