podman

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package define
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import (
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	"fmt"
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)
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// PullPolicy takes the value PullIfMissing, PullAlways, PullIfNewer, or PullNever.
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type PullPolicy int
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const (
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	// PullIfMissing is one of the values that BuilderOptions.PullPolicy
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	// can take, signalling that the source image should be pulled from a
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	// registry if a local copy of it is not already present.
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	PullIfMissing PullPolicy = iota
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	// PullAlways is one of the values that BuilderOptions.PullPolicy can
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	// take, signalling that a fresh, possibly updated, copy of the image
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	// should be pulled from a registry before the build proceeds.
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	PullAlways
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	// PullIfNewer is one of the values that BuilderOptions.PullPolicy
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	// can take, signalling that the source image should only be pulled
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	// from a registry if a local copy is not already present or if a
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	// newer version the image is present on the repository.
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	PullIfNewer
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	// PullNever is one of the values that BuilderOptions.PullPolicy can
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	// take, signalling that the source image should not be pulled from a
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	// registry.
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	PullNever
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)
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// String converts a PullPolicy into a string.
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func (p PullPolicy) String() string {
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	switch p {
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	case PullIfMissing:
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		return "missing"
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	case PullAlways:
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		return "always"
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	case PullIfNewer:
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		return "ifnewer"
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	case PullNever:
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		return "never"
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	}
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	return fmt.Sprintf("unrecognized policy %d", p)
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}
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var PolicyMap = map[string]PullPolicy{
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	"missing": PullIfMissing,
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	"always":  PullAlways,
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	"never":   PullNever,
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	"ifnewer": PullIfNewer,
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}
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