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package image
import (
"fmt"
"github.com/dustin/go-humanize"
"github.com/wagoodman/dive/dive/filetree"
)
const (
LayerFormat = "%7s %s"
)
type Layer struct {
Id string
Index int
Command string
Size uint64
Tree *filetree.FileTree
Names []string
Digest string
}
func (l *Layer) ShortId() string {
rangeBound := 15
id := l.Id
if length := len(id); length < 15 {
rangeBound = length
}
id = id[0:rangeBound]
return id
}
func (l *Layer) String() string {
if l.Index == 0 {
return fmt.Sprintf(LayerFormat,
humanize.Bytes(l.Size),
"FROM "+l.ShortId())
}
return fmt.Sprintf(LayerFormat,
humanize.Bytes(l.Size),
l.Command)
}
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