ceb9688d92
Heredocs can be used to create multi-line commands, which broke rendering. Details about heredocs: https://www.docker.com/blog/introduction-to-heredocs-in-dockerfiles/
52 lines
897 B
Go
52 lines
897 B
Go
package image
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import (
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"fmt"
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"strings"
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"github.com/dustin/go-humanize"
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"github.com/wagoodman/dive/dive/filetree"
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)
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const (
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LayerFormat = "%7s %s"
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)
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type Layer struct {
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Id string
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Index int
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Command string
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Size uint64
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Tree *filetree.FileTree
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Names []string
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Digest string
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}
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func (l *Layer) ShortId() string {
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rangeBound := 15
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id := l.Id
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if length := len(id); length < 15 {
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rangeBound = length
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}
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id = id[0:rangeBound]
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return id
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}
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func (l *Layer) commandPreview() string {
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// Layers using heredocs can be multiple lines; rendering relies on
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// Layer.String to be a single line.
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return strings.Replace(l.Command, "\n", "↵", -1)
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}
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func (l *Layer) String() string {
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if l.Index == 0 {
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return fmt.Sprintf(LayerFormat,
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humanize.Bytes(l.Size),
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"FROM "+l.ShortId())
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}
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return fmt.Sprintf(LayerFormat,
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humanize.Bytes(l.Size),
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l.commandPreview())
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}
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