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Fix rendering for multi-line commands #443

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merged 1 commit into from
Jul 6, 2023
Merged

Fix rendering for multi-line commands #443

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8 changes: 7 additions & 1 deletion dive/image/layer.go
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Original file line number Diff line number Diff line change
Expand Up @@ -33,6 +33,12 @@ func (l *Layer) ShortId() string {
return id
}

func (l *Layer) commandPreview() string {
// Layers using heredocs can be multiple lines; rendering relies on
// Layer.String to be a single line.
return strings.Replace(l.Command, "\n", "↵", -1)
}

func (l *Layer) String() string {
if l.Index == 0 {
return fmt.Sprintf(LayerFormat,
Expand All @@ -41,5 +47,5 @@ func (l *Layer) String() string {
}
return fmt.Sprintf(LayerFormat,
humanize.Bytes(l.Size),
strings.Split(l.Command, "\n")[0])
l.commandPreview())
}