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Validate source equivalence and layered scaling

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This commit is contained in:
Eric Rakestraw
2026-09-29 18:15:10 +00:00
parent 36362ee6af
commit 34e18c84c1
6 changed files with 423 additions and 13 deletions
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21
internal/engine/explain_render.go
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@@ -23,10 +23,14 @@ func (r *Inspection) WriteExplanation(output io.Writer, path Path) error {
return errExplanationUnknownPath
}
var rendered strings.Builder
labels := make(map[string]string, len(r.sources))
for _, source := range r.sources {
labels[source.ID] = source.Label
}
rendered.WriteString("path: ")
rendered.WriteString(strconv.Quote(explanation.Path.String()))
rendered.WriteByte('\n')
writeExplanationOrigin(&rendered, "effective source", explanation.Origin, r.sources)
writeExplanationOrigin(&rendered, "effective source", explanation.Origin, labels)
writeExplanationSnapshot(&rendered, "effective (canonical typed)", explanation.Effective, 0)
if explanation.SecretReference != nil {
rendered.WriteString("secret reference: ")
@@ -43,7 +47,7 @@ func (r *Inspection) WriteExplanation(output io.Writer, path Path) error {
} else {
rendered.WriteString("canonical typed\n")
}
writeExplanationOrigin(&rendered, " source", change.Origin, r.sources)
writeExplanationOrigin(&rendered, " source", change.Origin, labels)
writeExplanationSnapshot(&rendered, " before", change.Before, 4)
writeExplanationSnapshot(&rendered, " after", change.After, 4)
for _, reason := range change.Reasons {
@@ -65,7 +69,7 @@ func (r *Inspection) WriteExplanation(output io.Writer, path Path) error {
return err
}
func writeExplanationOrigin(output *strings.Builder, label string, origin Origin, sources []SourceInfo) {
func writeExplanationOrigin(output *strings.Builder, label string, origin Origin, labels map[string]string) {
output.WriteString(label)
output.WriteString(": layer=")
output.WriteString(strconv.Quote(string(origin.Layer)))
@@ -77,7 +81,7 @@ func writeExplanationOrigin(output *strings.Builder, label string, origin Origin
for _, location := range origin.Locations {
output.WriteString(" location: source=")
output.WriteString(strconv.Quote(location.SourceID))
if label := sourceLabel(sources, location.SourceID); label != "" {
if label := labels[location.SourceID]; label != "" {
output.WriteString(" label=")
output.WriteString(strconv.Quote(label))
}
@@ -89,15 +93,6 @@ func writeExplanationOrigin(output *strings.Builder, label string, origin Origin
}
}
func sourceLabel(sources []SourceInfo, sourceID string) string {
for _, source := range sources {
if source.ID == sourceID {
return source.Label
}
}
return ""
}
func writeExplanationSnapshot(output *strings.Builder, label string, snapshot ValueSnapshot, indent int) {
if !snapshot.Present {
output.WriteString(label)