Function renderCommitDiff

internal/ui/log.go:137–167

renderCommitDiff renders a full commit diff (may contain multiple files).

(raw string, styles Styles, t theme.Theme, width int)

// renderCommitDiff renders a full commit diff (may contain multiple files).
func renderCommitDiff(raw string, styles Styles, t theme.Theme, width int) string {
	initChromaStyle(t.ChromaStyle)

	var b strings.Builder
	// Split by file boundaries and render each section
	currentFile := ""
	var currentLines []string

	for _, line := range strings.Split(raw, "\n") {
		if strings.HasPrefix(line, "diff --git") {
			// Flush previous file
			if len(currentLines) > 0 {
				parsed := ParseDiff(strings.Join(currentLines, "\n"))
				b.WriteString(RenderDiff(parsed, currentFile, styles, t, width))
			}
			currentFile = extractFilename(line)
			// Add file separator
			b.WriteString(styles.HeaderBar.Width(width).Render(" " + currentFile))
			b.WriteByte('\n')
			currentLines = []string{line}
		} else {
			currentLines = append(currentLines, line)
		}
	}
	// Flush last file
	if len(currentLines) > 0 {
		parsed := ParseDiff(strings.Join(currentLines, "\n"))
		b.WriteString(RenderDiff(parsed, currentFile, styles, t, width))
	}
	return b.String()
}

// extractFilename pulls the b/ path from "diff --git a/foo b/foo".
func extractFilename(diffHeader string) string {