Method processHunk

plumbing/format/diff/unified_encoder.go:228–254

(i int, op Operation)

}

func (g *hunksGenerator) processHunk(i int, op Operation) {
	if g.current != nil {
		return
	}

	var ctxPrefix string
	linesBefore := len(g.beforeContext)
	if linesBefore > g.ctxLines {
		ctxPrefix = g.beforeContext[linesBefore-g.ctxLines-1]
		g.beforeContext = g.beforeContext[linesBefore-g.ctxLines:]
		linesBefore = g.ctxLines
	}

	g.current = &hunk{ctxPrefix: strings.TrimSuffix(ctxPrefix, "\n")}
	g.current.AddOp(Equal, g.beforeContext...)

	switch op {
	case Delete:
		g.current.fromLine, g.current.toLine =
			g.addLineNumbers(g.fromLine, g.toLine, linesBefore, i, Add)
	case Add:
		g.current.toLine, g.current.fromLine =
			g.addLineNumbers(g.toLine, g.fromLine, linesBefore, i, Delete)
	}

	g.beforeContext = nil
}

// addLineNumbers obtains the line numbers in a new chunk.
func (g *hunksGenerator) addLineNumbers(la, lb int, linesBefore int, i int, op Operation) (cla, clb int) {