shithub: furgit

ref: 57f1818d547f2f1dca38033b4e29f62d89ef80f9
dir: /diff/trees/diff.go/

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// Package trees provides recursive diffs between Git tree objects.
package trees

import (
	"codeberg.org/lindenii/furgit/object"
	"codeberg.org/lindenii/furgit/objectid"
)

// Diff compares two trees and returns recursive differences.
//
// readTree is used to lazily load child trees by object ID when recursion
// reaches directory entries.
func Diff(a, b *object.Tree, readTree func(objectid.ObjectID) (*object.Tree, error)) ([]Entry, error) {
	var out []Entry

	err := diffRecursive(a, b, nil, readTree, &out)
	if err != nil {
		return nil, err
	}

	return out, nil
}