mirror of https://gitea.com/gitea/tea.git
38 lines
942 B
Go
38 lines
942 B
Go
package object
|
|
|
|
import (
|
|
"bytes"
|
|
"context"
|
|
|
|
"gopkg.in/src-d/go-git.v4/utils/merkletrie"
|
|
"gopkg.in/src-d/go-git.v4/utils/merkletrie/noder"
|
|
)
|
|
|
|
// DiffTree compares the content and mode of the blobs found via two
|
|
// tree objects.
|
|
func DiffTree(a, b *Tree) (Changes, error) {
|
|
return DiffTreeContext(context.Background(), a, b)
|
|
}
|
|
|
|
// DiffTree compares the content and mode of the blobs found via two
|
|
// tree objects. Provided context must be non-nil.
|
|
// An error will be return if context expires
|
|
func DiffTreeContext(ctx context.Context, a, b *Tree) (Changes, error) {
|
|
from := NewTreeRootNode(a)
|
|
to := NewTreeRootNode(b)
|
|
|
|
hashEqual := func(a, b noder.Hasher) bool {
|
|
return bytes.Equal(a.Hash(), b.Hash())
|
|
}
|
|
|
|
merkletrieChanges, err := merkletrie.DiffTreeContext(ctx, from, to, hashEqual)
|
|
if err != nil {
|
|
if err == merkletrie.ErrCanceled {
|
|
return nil, ErrCanceled
|
|
}
|
|
return nil, err
|
|
}
|
|
|
|
return newChanges(merkletrieChanges)
|
|
}
|