You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
45 lines
1.4 KiB
45 lines
1.4 KiB
package dehub
|
|
|
|
import (
|
|
"fmt"
|
|
|
|
"gopkg.in/src-d/go-git.v4/plumbing"
|
|
"gopkg.in/src-d/go-git.v4/plumbing/filemode"
|
|
"gopkg.in/src-d/go-git.v4/plumbing/object"
|
|
)
|
|
|
|
// ChangedFile describes a single file which has been changed in some way
|
|
// between two object.Trees. If the From fields are empty then the file was
|
|
// created, if the To fields are empty then the file was deleted.
|
|
type ChangedFile struct {
|
|
Path string
|
|
FromMode, ToMode filemode.FileMode
|
|
FromHash, ToHash plumbing.Hash
|
|
}
|
|
|
|
// ChangedFilesBetweenTrees returns the ChangedFile objects which represent the
|
|
// difference between the two given trees.
|
|
func ChangedFilesBetweenTrees(from, to *object.Tree) ([]ChangedFile, error) {
|
|
changes, err := object.DiffTree(from, to)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("could not calculate tree diff: %w", err)
|
|
}
|
|
|
|
changedFiles := make([]ChangedFile, len(changes))
|
|
for i, change := range changes {
|
|
if from := change.From; from.Name != "" {
|
|
changedFiles[i].Path = from.Name
|
|
changedFiles[i].FromMode = from.TreeEntry.Mode
|
|
changedFiles[i].FromHash = from.TreeEntry.Hash
|
|
}
|
|
if to := change.To; to.Name != "" {
|
|
if exPath := changedFiles[i].Path; exPath != "" && exPath != to.Name {
|
|
panic(fmt.Sprintf("unexpected changed path from %q to %q", exPath, to.Name))
|
|
}
|
|
changedFiles[i].Path = to.Name
|
|
changedFiles[i].ToMode = to.TreeEntry.Mode
|
|
changedFiles[i].ToHash = to.TreeEntry.Hash
|
|
}
|
|
}
|
|
return changedFiles, nil
|
|
}
|
|
|