mirror of
https://github.com/go-gitea/gitea.git
synced 2025-11-02 20:06:06 +01:00
c18d8d6968
Go 1.17 and later use modern `//go:build` constraints, the old `// +build:` constraints should be removed.
90 lines
2.4 KiB
Go
90 lines
2.4 KiB
Go
// Copyright 2019 The Gitea Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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//go:build gogit
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package git
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import (
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"context"
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"io"
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"code.gitea.io/gitea/modules/log"
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"github.com/go-git/go-git/v5/plumbing/object"
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)
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// GetNote retrieves the git-notes data for a given commit.
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// FIXME: Add LastCommitCache support
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func GetNote(ctx context.Context, repo *Repository, commitID string, note *Note) error {
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log.Trace("Searching for git note corresponding to the commit %q in the repository %q", commitID, repo.Path)
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notes, err := repo.GetCommit(NotesRef)
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if err != nil {
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if IsErrNotExist(err) {
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return err
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}
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log.Error("Unable to get commit from ref %q. Error: %v", NotesRef, err)
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return err
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}
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remainingCommitID := commitID
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path := ""
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currentTree := notes.Tree.gogitTree
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log.Trace("Found tree with ID %q while searching for git note corresponding to the commit %q", currentTree.Entries[0].Name, commitID)
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var file *object.File
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for len(remainingCommitID) > 2 {
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file, err = currentTree.File(remainingCommitID)
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if err == nil {
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path += remainingCommitID
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break
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}
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if err == object.ErrFileNotFound {
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currentTree, err = currentTree.Tree(remainingCommitID[0:2])
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path += remainingCommitID[0:2] + "/"
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remainingCommitID = remainingCommitID[2:]
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}
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if err != nil {
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if err == object.ErrDirectoryNotFound {
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return ErrNotExist{ID: remainingCommitID, RelPath: path}
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}
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log.Error("Unable to find git note corresponding to the commit %q. Error: %v", commitID, err)
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return err
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}
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}
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blob := file.Blob
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dataRc, err := blob.Reader()
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if err != nil {
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log.Error("Unable to read blob with ID %q. Error: %v", blob.ID, err)
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return err
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}
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defer dataRc.Close()
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d, err := io.ReadAll(dataRc)
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if err != nil {
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log.Error("Unable to read blob with ID %q. Error: %v", blob.ID, err)
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return err
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}
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note.Message = d
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commitNodeIndex, commitGraphFile := repo.CommitNodeIndex()
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if commitGraphFile != nil {
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defer commitGraphFile.Close()
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}
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commitNode, err := commitNodeIndex.Get(notes.ID)
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if err != nil {
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return err
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}
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lastCommits, err := GetLastCommitForPaths(ctx, nil, commitNode, "", []string{path})
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if err != nil {
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log.Error("Unable to get the commit for the path %q. Error: %v", path, err)
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return err
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}
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note.Commit = convertCommit(lastCommits[path])
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return nil
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}
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