Lunny Xiao ae0af8ea5b Refactor Git Attribute & performance optimization (#34154)
This PR moved git attributes related code to `modules/git/attribute` sub
package and moved language stats related code to
`modules/git/languagestats` sub package to make it easier to maintain.

And it also introduced a performance improvement which use the `git
check-attr --source` which can be run in a bare git repository so that
we don't need to create a git index file. The new parameter need a git
version >= 2.40 . If git version less than 2.40, it will fall back to
previous implementation.

---------

Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>
Co-authored-by: yp05327 <576951401@qq.com>
2025-04-11 21:41:29 +08:00

86 lines
2.6 KiB
Go

// Copyright 2020 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package stats
import (
"fmt"
repo_model "code.gitea.io/gitea/models/repo"
"code.gitea.io/gitea/modules/git"
"code.gitea.io/gitea/modules/git/languagestats"
"code.gitea.io/gitea/modules/gitrepo"
"code.gitea.io/gitea/modules/graceful"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/process"
"code.gitea.io/gitea/modules/setting"
)
// DBIndexer implements Indexer interface to use database's like search
type DBIndexer struct{}
// Index repository status function
func (db *DBIndexer) Index(id int64) error {
ctx, _, finished := process.GetManager().AddContext(graceful.GetManager().ShutdownContext(), fmt.Sprintf("Stats.DB Index Repo[%d]", id))
defer finished()
repo, err := repo_model.GetRepositoryByID(ctx, id)
if err != nil {
return err
}
if repo.IsEmpty {
return nil
}
status, err := repo_model.GetIndexerStatus(ctx, repo, repo_model.RepoIndexerTypeStats)
if err != nil {
return err
}
gitRepo, err := gitrepo.OpenRepository(ctx, repo)
if err != nil {
if err.Error() == "no such file or directory" {
return nil
}
return err
}
defer gitRepo.Close()
// Get latest commit for default branch
commitID, err := gitRepo.GetBranchCommitID(repo.DefaultBranch)
if err != nil {
if git.IsErrBranchNotExist(err) || git.IsErrNotExist(err) || setting.IsInTesting {
log.Debug("Unable to get commit ID for default branch %s in %s ... skipping this repository", repo.DefaultBranch, repo.FullName())
return nil
}
log.Error("Unable to get commit ID for default branch %s in %s. Error: %v", repo.DefaultBranch, repo.FullName(), err)
return err
}
// Do not recalculate stats if already calculated for this commit
if status.CommitSha == commitID {
return nil
}
// Calculate and save language statistics to database
stats, err := languagestats.GetLanguageStats(gitRepo, commitID)
if err != nil {
if !setting.IsInTesting {
log.Error("Unable to get language stats for ID %s for default branch %s in %s. Error: %v", commitID, repo.DefaultBranch, repo.FullName(), err)
}
return err
}
err = repo_model.UpdateLanguageStats(ctx, repo, commitID, stats)
if err != nil {
log.Error("Unable to update language stats for ID %s for default branch %s in %s. Error: %v", commitID, repo.DefaultBranch, repo.FullName(), err)
return err
}
log.Debug("DBIndexer completed language stats for ID %s for default branch %s in %s. stats count: %d", commitID, repo.DefaultBranch, repo.FullName(), len(stats))
return nil
}
// Close dummy function
func (db *DBIndexer) Close() {
}