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forgejo/modules/git/repo_base_nogogit.go
Lunny Xiao c9d9255244
Lazy load object format with command line and don't do it in OpenRepository (#29712)
Most time, when invoking `git.OpenRepository`, `objectFormat` will not
be used, so it's a waste to invoke commandline to get the object format.
This PR make it a lazy operation, only invoke that when necessary.

(cherry picked from commit e84e5db6de0306d514b1f1a9657931fb7197a188)
2024-03-20 08:46:28 +01:00

122 lines
3.1 KiB
Go

// Copyright 2015 The Gogs Authors. All rights reserved.
// Copyright 2017 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
//go:build !gogit
package git
import (
"bufio"
"context"
"errors"
"path/filepath"
"code.gitea.io/gitea/modules/log"
)
func init() {
isGogit = false
}
// Repository represents a Git repository.
type Repository struct {
Path string
tagCache *ObjectCache
gpgSettings *GPGSettings
batchInUse bool
batchCancel context.CancelFunc
batchReader *bufio.Reader
batchWriter WriteCloserError
checkInUse bool
checkCancel context.CancelFunc
checkReader *bufio.Reader
checkWriter WriteCloserError
Ctx context.Context
LastCommitCache *LastCommitCache
objectFormat ObjectFormat
}
// openRepositoryWithDefaultContext opens the repository at the given path with DefaultContext.
func openRepositoryWithDefaultContext(repoPath string) (*Repository, error) {
return OpenRepository(DefaultContext, repoPath)
}
// OpenRepository opens the repository at the given path with the provided context.
func OpenRepository(ctx context.Context, repoPath string) (*Repository, error) {
repoPath, err := filepath.Abs(repoPath)
if err != nil {
return nil, err
} else if !isDir(repoPath) {
return nil, errors.New("no such file or directory")
}
// Now because of some insanity with git cat-file not immediately failing if not run in a valid git directory we need to run git rev-parse first!
if err := EnsureValidGitRepository(ctx, repoPath); err != nil {
return nil, err
}
repo := &Repository{
Path: repoPath,
tagCache: newObjectCache(),
Ctx: ctx,
}
repo.batchWriter, repo.batchReader, repo.batchCancel = CatFileBatch(ctx, repoPath)
repo.checkWriter, repo.checkReader, repo.checkCancel = CatFileBatchCheck(ctx, repoPath)
return repo, nil
}
// CatFileBatch obtains a CatFileBatch for this repository
func (repo *Repository) CatFileBatch(ctx context.Context) (WriteCloserError, *bufio.Reader, func()) {
if repo.batchCancel == nil || repo.batchInUse {
log.Debug("Opening temporary cat file batch for: %s", repo.Path)
return CatFileBatch(ctx, repo.Path)
}
repo.batchInUse = true
return repo.batchWriter, repo.batchReader, func() {
repo.batchInUse = false
}
}
// CatFileBatchCheck obtains a CatFileBatchCheck for this repository
func (repo *Repository) CatFileBatchCheck(ctx context.Context) (WriteCloserError, *bufio.Reader, func()) {
if repo.checkCancel == nil || repo.checkInUse {
log.Debug("Opening temporary cat file batch-check for: %s", repo.Path)
return CatFileBatchCheck(ctx, repo.Path)
}
repo.checkInUse = true
return repo.checkWriter, repo.checkReader, func() {
repo.checkInUse = false
}
}
func (repo *Repository) Close() error {
if repo == nil {
return nil
}
if repo.batchCancel != nil {
repo.batchCancel()
repo.batchReader = nil
repo.batchWriter = nil
repo.batchCancel = nil
repo.batchInUse = false
}
if repo.checkCancel != nil {
repo.checkCancel()
repo.checkCancel = nil
repo.checkReader = nil
repo.checkWriter = nil
repo.checkInUse = false
}
repo.LastCommitCache = nil
repo.tagCache = nil
return nil
}