5cb0c9aa0d
This PR continues the work in #17125 by progressively ensuring that git commands run within the request context. This now means that the if there is a git repo already open in the context it will be used instead of reopening it. Signed-off-by: Andrew Thornton <art27@cantab.net>
107 lines
2.9 KiB
Go
107 lines
2.9 KiB
Go
// Copyright 2015 The Gogs Authors. All rights reserved.
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// Copyright 2017 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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// +build !gogit
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package git
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import (
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"bufio"
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"context"
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"errors"
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"path/filepath"
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"code.gitea.io/gitea/modules/log"
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)
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// Repository represents a Git repository.
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type Repository struct {
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Path string
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tagCache *ObjectCache
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gpgSettings *GPGSettings
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batchCancel context.CancelFunc
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batchReader *bufio.Reader
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batchWriter WriteCloserError
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checkCancel context.CancelFunc
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checkReader *bufio.Reader
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checkWriter WriteCloserError
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Ctx context.Context
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}
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// OpenRepository opens the repository at the given path.
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func OpenRepository(repoPath string) (*Repository, error) {
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return OpenRepositoryCtx(DefaultContext, repoPath)
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}
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// OpenRepositoryCtx opens the repository at the given path with the provided context.
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func OpenRepositoryCtx(ctx context.Context, repoPath string) (*Repository, error) {
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repoPath, err := filepath.Abs(repoPath)
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if err != nil {
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return nil, err
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} else if !isDir(repoPath) {
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return nil, errors.New("no such file or directory")
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}
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// 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!
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if err := EnsureValidGitRepository(ctx, repoPath); err != nil {
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return nil, err
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}
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repo := &Repository{
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Path: repoPath,
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tagCache: newObjectCache(),
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Ctx: ctx,
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}
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repo.batchWriter, repo.batchReader, repo.batchCancel = CatFileBatch(ctx, repoPath)
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repo.checkWriter, repo.checkReader, repo.checkCancel = CatFileBatchCheck(ctx, repo.Path)
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return repo, nil
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}
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// CatFileBatch obtains a CatFileBatch for this repository
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func (repo *Repository) CatFileBatch(ctx context.Context) (WriteCloserError, *bufio.Reader, func()) {
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if repo.batchCancel == nil || repo.batchReader.Buffered() > 0 {
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log.Debug("Opening temporary cat file batch for: %s", repo.Path)
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return CatFileBatch(ctx, repo.Path)
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}
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return repo.batchWriter, repo.batchReader, func() {}
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}
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// CatFileBatchCheck obtains a CatFileBatchCheck for this repository
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func (repo *Repository) CatFileBatchCheck(ctx context.Context) (WriteCloserError, *bufio.Reader, func()) {
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if repo.checkCancel == nil || repo.checkReader.Buffered() > 0 {
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log.Debug("Opening temporary cat file batch-check: %s", repo.Path)
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return CatFileBatchCheck(ctx, repo.Path)
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}
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return repo.checkWriter, repo.checkReader, func() {}
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}
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// Close this repository, in particular close the underlying gogitStorage if this is not nil
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func (repo *Repository) Close() (err error) {
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if repo == nil {
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return
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}
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if repo.batchCancel != nil {
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repo.batchCancel()
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repo.batchReader = nil
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repo.batchWriter = nil
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repo.batchCancel = nil
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}
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if repo.checkCancel != nil {
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repo.checkCancel()
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repo.checkCancel = nil
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repo.checkReader = nil
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repo.checkWriter = nil
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}
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return
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}
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