mirror of
https://github.com/go-gitea/gitea
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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>
109 lines
2.5 KiB
Go
109 lines
2.5 KiB
Go
// Copyright 2015 The Gogs Authors. All rights reserved.
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// Copyright 2018 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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"context"
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"strings"
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"github.com/go-git/go-git/v5/plumbing"
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)
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// IsObjectExist returns true if given reference exists in the repository.
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func (repo *Repository) IsObjectExist(name string) bool {
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if name == "" {
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return false
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}
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_, err := repo.gogitRepo.ResolveRevision(plumbing.Revision(name))
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return err == nil
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}
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// IsReferenceExist returns true if given reference exists in the repository.
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func (repo *Repository) IsReferenceExist(name string) bool {
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if name == "" {
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return false
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}
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reference, err := repo.gogitRepo.Reference(plumbing.ReferenceName(name), true)
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if err != nil {
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return false
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}
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return reference.Type() != plumbing.InvalidReference
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}
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// IsBranchExist returns true if given branch exists in current repository.
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func (repo *Repository) IsBranchExist(name string) bool {
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if name == "" {
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return false
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}
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reference, err := repo.gogitRepo.Reference(plumbing.ReferenceName(BranchPrefix+name), true)
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if err != nil {
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return false
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}
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return reference.Type() != plumbing.InvalidReference
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}
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// GetBranches returns branches from the repository, skipping skip initial branches and
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// returning at most limit branches, or all branches if limit is 0.
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func (repo *Repository) GetBranchNames(skip, limit int) ([]string, int, error) {
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var branchNames []string
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branches, err := repo.gogitRepo.Branches()
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if err != nil {
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return nil, 0, err
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}
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i := 0
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count := 0
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_ = branches.ForEach(func(branch *plumbing.Reference) error {
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count++
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if i < skip {
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i++
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return nil
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} else if limit != 0 && count > skip+limit {
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return nil
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}
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branchNames = append(branchNames, strings.TrimPrefix(branch.Name().String(), BranchPrefix))
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return nil
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})
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// TODO: Sort?
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return branchNames, count, nil
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}
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// WalkReferences walks all the references from the repository
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func WalkReferences(ctx context.Context, repoPath string, walkfn func(string) error) (int, error) {
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repo := RepositoryFromContext(ctx, repoPath)
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if repo == nil {
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var err error
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repo, err = OpenRepositoryCtx(ctx, repoPath)
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if err != nil {
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return 0, err
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}
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defer repo.Close()
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}
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i := 0
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iter, err := repo.gogitRepo.References()
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if err != nil {
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return i, err
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}
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defer iter.Close()
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err = iter.ForEach(func(ref *plumbing.Reference) error {
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err := walkfn(string(ref.Name()))
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i++
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return err
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})
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return i, err
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}
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