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https://github.com/go-gitea/gitea
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9e6e1dc950
The current implementation of checkBranchName is highly inefficient involving opening the repository, the listing all of the branch names checking them individually before then using using opened repo to get the tags. This PR avoids this by simply walking the references from show-ref instead of opening the repository (in the nogogit case). Signed-off-by: Andrew Thornton <art27@cantab.net>
106 lines
2.5 KiB
Go
106 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, 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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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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