112 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			Go
		
	
	
	
			
		
		
	
	
			112 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			Go
		
	
	
	
// Copyright 2021 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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package repository
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import (
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	"errors"
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	"code.gitea.io/gitea/models"
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	"code.gitea.io/gitea/modules/git"
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	"code.gitea.io/gitea/modules/log"
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	"code.gitea.io/gitea/modules/notification"
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	repo_module "code.gitea.io/gitea/modules/repository"
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	pull_service "code.gitea.io/gitea/services/pull"
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)
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// RenameBranch rename a branch
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func RenameBranch(repo *models.Repository, doer *models.User, gitRepo *git.Repository, from, to string) (string, error) {
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	if from == to {
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		return "target_exist", nil
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	}
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	if gitRepo.IsBranchExist(to) {
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		return "target_exist", nil
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	}
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	if !gitRepo.IsBranchExist(from) {
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		return "from_not_exist", nil
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	}
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	if err := repo.RenameBranch(from, to, func(isDefault bool) error {
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		err2 := gitRepo.RenameBranch(from, to)
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		if err2 != nil {
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			return err2
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		}
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		if isDefault {
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			err2 = gitRepo.SetDefaultBranch(to)
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			if err2 != nil {
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				return err2
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			}
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		}
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		return nil
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	}); err != nil {
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		return "", err
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	}
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	notification.NotifyDeleteRef(doer, repo, "branch", "refs/heads/"+from)
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	notification.NotifyCreateRef(doer, repo, "branch", "refs/heads/"+to)
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	return "", nil
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}
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// enmuerates all branch related errors
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var (
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	ErrBranchIsDefault   = errors.New("branch is default")
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	ErrBranchIsProtected = errors.New("branch is protected")
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)
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// DeleteBranch delete branch
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func DeleteBranch(doer *models.User, repo *models.Repository, gitRepo *git.Repository, branchName string) error {
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	if branchName == repo.DefaultBranch {
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		return ErrBranchIsDefault
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	}
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	isProtected, err := repo.IsProtectedBranch(branchName)
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	if err != nil {
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		return err
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	}
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	if isProtected {
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		return ErrBranchIsProtected
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	}
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	commit, err := gitRepo.GetBranchCommit(branchName)
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	if err != nil {
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		return err
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	}
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	if err := gitRepo.DeleteBranch(branchName, git.DeleteBranchOptions{
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		Force: true,
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	}); err != nil {
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		return err
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	}
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	if err := pull_service.CloseBranchPulls(doer, repo.ID, branchName); err != nil {
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		return err
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	}
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	// Don't return error below this
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	if err := PushUpdate(
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		&repo_module.PushUpdateOptions{
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			RefFullName:  git.BranchPrefix + branchName,
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			OldCommitID:  commit.ID.String(),
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			NewCommitID:  git.EmptySHA,
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			PusherID:     doer.ID,
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			PusherName:   doer.Name,
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			RepoUserName: repo.OwnerName,
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			RepoName:     repo.Name,
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		}); err != nil {
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		log.Error("Update: %v", err)
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	}
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	if err := repo.AddDeletedBranch(branchName, commit.ID.String(), doer.ID); err != nil {
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		log.Warn("AddDeletedBranch: %v", err)
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	}
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	return nil
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}
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