mirror of
https://github.com/go-gitea/gitea.git
synced 2024-08-22 04:23:25 +02:00
This PR registers requests with the process manager and manages hierarchy within the processes. Git repos are then associated with a context, (usually the request's context) - with sub commands using this context as their base context. Signed-off-by: Andrew Thornton <art27@cantab.net>
217 lines
5.5 KiB
Go
217 lines
5.5 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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"fmt"
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"code.gitea.io/gitea/models"
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user_model "code.gitea.io/gitea/models/user"
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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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// CreateNewBranch creates a new repository branch
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func CreateNewBranch(doer *user_model.User, repo *models.Repository, oldBranchName, branchName string) (err error) {
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// Check if branch name can be used
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if err := checkBranchName(repo, branchName); err != nil {
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return err
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}
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if !git.IsBranchExist(git.DefaultContext, repo.RepoPath(), oldBranchName) {
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return models.ErrBranchDoesNotExist{
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BranchName: oldBranchName,
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}
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}
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if err := git.Push(git.DefaultContext, repo.RepoPath(), git.PushOptions{
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Remote: repo.RepoPath(),
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Branch: fmt.Sprintf("%s:%s%s", oldBranchName, git.BranchPrefix, branchName),
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Env: models.PushingEnvironment(doer, repo),
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}); err != nil {
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if git.IsErrPushOutOfDate(err) || git.IsErrPushRejected(err) {
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return err
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}
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return fmt.Errorf("Push: %v", err)
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}
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return nil
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}
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// GetBranch returns a branch by its name
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func GetBranch(repo *models.Repository, branch string) (*git.Branch, error) {
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if len(branch) == 0 {
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return nil, fmt.Errorf("GetBranch: empty string for branch")
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}
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gitRepo, err := git.OpenRepository(repo.RepoPath())
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if err != nil {
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return nil, err
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}
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defer gitRepo.Close()
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return gitRepo.GetBranch(branch)
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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 GetBranches(repo *models.Repository, skip, limit int) ([]*git.Branch, int, error) {
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return git.GetBranchesByPath(repo.RepoPath(), skip, limit)
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}
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// checkBranchName validates branch name with existing repository branches
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func checkBranchName(repo *models.Repository, name string) error {
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gitRepo, err := git.OpenRepository(repo.RepoPath())
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if err != nil {
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return err
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}
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defer gitRepo.Close()
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branches, _, err := GetBranches(repo, 0, 0)
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if err != nil {
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return err
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}
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for _, branch := range branches {
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if branch.Name == name {
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return models.ErrBranchAlreadyExists{
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BranchName: branch.Name,
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}
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} else if (len(branch.Name) < len(name) && branch.Name+"/" == name[0:len(branch.Name)+1]) ||
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(len(branch.Name) > len(name) && name+"/" == branch.Name[0:len(name)+1]) {
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return models.ErrBranchNameConflict{
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BranchName: branch.Name,
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}
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}
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}
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if _, err := gitRepo.GetTag(name); err == nil {
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return models.ErrTagAlreadyExists{
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TagName: name,
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}
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}
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return nil
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}
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// CreateNewBranchFromCommit creates a new repository branch
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func CreateNewBranchFromCommit(doer *user_model.User, repo *models.Repository, commit, branchName string) (err error) {
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// Check if branch name can be used
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if err := checkBranchName(repo, branchName); err != nil {
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return err
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}
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if err := git.Push(git.DefaultContext, repo.RepoPath(), git.PushOptions{
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Remote: repo.RepoPath(),
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Branch: fmt.Sprintf("%s:%s%s", commit, git.BranchPrefix, branchName),
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Env: models.PushingEnvironment(doer, repo),
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}); err != nil {
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if git.IsErrPushOutOfDate(err) || git.IsErrPushRejected(err) {
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return err
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}
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return fmt.Errorf("Push: %v", err)
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}
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return nil
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}
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// RenameBranch rename a branch
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func RenameBranch(repo *models.Repository, doer *user_model.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 *user_model.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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