mirror of
https://github.com/go-gitea/gitea.git
synced 2024-10-29 08:17:31 -04:00
889a8c268c
Strangely #19038 appears to relate to an issue whereby a tag appears to be listed in `git show-ref --tags` but then does not appear when `git show-ref --tags -- short_name` is called. As a solution though I propose to stop the second call as it is unnecessary and only likely to cause problems. I've also noticed that the tags calls are wildly inefficient and aren't using the common cat-files - so these have been added. I've also noticed that the git commit-graph is not being written on mirroring - so I've also added writing this to the migration which should improve mirror rendering somewhat. Fix #19038 Signed-off-by: Andrew Thornton <art27@cantab.net> Co-authored-by: 6543 <6543@obermui.de>
205 lines
5.6 KiB
Go
205 lines
5.6 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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"context"
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"errors"
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"fmt"
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"strings"
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"code.gitea.io/gitea/models"
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repo_model "code.gitea.io/gitea/models/repo"
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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(ctx context.Context, doer *user_model.User, repo *repo_model.Repository, oldBranchName, branchName string) (err error) {
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// Check if branch name can be used
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if err := checkBranchName(ctx, repo, branchName); err != nil {
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return err
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}
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if !git.IsBranchExist(ctx, 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(ctx, 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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// 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(ctx context.Context, repo *repo_model.Repository, skip, limit int) ([]*git.Branch, int, error) {
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return git.GetBranchesByPath(ctx, 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(ctx context.Context, repo *repo_model.Repository, name string) error {
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_, err := git.WalkReferences(ctx, repo.RepoPath(), func(_, refName string) error {
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branchRefName := strings.TrimPrefix(refName, git.BranchPrefix)
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switch {
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case branchRefName == name:
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return models.ErrBranchAlreadyExists{
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BranchName: name,
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}
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// If branchRefName like a/b but we want to create a branch named a then we have a conflict
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case strings.HasPrefix(branchRefName, name+"/"):
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return models.ErrBranchNameConflict{
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BranchName: branchRefName,
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}
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// Conversely if branchRefName like a but we want to create a branch named a/b then we also have a conflict
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case strings.HasPrefix(name, branchRefName+"/"):
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return models.ErrBranchNameConflict{
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BranchName: branchRefName,
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}
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case refName == git.TagPrefix+name:
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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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return err
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}
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// CreateNewBranchFromCommit creates a new repository branch
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func CreateNewBranchFromCommit(ctx context.Context, doer *user_model.User, repo *repo_model.Repository, commit, branchName string) (err error) {
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// Check if branch name can be used
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if err := checkBranchName(ctx, repo, branchName); err != nil {
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return err
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}
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if err := git.Push(ctx, 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 *repo_model.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 := models.RenameBranch(repo, 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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refID, err := gitRepo.GetRefCommitID(git.BranchPrefix + to)
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if err != nil {
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return "", err
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}
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notification.NotifyDeleteRef(doer, repo, "branch", git.BranchPrefix+from)
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notification.NotifyCreateRef(doer, repo, "branch", git.BranchPrefix+to, refID)
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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 *repo_model.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 := models.IsProtectedBranch(repo.ID, 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 := models.AddDeletedBranch(repo.ID, 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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