mirror of
https://github.com/go-gitea/gitea.git
synced 2024-10-29 08:17:31 -04:00
164 lines
4.7 KiB
Go
164 lines
4.7 KiB
Go
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// Copyright 2020 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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"fmt"
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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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)
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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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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 all the branches of a repository
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func GetBranches(repo *models.Repository) ([]*git.Branch, error) {
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return git.GetBranchesByPath(repo.RepoPath())
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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)
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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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// CreateNewBranch creates a new repository branch
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func CreateNewBranch(doer *models.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(repo.RepoPath(), oldBranchName) {
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return fmt.Errorf("OldBranch: %s does not exist. Cannot create new branch from this", oldBranchName)
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}
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basePath, err := models.CreateTemporaryPath("branch-maker")
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if err != nil {
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return err
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}
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defer func() {
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if err := models.RemoveTemporaryPath(basePath); err != nil {
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log.Error("CreateNewBranch: RemoveTemporaryPath: %s", err)
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}
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}()
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if err := git.Clone(repo.RepoPath(), basePath, git.CloneRepoOptions{
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Bare: true,
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Shared: true,
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}); err != nil {
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log.Error("Failed to clone repository: %s (%v)", repo.FullName(), err)
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return fmt.Errorf("Failed to clone repository: %s (%v)", repo.FullName(), err)
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}
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gitRepo, err := git.OpenRepository(basePath)
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if err != nil {
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log.Error("Unable to open temporary repository: %s (%v)", basePath, err)
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return fmt.Errorf("Failed to open new temporary repository in: %s %v", basePath, err)
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}
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defer gitRepo.Close()
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if err = gitRepo.CreateBranch(branchName, oldBranchName); err != nil {
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log.Error("Unable to create branch: %s from %s. (%v)", branchName, oldBranchName, err)
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return fmt.Errorf("Unable to create branch: %s from %s. (%v)", branchName, oldBranchName, err)
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}
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if err = git.Push(basePath, git.PushOptions{
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Remote: "origin",
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Branch: branchName,
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Env: models.PushingEnvironment(doer, repo),
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}); err != nil {
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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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// CreateNewBranchFromCommit creates a new repository branch
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func CreateNewBranchFromCommit(doer *models.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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basePath, err := models.CreateTemporaryPath("branch-maker")
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if err != nil {
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return err
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}
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defer func() {
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if err := models.RemoveTemporaryPath(basePath); err != nil {
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log.Error("CreateNewBranchFromCommit: RemoveTemporaryPath: %s", err)
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}
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}()
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if err := git.Clone(repo.RepoPath(), basePath, git.CloneRepoOptions{
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Bare: true,
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Shared: true,
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}); err != nil {
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log.Error("Failed to clone repository: %s (%v)", repo.FullName(), err)
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return fmt.Errorf("Failed to clone repository: %s (%v)", repo.FullName(), err)
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}
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gitRepo, err := git.OpenRepository(basePath)
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if err != nil {
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log.Error("Unable to open temporary repository: %s (%v)", basePath, err)
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return fmt.Errorf("Failed to open new temporary repository in: %s %v", basePath, err)
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}
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defer gitRepo.Close()
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if err = gitRepo.CreateBranch(branchName, commit); err != nil {
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log.Error("Unable to create branch: %s from %s. (%v)", branchName, commit, err)
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return fmt.Errorf("Unable to create branch: %s from %s. (%v)", branchName, commit, err)
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}
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if err = git.Push(basePath, git.PushOptions{
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Remote: "origin",
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Branch: branchName,
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Env: models.PushingEnvironment(doer, repo),
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}); err != nil {
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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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