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Create new branch from branch selection dropdown (#2130)

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* Create new branch from branch selection dropdown and rewrite it to VueJS

* Make updateLocalCopyToCommit as not exported

* Move branch name validation to model

* Fix possible race condition
This commit is contained in:
Lauris BH 2017-10-15 22:59:24 +03:00 • committed by GitHub
parent c25303b11c
commit f3833b7ce4
14 changed files with 641 additions and 69 deletions
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45
models/error.go
View file

@ -649,6 +649,51 @@ func (err ErrBranchNotExist) Error() string {
return fmt.Sprintf("branch does not exist [name: %s]", err.Name)
}
// ErrBranchAlreadyExists represents an error that branch with such name already exists
type ErrBranchAlreadyExists struct {
BranchName string
}
// IsErrBranchAlreadyExists checks if an error is an ErrBranchAlreadyExists.
func IsErrBranchAlreadyExists(err error) bool {
_, ok := err.(ErrBranchAlreadyExists)
return ok
}
func (err ErrBranchAlreadyExists) Error() string {
return fmt.Sprintf("branch already exists [name: %s]", err.BranchName)
}
// ErrBranchNameConflict represents an error that branch name conflicts with other branch
type ErrBranchNameConflict struct {
BranchName string
}
// IsErrBranchNameConflict checks if an error is an ErrBranchNameConflict.
func IsErrBranchNameConflict(err error) bool {
_, ok := err.(ErrBranchNameConflict)
return ok
}
func (err ErrBranchNameConflict) Error() string {
return fmt.Sprintf("branch conflicts with existing branch [name: %s]", err.BranchName)
}
// ErrTagAlreadyExists represents an error that tag with such name already exists
type ErrTagAlreadyExists struct {
TagName string
}
// IsErrTagAlreadyExists checks if an error is an ErrTagAlreadyExists.
func IsErrTagAlreadyExists(err error) bool {
_, ok := err.(ErrTagAlreadyExists)
return ok
}
func (err ErrTagAlreadyExists) Error() string {
return fmt.Sprintf("tag already exists [name: %s]", err.TagName)
}
// __ __ ___. .__ __
// / \ / \ ____\_ |__ | |__ ____ ____ | | __
// \ \/\/ // __ \| __ \| | \ / _ \ / _ \| |/ /

35
models/repo.go
View file

@ -2426,38 +2426,3 @@ func (repo *Repository) GetUserFork(userID int64) (*Repository, error) {
}
return &forkedRepo, nil
}
// __________ .__
// \______ \____________ ____ ____ | |__
// | | _/\_ __ \__ \ / \_/ ___\| | \
// | | \ | | \// __ \| | \ \___| Y \
// |______ / |__| (____ /___| /\___ >___| /
// \/ \/ \/ \/ \/
//
// CreateNewBranch creates a new repository branch
func (repo *Repository) CreateNewBranch(doer *User, oldBranchName, branchName string) (err error) {
repoWorkingPool.CheckIn(com.ToStr(repo.ID))
defer repoWorkingPool.CheckOut(com.ToStr(repo.ID))
localPath := repo.LocalCopyPath()
if err = discardLocalRepoBranchChanges(localPath, oldBranchName); err != nil {
return fmt.Errorf("discardLocalRepoChanges: %v", err)
} else if err = repo.UpdateLocalCopyBranch(oldBranchName); err != nil {
return fmt.Errorf("UpdateLocalCopyBranch: %v", err)
}
if err = repo.CheckoutNewBranch(oldBranchName, branchName); err != nil {
return fmt.Errorf("CreateNewBranch: %v", err)
}
if err = git.Push(localPath, git.PushOptions{
Remote: "origin",
Branch: branchName,
}); err != nil {
return fmt.Errorf("Push: %v", err)
}
return nil
}

133
models/repo_branch.go
View file

@ -5,7 +5,13 @@
package models
import (
"fmt"
"time"
"code.gitea.io/git"
"code.gitea.io/gitea/modules/setting"
"github.com/Unknwon/com"
)
// Branch holds the branch information
@ -36,6 +42,11 @@ func GetBranchesByPath(path string) ([]*Branch, error) {
return branches, nil
}
// CanCreateBranch returns true if repository meets the requirements for creating new branches.
func (repo *Repository) CanCreateBranch() bool {
return !repo.IsMirror
}
// GetBranch returns a branch by it's name
func (repo *Repository) GetBranch(branch string) (*Branch, error) {
if !git.IsBranchExist(repo.RepoPath(), branch) {
@ -52,6 +63,128 @@ func (repo *Repository) GetBranches() ([]*Branch, error) {
return GetBranchesByPath(repo.RepoPath())
}
// CheckBranchName validates branch name with existing repository branches
func (repo *Repository) CheckBranchName(name string) error {
gitRepo, err := git.OpenRepository(repo.RepoPath())
if err != nil {
return err
}
if _, err := gitRepo.GetTag(name); err == nil {
return ErrTagAlreadyExists{name}
}
branches, err := repo.GetBranches()
if err != nil {
return err
}
for _, branch := range branches {
if branch.Name == name {
return ErrBranchAlreadyExists{branch.Name}
} else if (len(branch.Name) < len(name) && branch.Name+"/" == name[0:len(branch.Name)+1]) ||
(len(branch.Name) > len(name) && name+"/" == branch.Name[0:len(name)+1]) {
return ErrBranchNameConflict{branch.Name}
}
}
return nil
}
// CreateNewBranch creates a new repository branch
func (repo *Repository) CreateNewBranch(doer *User, oldBranchName, branchName string) (err error) {
repoWorkingPool.CheckIn(com.ToStr(repo.ID))
defer repoWorkingPool.CheckOut(com.ToStr(repo.ID))
// Check if branch name can be used
if err := repo.CheckBranchName(branchName); err != nil {
return err
}
localPath := repo.LocalCopyPath()
if err = discardLocalRepoBranchChanges(localPath, oldBranchName); err != nil {
return fmt.Errorf("discardLocalRepoChanges: %v", err)
} else if err = repo.UpdateLocalCopyBranch(oldBranchName); err != nil {
return fmt.Errorf("UpdateLocalCopyBranch: %v", err)
}
if err = repo.CheckoutNewBranch(oldBranchName, branchName); err != nil {
return fmt.Errorf("CreateNewBranch: %v", err)
}
if err = git.Push(localPath, git.PushOptions{
Remote: "origin",
Branch: branchName,
}); err != nil {
return fmt.Errorf("Push: %v", err)
}
return nil
}
// updateLocalCopyToCommit pulls latest changes of given commit from repoPath to localPath.
// It creates a new clone if local copy does not exist.
// This function checks out target commit by default, it is safe to assume subsequent
// operations are operating against target commit when caller has confidence for no race condition.
func updateLocalCopyToCommit(repoPath, localPath, commit string) error {
if !com.IsExist(localPath) {
if err := git.Clone(repoPath, localPath, git.CloneRepoOptions{
Timeout: time.Duration(setting.Git.Timeout.Clone) * time.Second,
}); err != nil {
return fmt.Errorf("git clone: %v", err)
}
} else {
_, err := git.NewCommand("fetch", "origin").RunInDir(localPath)
if err != nil {
return fmt.Errorf("git fetch origin: %v", err)
}
if err := git.ResetHEAD(localPath, true, "HEAD"); err != nil {
return fmt.Errorf("git reset --hard HEAD: %v", err)
}
}
if err := git.Checkout(localPath, git.CheckoutOptions{
Branch: commit,
}); err != nil {
return fmt.Errorf("git checkout %s: %v", commit, err)
}
return nil
}
// updateLocalCopyToCommit makes sure local copy of repository is at given commit.
func (repo *Repository) updateLocalCopyToCommit(commit string) error {
return updateLocalCopyToCommit(repo.RepoPath(), repo.LocalCopyPath(), commit)
}
// CreateNewBranchFromCommit creates a new repository branch
func (repo *Repository) CreateNewBranchFromCommit(doer *User, commit, branchName string) (err error) {
repoWorkingPool.CheckIn(com.ToStr(repo.ID))
defer repoWorkingPool.CheckOut(com.ToStr(repo.ID))
// Check if branch name can be used
if err := repo.CheckBranchName(branchName); err != nil {
return err
}
localPath := repo.LocalCopyPath()
if err = repo.updateLocalCopyToCommit(commit); err != nil {
return fmt.Errorf("UpdateLocalCopyBranch: %v", err)
}
if err = repo.CheckoutNewBranch(commit, branchName); err != nil {
return fmt.Errorf("CheckoutNewBranch: %v", err)
}
if err = git.Push(localPath, git.PushOptions{
Remote: "origin",
Branch: branchName,
}); err != nil {
return fmt.Errorf("Push: %v", err)
}
return nil
}
// GetCommit returns all the commits of a branch
func (branch *Branch) GetCommit() (*git.Commit, error) {
gitRepo, err := git.OpenRepository(branch.Path)