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gitea/routers/web/repo/branch.go
2021-12-15 14:59:57 +08:00

410 lines
13 KiB
Go

// Copyright 2014 The Gogs Authors. All rights reserved.
// Copyright 2018 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package repo
import (
"errors"
"fmt"
"net/http"
"strings"
"code.gitea.io/gitea/models"
repo_model "code.gitea.io/gitea/models/repo"
"code.gitea.io/gitea/models/unit"
"code.gitea.io/gitea/modules/base"
"code.gitea.io/gitea/modules/context"
"code.gitea.io/gitea/modules/git"
"code.gitea.io/gitea/modules/log"
repo_module "code.gitea.io/gitea/modules/repository"
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/modules/util"
"code.gitea.io/gitea/modules/web"
"code.gitea.io/gitea/routers/utils"
"code.gitea.io/gitea/services/forms"
release_service "code.gitea.io/gitea/services/release"
repo_service "code.gitea.io/gitea/services/repository"
files_service "code.gitea.io/gitea/services/repository/files"
)
const (
tplBranch base.TplName = "repo/branch/list"
)
// Branch contains the branch information
type Branch struct {
Name string
Commit *git.Commit
IsProtected bool
IsDeleted bool
IsIncluded bool
DeletedBranch *models.DeletedBranch
CommitsAhead int
CommitsBehind int
LatestPullRequest *models.PullRequest
MergeMovedOn bool
}
// Branches render repository branch page
func Branches(ctx *context.Context) {
ctx.Data["Title"] = "Branches"
ctx.Data["IsRepoToolbarBranches"] = true
ctx.Data["DefaultBranch"] = ctx.Repo.Repository.DefaultBranch
ctx.Data["AllowsPulls"] = ctx.Repo.Repository.AllowsPulls()
ctx.Data["IsWriter"] = ctx.Repo.CanWrite(unit.TypeCode)
ctx.Data["IsMirror"] = ctx.Repo.Repository.IsMirror
ctx.Data["CanPull"] = ctx.Repo.CanWrite(unit.TypeCode) ||
(ctx.IsSigned && repo_model.HasForkedRepo(ctx.User.ID, ctx.Repo.Repository.ID))
ctx.Data["PageIsViewCode"] = true
ctx.Data["PageIsBranches"] = true
page := ctx.FormInt("page")
if page <= 1 {
page = 1
}
limit := ctx.FormInt("limit")
if limit <= 0 || limit > setting.Git.BranchesRangeSize {
limit = setting.Git.BranchesRangeSize
}
skip := (page - 1) * limit
log.Debug("Branches: skip: %d limit: %d", skip, limit)
branches, branchesCount := loadBranches(ctx, skip, limit)
if ctx.Written() {
return
}
ctx.Data["Branches"] = branches
pager := context.NewPagination(int(branchesCount), setting.Git.BranchesRangeSize, page, 5)
pager.SetDefaultParams(ctx)
ctx.Data["Page"] = pager
ctx.HTML(http.StatusOK, tplBranch)
}
// DeleteBranchPost responses for delete merged branch
func DeleteBranchPost(ctx *context.Context) {
defer redirect(ctx)
branchName := ctx.FormString("name")
if err := repo_service.DeleteBranch(ctx.User, ctx.Repo.Repository, ctx.Repo.GitRepo, branchName); err != nil {
switch {
case git.IsErrBranchNotExist(err):
log.Debug("DeleteBranch: Can't delete non existing branch '%s'", branchName)
ctx.Flash.Error(ctx.Tr("repo.branch.deletion_failed", branchName))
case errors.Is(err, repo_service.ErrBranchIsDefault):
log.Debug("DeleteBranch: Can't delete default branch '%s'", branchName)
ctx.Flash.Error(ctx.Tr("repo.branch.default_deletion_failed", branchName))
case errors.Is(err, repo_service.ErrBranchIsProtected):
log.Debug("DeleteBranch: Can't delete protected branch '%s'", branchName)
ctx.Flash.Error(ctx.Tr("repo.branch.protected_deletion_failed", branchName))
default:
log.Error("DeleteBranch: %v", err)
ctx.Flash.Error(ctx.Tr("repo.branch.deletion_failed", branchName))
}
return
}
ctx.Flash.Success(ctx.Tr("repo.branch.deletion_success", branchName))
}
// RestoreBranchPost responses for delete merged branch
func RestoreBranchPost(ctx *context.Context) {
defer redirect(ctx)
branchID := ctx.FormInt64("branch_id")
branchName := ctx.FormString("name")
deletedBranch, err := models.GetDeletedBranchByID(ctx.Repo.Repository.ID, branchID)
if err != nil {
log.Error("GetDeletedBranchByID: %v", err)
ctx.Flash.Error(ctx.Tr("repo.branch.restore_failed", branchName))
return
}
if err := git.Push(ctx, ctx.Repo.Repository.RepoPath(), git.PushOptions{
Remote: ctx.Repo.Repository.RepoPath(),
Branch: fmt.Sprintf("%s:%s%s", deletedBranch.Commit, git.BranchPrefix, deletedBranch.Name),
Env: models.PushingEnvironment(ctx.User, ctx.Repo.Repository),
}); err != nil {
if strings.Contains(err.Error(), "already exists") {
log.Debug("RestoreBranch: Can't restore branch '%s', since one with same name already exist", deletedBranch.Name)
ctx.Flash.Error(ctx.Tr("repo.branch.already_exists", deletedBranch.Name))
return
}
log.Error("RestoreBranch: CreateBranch: %v", err)
ctx.Flash.Error(ctx.Tr("repo.branch.restore_failed", deletedBranch.Name))
return
}
// Don't return error below this
if err := repo_service.PushUpdate(
&repo_module.PushUpdateOptions{
RefFullName: git.BranchPrefix + deletedBranch.Name,
OldCommitID: git.EmptySHA,
NewCommitID: deletedBranch.Commit,
PusherID: ctx.User.ID,
PusherName: ctx.User.Name,
RepoUserName: ctx.Repo.Owner.Name,
RepoName: ctx.Repo.Repository.Name,
}); err != nil {
log.Error("RestoreBranch: Update: %v", err)
}
ctx.Flash.Success(ctx.Tr("repo.branch.restore_success", deletedBranch.Name))
}
func redirect(ctx *context.Context) {
ctx.JSON(http.StatusOK, map[string]interface{}{
"redirect": ctx.Repo.RepoLink + "/branches",
})
}
// loadBranches loads branches from the repository limited by page & pageSize.
// NOTE: May write to context on error.
func loadBranches(ctx *context.Context, skip, limit int) ([]*Branch, int) {
defaultBranch, err := ctx.Repo.GitRepo.GetBranch(ctx.Repo.Repository.DefaultBranch)
if err != nil {
log.Error("loadBranches: get default branch: %v", err)
ctx.ServerError("GetDefaultBranch", err)
return nil, 0
}
rawBranches, totalNumOfBranches, err := ctx.Repo.GitRepo.GetBranches(skip, limit)
if err != nil {
log.Error("GetBranches: %v", err)
ctx.ServerError("GetBranches", err)
return nil, 0
}
protectedBranches, err := models.GetProtectedBranches(ctx.Repo.Repository.ID)
if err != nil {
ctx.ServerError("GetProtectedBranches", err)
return nil, 0
}
repoIDToRepo := map[int64]*repo_model.Repository{}
repoIDToRepo[ctx.Repo.Repository.ID] = ctx.Repo.Repository
repoIDToGitRepo := map[int64]*git.Repository{}
repoIDToGitRepo[ctx.Repo.Repository.ID] = ctx.Repo.GitRepo
var branches []*Branch
for i := range rawBranches {
if rawBranches[i].Name == defaultBranch.Name {
// Skip default branch
continue
}
var branch = loadOneBranch(ctx, rawBranches[i], protectedBranches, repoIDToRepo, repoIDToGitRepo)
if branch == nil {
return nil, 0
}
branches = append(branches, branch)
}
// Always add the default branch
log.Debug("loadOneBranch: load default: '%s'", defaultBranch.Name)
branches = append(branches, loadOneBranch(ctx, defaultBranch, protectedBranches, repoIDToRepo, repoIDToGitRepo))
if ctx.Repo.CanWrite(unit.TypeCode) {
deletedBranches, err := getDeletedBranches(ctx)
if err != nil {
ctx.ServerError("getDeletedBranches", err)
return nil, 0
}
branches = append(branches, deletedBranches...)
}
return branches, totalNumOfBranches
}
func loadOneBranch(ctx *context.Context, rawBranch *git.Branch, protectedBranches []*models.ProtectedBranch,
repoIDToRepo map[int64]*repo_model.Repository,
repoIDToGitRepo map[int64]*git.Repository) *Branch {
log.Trace("loadOneBranch: '%s'", rawBranch.Name)
commit, err := rawBranch.GetCommit()
if err != nil {
ctx.ServerError("GetCommit", err)
return nil
}
branchName := rawBranch.Name
var isProtected bool
for _, b := range protectedBranches {
if b.BranchName == branchName {
isProtected = true
break
}
}
divergence, divergenceError := files_service.CountDivergingCommits(ctx.Repo.Repository, git.BranchPrefix+branchName)
if divergenceError != nil {
ctx.ServerError("CountDivergingCommits", divergenceError)
return nil
}
pr, err := models.GetLatestPullRequestByHeadInfo(ctx.Repo.Repository.ID, branchName)
if err != nil {
ctx.ServerError("GetLatestPullRequestByHeadInfo", err)
return nil
}
headCommit := commit.ID.String()
mergeMovedOn := false
if pr != nil {
pr.HeadRepo = ctx.Repo.Repository
if err := pr.LoadIssue(); err != nil {
ctx.ServerError("pr.LoadIssue", err)
return nil
}
if repo, ok := repoIDToRepo[pr.BaseRepoID]; ok {
pr.BaseRepo = repo
} else if err := pr.LoadBaseRepo(); err != nil {
ctx.ServerError("pr.LoadBaseRepo", err)
return nil
} else {
repoIDToRepo[pr.BaseRepoID] = pr.BaseRepo
}
pr.Issue.Repo = pr.BaseRepo
if pr.HasMerged {
baseGitRepo, ok := repoIDToGitRepo[pr.BaseRepoID]
if !ok {
baseGitRepo, err = git.OpenRepository(pr.BaseRepo.RepoPath())
if err != nil {
ctx.ServerError("OpenRepository", err)
return nil
}
defer baseGitRepo.Close()
repoIDToGitRepo[pr.BaseRepoID] = baseGitRepo
}
pullCommit, err := baseGitRepo.GetRefCommitID(pr.GetGitRefName())
if err != nil && !git.IsErrNotExist(err) {
ctx.ServerError("GetBranchCommitID", err)
return nil
}
if err == nil && headCommit != pullCommit {
// the head has moved on from the merge - we shouldn't delete
mergeMovedOn = true
}
}
}
isIncluded := divergence.Ahead == 0 && ctx.Repo.Repository.DefaultBranch != branchName
return &Branch{
Name: branchName,
Commit: commit,
IsProtected: isProtected,
IsIncluded: isIncluded,
CommitsAhead: divergence.Ahead,
CommitsBehind: divergence.Behind,
LatestPullRequest: pr,
MergeMovedOn: mergeMovedOn,
}
}
func getDeletedBranches(ctx *context.Context) ([]*Branch, error) {
branches := []*Branch{}
deletedBranches, err := models.GetDeletedBranches(ctx.Repo.Repository.ID)
if err != nil {
return branches, err
}
for i := range deletedBranches {
deletedBranches[i].LoadUser()
branches = append(branches, &Branch{
Name: deletedBranches[i].Name,
IsDeleted: true,
DeletedBranch: deletedBranches[i],
})
}
return branches, nil
}
// CreateBranch creates new branch in repository
func CreateBranch(ctx *context.Context) {
form := web.GetForm(ctx).(*forms.NewBranchForm)
if !ctx.Repo.CanCreateBranch() {
ctx.NotFound("CreateBranch", nil)
return
}
if ctx.HasError() {
ctx.Flash.Error(ctx.GetErrMsg())
ctx.Redirect(ctx.Repo.RepoLink + "/src/" + ctx.Repo.BranchNameSubURL())
return
}
var err error
if form.CreateTag {
target := ctx.Repo.CommitID
if ctx.Repo.IsViewBranch {
target = ctx.Repo.BranchName
}
err = release_service.CreateNewTag(ctx.User, ctx.Repo.Repository, target, form.NewBranchName, "")
} else if ctx.Repo.IsViewBranch {
err = repo_service.CreateNewBranch(ctx.User, ctx.Repo.Repository, ctx.Repo.BranchName, form.NewBranchName)
} else {
err = repo_service.CreateNewBranchFromCommit(ctx.User, ctx.Repo.Repository, ctx.Repo.CommitID, form.NewBranchName)
}
if err != nil {
if models.IsErrTagAlreadyExists(err) {
e := err.(models.ErrTagAlreadyExists)
ctx.Flash.Error(ctx.Tr("repo.branch.tag_collision", e.TagName))
ctx.Redirect(ctx.Repo.RepoLink + "/src/" + ctx.Repo.BranchNameSubURL())
return
}
if models.IsErrBranchAlreadyExists(err) || git.IsErrPushOutOfDate(err) {
ctx.Flash.Error(ctx.Tr("repo.branch.branch_already_exists", form.NewBranchName))
ctx.Redirect(ctx.Repo.RepoLink + "/src/" + ctx.Repo.BranchNameSubURL())
return
}
if models.IsErrBranchNameConflict(err) {
e := err.(models.ErrBranchNameConflict)
ctx.Flash.Error(ctx.Tr("repo.branch.branch_name_conflict", form.NewBranchName, e.BranchName))
ctx.Redirect(ctx.Repo.RepoLink + "/src/" + ctx.Repo.BranchNameSubURL())
return
}
if git.IsErrPushRejected(err) {
e := err.(*git.ErrPushRejected)
if len(e.Message) == 0 {
ctx.Flash.Error(ctx.Tr("repo.editor.push_rejected_no_message"))
} else {
flashError, err := ctx.RenderToString(tplAlertDetails, map[string]interface{}{
"Message": ctx.Tr("repo.editor.push_rejected"),
"Summary": ctx.Tr("repo.editor.push_rejected_summary"),
"Details": utils.SanitizeFlashErrorString(e.Message),
})
if err != nil {
ctx.ServerError("UpdatePullRequest.HTMLString", err)
return
}
ctx.Flash.Error(flashError)
}
ctx.Redirect(ctx.Repo.RepoLink + "/src/" + ctx.Repo.BranchNameSubURL())
return
}
ctx.ServerError("CreateNewBranch", err)
return
}
if form.CreateTag {
ctx.Flash.Success(ctx.Tr("repo.tag.create_success", form.NewBranchName))
ctx.Redirect(ctx.Repo.RepoLink + "/src/tag/" + util.PathEscapeSegments(form.NewBranchName))
return
}
ctx.Flash.Success(ctx.Tr("repo.branch.create_success", form.NewBranchName))
ctx.Redirect(ctx.Repo.RepoLink + "/src/branch/" + util.PathEscapeSegments(form.NewBranchName))
}