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forgejo/routers/web/repo/branch.go
JakobDev bf325d4412
Keep path when creating a new branch (#21153)
If you are create a new new branch while viewing file or directory, you
get redirected to the root of the repo. With this PR, you keep your
current path instead of getting redirected to the repo root.
2022-09-15 21:25:16 +08:00

432 lines
14 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"
git_model "code.gitea.io/gitea/models/git"
issues_model "code.gitea.io/gitea/models/issues"
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 *git_model.DeletedBranch
CommitsAhead int
CommitsBehind int
LatestPullRequest *issues_model.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.Doer.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)
defaultBranchBranch, branches, branchesCount := loadBranches(ctx, skip, limit)
if ctx.Written() {
return
}
ctx.Data["Branches"] = branches
ctx.Data["DefaultBranchBranch"] = defaultBranchBranch
pager := context.NewPagination(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.Doer, 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 := git_model.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: repo_module.PushingEnvironment(ctx.Doer, 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.Doer.ID,
PusherName: ctx.Doer.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, []*Branch, int) {
defaultBranch, err := ctx.Repo.GitRepo.GetBranch(ctx.Repo.Repository.DefaultBranch)
if err != nil {
if !git.IsErrBranchNotExist(err) {
log.Error("loadBranches: get default branch: %v", err)
ctx.ServerError("GetDefaultBranch", err)
return nil, nil, 0
}
log.Warn("loadBranches: missing default branch %s for %-v", ctx.Repo.Repository.DefaultBranch, ctx.Repo.Repository)
}
rawBranches, totalNumOfBranches, err := ctx.Repo.GitRepo.GetBranches(skip, limit)
if err != nil {
log.Error("GetBranches: %v", err)
ctx.ServerError("GetBranches", err)
return nil, nil, 0
}
protectedBranches, err := git_model.GetProtectedBranches(ctx.Repo.Repository.ID)
if err != nil {
ctx.ServerError("GetProtectedBranches", err)
return nil, 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 defaultBranch != nil && rawBranches[i].Name == defaultBranch.Name {
// Skip default branch
continue
}
branch := loadOneBranch(ctx, rawBranches[i], defaultBranch, protectedBranches, repoIDToRepo, repoIDToGitRepo)
if branch == nil {
return nil, nil, 0
}
branches = append(branches, branch)
}
var defaultBranchBranch *Branch
if defaultBranch != nil {
// Always add the default branch
log.Debug("loadOneBranch: load default: '%s'", defaultBranch.Name)
defaultBranchBranch = loadOneBranch(ctx, defaultBranch, defaultBranch, protectedBranches, repoIDToRepo, repoIDToGitRepo)
branches = append(branches, defaultBranchBranch)
}
if ctx.Repo.CanWrite(unit.TypeCode) {
deletedBranches, err := getDeletedBranches(ctx)
if err != nil {
ctx.ServerError("getDeletedBranches", err)
return nil, nil, 0
}
branches = append(branches, deletedBranches...)
}
return defaultBranchBranch, branches, totalNumOfBranches
}
func loadOneBranch(ctx *context.Context, rawBranch, defaultBranch *git.Branch, protectedBranches []*git_model.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 := &git.DivergeObject{
Ahead: -1,
Behind: -1,
}
if defaultBranch != nil {
divergence, err = files_service.CountDivergingCommits(ctx, ctx.Repo.Repository, git.BranchPrefix+branchName)
if err != nil {
log.Error("CountDivergingCommits", err)
}
}
pr, err := issues_model.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.LoadBaseRepoCtx(ctx); 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(ctx, 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 := git_model.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, ctx.Doer, ctx.Repo.Repository, target, form.NewBranchName, "")
} else if ctx.Repo.IsViewBranch {
err = repo_service.CreateNewBranch(ctx, ctx.Doer, ctx.Repo.Repository, ctx.Repo.BranchName, form.NewBranchName)
} else {
err = repo_service.CreateNewBranchFromCommit(ctx, ctx.Doer, ctx.Repo.Repository, ctx.Repo.CommitID, form.NewBranchName)
}
if err != nil {
if models.IsErrProtectedTagName(err) {
ctx.Flash.Error(ctx.Tr("repo.release.tag_name_protected"))
ctx.Redirect(ctx.Repo.RepoLink + "/src/" + ctx.Repo.BranchNameSubURL())
return
}
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) + "/" + util.PathEscapeSegments(form.CurrentPath))
}