mirror of
https://github.com/go-gitea/gitea
synced 2024-06-02 01:15:48 +00:00
320031fce6
Backport #11843 It's possible to push quite pathological appearing branch names to gitea using git push gitea reasonable-branch:refs/heads/-- at which point large parts of the UI will break. Similarly you can git push origin reasonable-tag:refs/tags/-- which wil return an error. This PR fixes the problems these cause. It also changes the code from creating branches to pushing to ensure that branch restoration has to pass hooks. Signed-off-by: Andrew Thornton <art27@cantab.net> Co-authored-by: techknowlogick <techknowlogick@gitea.io>
374 lines
11 KiB
Go
374 lines
11 KiB
Go
// Copyright 2014 The Gogs Authors. All rights reserved.
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// Copyright 2018 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 repo
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import (
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"fmt"
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"strings"
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"code.gitea.io/gitea/models"
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"code.gitea.io/gitea/modules/auth"
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"code.gitea.io/gitea/modules/base"
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"code.gitea.io/gitea/modules/context"
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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/repofiles"
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repo_module "code.gitea.io/gitea/modules/repository"
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"code.gitea.io/gitea/modules/util"
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"code.gitea.io/gitea/routers/utils"
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)
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const (
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tplBranch base.TplName = "repo/branch/list"
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)
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// Branch contains the branch information
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type Branch struct {
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Name string
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Commit *git.Commit
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IsProtected bool
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IsDeleted bool
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IsIncluded bool
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DeletedBranch *models.DeletedBranch
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CommitsAhead int
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CommitsBehind int
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LatestPullRequest *models.PullRequest
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MergeMovedOn bool
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}
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// Branches render repository branch page
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func Branches(ctx *context.Context) {
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ctx.Data["Title"] = "Branches"
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ctx.Data["IsRepoToolbarBranches"] = true
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ctx.Data["DefaultBranch"] = ctx.Repo.Repository.DefaultBranch
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ctx.Data["AllowsPulls"] = ctx.Repo.Repository.AllowsPulls()
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ctx.Data["IsWriter"] = ctx.Repo.CanWrite(models.UnitTypeCode)
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ctx.Data["IsMirror"] = ctx.Repo.Repository.IsMirror
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ctx.Data["CanPull"] = ctx.Repo.CanWrite(models.UnitTypeCode) || (ctx.IsSigned && ctx.User.HasForkedRepo(ctx.Repo.Repository.ID))
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ctx.Data["PageIsViewCode"] = true
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ctx.Data["PageIsBranches"] = true
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ctx.Data["Branches"] = loadBranches(ctx)
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ctx.HTML(200, tplBranch)
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}
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// DeleteBranchPost responses for delete merged branch
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func DeleteBranchPost(ctx *context.Context) {
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defer redirect(ctx)
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branchName := ctx.Query("name")
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if branchName == ctx.Repo.Repository.DefaultBranch {
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ctx.Flash.Error(ctx.Tr("repo.branch.default_deletion_failed", branchName))
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return
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}
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isProtected, err := ctx.Repo.Repository.IsProtectedBranch(branchName, ctx.User)
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if err != nil {
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log.Error("DeleteBranch: %v", err)
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ctx.Flash.Error(ctx.Tr("repo.branch.deletion_failed", branchName))
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return
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}
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if isProtected {
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ctx.Flash.Error(ctx.Tr("repo.branch.protected_deletion_failed", branchName))
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return
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}
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if !ctx.Repo.GitRepo.IsBranchExist(branchName) || branchName == ctx.Repo.Repository.DefaultBranch {
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ctx.Flash.Error(ctx.Tr("repo.branch.deletion_failed", branchName))
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return
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}
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if err := deleteBranch(ctx, branchName); err != nil {
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ctx.Flash.Error(ctx.Tr("repo.branch.deletion_failed", branchName))
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return
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}
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ctx.Flash.Success(ctx.Tr("repo.branch.deletion_success", branchName))
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}
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// RestoreBranchPost responses for delete merged branch
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func RestoreBranchPost(ctx *context.Context) {
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defer redirect(ctx)
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branchID := ctx.QueryInt64("branch_id")
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branchName := ctx.Query("name")
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deletedBranch, err := ctx.Repo.Repository.GetDeletedBranchByID(branchID)
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if err != nil {
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log.Error("GetDeletedBranchByID: %v", err)
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ctx.Flash.Error(ctx.Tr("repo.branch.restore_failed", branchName))
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return
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}
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if err := git.Push(ctx.Repo.Repository.RepoPath(), git.PushOptions{
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Remote: ctx.Repo.Repository.RepoPath(),
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Branch: fmt.Sprintf("%s:%s%s", deletedBranch.Commit, git.BranchPrefix, deletedBranch.Name),
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Env: models.PushingEnvironment(ctx.User, ctx.Repo.Repository),
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}); err != nil {
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if strings.Contains(err.Error(), "already exists") {
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ctx.Flash.Error(ctx.Tr("repo.branch.already_exists", deletedBranch.Name))
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return
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}
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log.Error("CreateBranch: %v", err)
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ctx.Flash.Error(ctx.Tr("repo.branch.restore_failed", deletedBranch.Name))
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return
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}
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// Don't return error below this
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if err := repofiles.PushUpdate(
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ctx.Repo.Repository,
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deletedBranch.Name,
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repofiles.PushUpdateOptions{
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RefFullName: git.BranchPrefix + deletedBranch.Name,
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OldCommitID: git.EmptySHA,
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NewCommitID: deletedBranch.Commit,
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PusherID: ctx.User.ID,
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PusherName: ctx.User.Name,
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RepoUserName: ctx.Repo.Owner.Name,
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RepoName: ctx.Repo.Repository.Name,
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}); err != nil {
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log.Error("Update: %v", err)
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}
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ctx.Flash.Success(ctx.Tr("repo.branch.restore_success", deletedBranch.Name))
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}
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func redirect(ctx *context.Context) {
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ctx.JSON(200, map[string]interface{}{
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"redirect": ctx.Repo.RepoLink + "/branches",
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})
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}
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func deleteBranch(ctx *context.Context, branchName string) error {
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commit, err := ctx.Repo.GitRepo.GetBranchCommit(branchName)
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if err != nil {
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log.Error("GetBranchCommit: %v", err)
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return err
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}
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if err := ctx.Repo.GitRepo.DeleteBranch(branchName, git.DeleteBranchOptions{
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Force: true,
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}); err != nil {
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log.Error("DeleteBranch: %v", err)
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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 := repofiles.PushUpdate(
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ctx.Repo.Repository,
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branchName,
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repofiles.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: ctx.User.ID,
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PusherName: ctx.User.Name,
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RepoUserName: ctx.Repo.Owner.Name,
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RepoName: ctx.Repo.Repository.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 := ctx.Repo.Repository.AddDeletedBranch(branchName, commit.ID.String(), ctx.User.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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func loadBranches(ctx *context.Context) []*Branch {
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rawBranches, err := repo_module.GetBranches(ctx.Repo.Repository)
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if err != nil {
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ctx.ServerError("GetBranches", err)
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return nil
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}
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protectedBranches, err := ctx.Repo.Repository.GetProtectedBranches()
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if err != nil {
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ctx.ServerError("GetProtectedBranches", err)
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return nil
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}
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repoIDToRepo := map[int64]*models.Repository{}
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repoIDToRepo[ctx.Repo.Repository.ID] = ctx.Repo.Repository
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repoIDToGitRepo := map[int64]*git.Repository{}
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repoIDToGitRepo[ctx.Repo.Repository.ID] = ctx.Repo.GitRepo
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branches := make([]*Branch, len(rawBranches))
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for i := range rawBranches {
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commit, err := rawBranches[i].GetCommit()
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if err != nil {
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ctx.ServerError("GetCommit", err)
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return nil
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}
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var isProtected bool
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branchName := rawBranches[i].Name
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for _, b := range protectedBranches {
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if b.BranchName == branchName {
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isProtected = true
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break
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}
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}
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divergence, divergenceError := repofiles.CountDivergingCommits(ctx.Repo.Repository, git.BranchPrefix+branchName)
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if divergenceError != nil {
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ctx.ServerError("CountDivergingCommits", divergenceError)
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return nil
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}
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pr, err := models.GetLatestPullRequestByHeadInfo(ctx.Repo.Repository.ID, branchName)
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if err != nil {
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ctx.ServerError("GetLatestPullRequestByHeadInfo", err)
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return nil
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}
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headCommit := commit.ID.String()
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mergeMovedOn := false
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if pr != nil {
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pr.HeadRepo = ctx.Repo.Repository
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if err := pr.LoadIssue(); err != nil {
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ctx.ServerError("pr.LoadIssue", err)
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return nil
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}
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if repo, ok := repoIDToRepo[pr.BaseRepoID]; ok {
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pr.BaseRepo = repo
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} else if err := pr.LoadBaseRepo(); err != nil {
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ctx.ServerError("pr.LoadBaseRepo", err)
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return nil
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} else {
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repoIDToRepo[pr.BaseRepoID] = pr.BaseRepo
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}
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pr.Issue.Repo = pr.BaseRepo
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if pr.HasMerged {
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baseGitRepo, ok := repoIDToGitRepo[pr.BaseRepoID]
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if !ok {
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baseGitRepo, err = git.OpenRepository(pr.BaseRepo.RepoPath())
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if err != nil {
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ctx.ServerError("OpenRepository", err)
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return nil
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}
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defer baseGitRepo.Close()
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repoIDToGitRepo[pr.BaseRepoID] = baseGitRepo
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}
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pullCommit, err := baseGitRepo.GetRefCommitID(pr.GetGitRefName())
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if err != nil && !git.IsErrNotExist(err) {
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ctx.ServerError("GetBranchCommitID", err)
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return nil
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}
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if err == nil && headCommit != pullCommit {
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// the head has moved on from the merge - we shouldn't delete
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mergeMovedOn = true
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}
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}
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}
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isIncluded := divergence.Ahead == 0 && ctx.Repo.Repository.DefaultBranch != branchName
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branches[i] = &Branch{
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Name: branchName,
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Commit: commit,
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IsProtected: isProtected,
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IsIncluded: isIncluded,
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CommitsAhead: divergence.Ahead,
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CommitsBehind: divergence.Behind,
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LatestPullRequest: pr,
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MergeMovedOn: mergeMovedOn,
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}
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}
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if ctx.Repo.CanWrite(models.UnitTypeCode) {
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deletedBranches, err := getDeletedBranches(ctx)
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if err != nil {
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ctx.ServerError("getDeletedBranches", err)
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return nil
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}
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branches = append(branches, deletedBranches...)
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}
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return branches
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}
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func getDeletedBranches(ctx *context.Context) ([]*Branch, error) {
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branches := []*Branch{}
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deletedBranches, err := ctx.Repo.Repository.GetDeletedBranches()
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if err != nil {
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return branches, err
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}
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for i := range deletedBranches {
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deletedBranches[i].LoadUser()
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branches = append(branches, &Branch{
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Name: deletedBranches[i].Name,
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IsDeleted: true,
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DeletedBranch: deletedBranches[i],
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})
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}
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return branches, nil
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}
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// CreateBranch creates new branch in repository
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func CreateBranch(ctx *context.Context, form auth.NewBranchForm) {
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if !ctx.Repo.CanCreateBranch() {
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ctx.NotFound("CreateBranch", nil)
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return
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}
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if ctx.HasError() {
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ctx.Flash.Error(ctx.GetErrMsg())
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ctx.Redirect(ctx.Repo.RepoLink + "/src/" + ctx.Repo.BranchNameSubURL())
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return
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}
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var err error
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if ctx.Repo.IsViewBranch {
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err = repo_module.CreateNewBranch(ctx.User, ctx.Repo.Repository, ctx.Repo.BranchName, form.NewBranchName)
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} else if ctx.Repo.IsViewTag {
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err = repo_module.CreateNewBranchFromCommit(ctx.User, ctx.Repo.Repository, ctx.Repo.CommitID, form.NewBranchName)
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} else {
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err = repo_module.CreateNewBranchFromCommit(ctx.User, ctx.Repo.Repository, ctx.Repo.BranchName, form.NewBranchName)
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}
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if err != nil {
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if models.IsErrTagAlreadyExists(err) {
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e := err.(models.ErrTagAlreadyExists)
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ctx.Flash.Error(ctx.Tr("repo.branch.tag_collision", e.TagName))
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ctx.Redirect(ctx.Repo.RepoLink + "/src/" + ctx.Repo.BranchNameSubURL())
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return
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}
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if models.IsErrBranchAlreadyExists(err) || git.IsErrPushOutOfDate(err) {
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ctx.Flash.Error(ctx.Tr("repo.branch.branch_already_exists", form.NewBranchName))
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ctx.Redirect(ctx.Repo.RepoLink + "/src/" + ctx.Repo.BranchNameSubURL())
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return
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}
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if models.IsErrBranchNameConflict(err) {
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e := err.(models.ErrBranchNameConflict)
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ctx.Flash.Error(ctx.Tr("repo.branch.branch_name_conflict", form.NewBranchName, e.BranchName))
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ctx.Redirect(ctx.Repo.RepoLink + "/src/" + ctx.Repo.BranchNameSubURL())
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return
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}
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if git.IsErrPushRejected(err) {
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e := err.(*git.ErrPushRejected)
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if len(e.Message) == 0 {
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ctx.Flash.Error(ctx.Tr("repo.editor.push_rejected_no_message"))
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} else {
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ctx.Flash.Error(ctx.Tr("repo.editor.push_rejected", utils.SanitizeFlashErrorString(e.Message)))
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}
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ctx.Redirect(ctx.Repo.RepoLink + "/src/" + ctx.Repo.BranchNameSubURL())
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return
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}
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ctx.ServerError("CreateNewBranch", err)
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return
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}
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ctx.Flash.Success(ctx.Tr("repo.branch.create_success", form.NewBranchName))
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ctx.Redirect(ctx.Repo.RepoLink + "/src/branch/" + util.PathEscapeSegments(form.NewBranchName))
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}
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