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Protect default branch against deletion (#11115)

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Although default branch is not offered for deletion in the templates, we need to prevent it both at the router level and in the pre-receive hook.

Co-authored-by: Andrew Thornton <art27@cantab.net>
Co-authored-by: Lauris BH <lauris@nix.lv>
This commit is contained in:
6543 2020-05-06 13:08:45 +02:00 committed by GitHub
parent a1f11a05e9
commit 505e456f26
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GPG key ID: 4AEE18F83AFDEB23
3 changed files with 14 additions and 1 deletions
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1
options/locale/locale_en-US.ini
View file

@ -1683,6 +1683,7 @@ branch.deleted_by = Deleted by %s
branch.restore_success = Branch '%s' has been restored.
branch.restore_failed = Failed to restore branch '%s'.
branch.protected_deletion_failed = Branch '%s' is protected. It cannot be deleted.
branch.default_deletion_failed = Branch '%s' is the default branch. It cannot be deleted.
branch.restore = Restore Branch '%s'
branch.download = Download Branch '%s'
branch.included_desc = This branch is part of the default branch

8
routers/private/hook.go
View file

@ -206,6 +206,14 @@ func HookPreReceive(ctx *macaron.Context, opts private.HookOptions) {
refFullName := opts.RefFullNames[i]
branchName := strings.TrimPrefix(refFullName, git.BranchPrefix)
if branchName == repo.DefaultBranch && newCommitID == git.EmptySHA {
log.Warn("Forbidden: Branch: %s is the default branch in %-v and cannot be deleted", branchName, repo)
ctx.JSON(http.StatusForbidden, map[string]interface{}{
"err": fmt.Sprintf("branch %s is the default branch and cannot be deleted", branchName),
})
return
}
protectBranch, err := models.GetProtectedBranchBy(repo.ID, branchName)
if err != nil {
log.Error("Unable to get protected branch: %s in %-v Error: %v", branchName, repo, err)

6
routers/repo/branch.go
View file

@ -57,8 +57,12 @@ func Branches(ctx *context.Context) {
// DeleteBranchPost responses for delete merged branch
func DeleteBranchPost(ctx *context.Context) {
defer redirect(ctx)
branchName := ctx.Query("name")
if branchName == ctx.Repo.Repository.DefaultBranch {
ctx.Flash.Error(ctx.Tr("repo.branch.default_deletion_failed", branchName))
return
}
isProtected, err := ctx.Repo.Repository.IsProtectedBranch(branchName, ctx.User)
if err != nil {
log.Error("DeleteBranch: %v", err)