A fork of Gitea (see branch `mj`) adding Majority Judgment Polls 𐄷 over Issues and Merge Requests. https://git.mieuxvoter.fr
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// Copyright 2019 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 models
import (
"code.gitea.io/gitea/modules/git"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/setting"
)
// SignMerge determines if we should sign a PR merge commit to the base repository
func (pr *PullRequest) SignMerge(u *User, tmpBasePath, baseCommit, headCommit string) (bool, string, *git.Signature, error) {
if err := pr.LoadBaseRepo(); err != nil {
log.Error("Unable to get Base Repo for pull request")
return false, "", nil, err
}
repo := pr.BaseRepo
signingKey, signer := SigningKey(repo.RepoPath())
if signingKey == "" {
return false, "", nil, &ErrWontSign{noKey}
}
rules := signingModeFromStrings(setting.Repository.Signing.Merges)
var gitRepo *git.Repository
var err error
Loop:
for _, rule := range rules {
switch rule {
case never:
return false, "", nil, &ErrWontSign{never}
case always:
break Loop
case pubkey:
keys, err := ListGPGKeys(u.ID, ListOptions{})
if err != nil {
return false, "", nil, err
}
if len(keys) == 0 {
return false, "", nil, &ErrWontSign{pubkey}
}
case twofa:
twofaModel, err := GetTwoFactorByUID(u.ID)
if err != nil && !IsErrTwoFactorNotEnrolled(err) {
return false, "", nil, err
}
if twofaModel == nil {
return false, "", nil, &ErrWontSign{twofa}
}
case approved:
protectedBranch, err := GetProtectedBranchBy(repo.ID, pr.BaseBranch)
if err != nil {
return false, "", nil, err
}
if protectedBranch == nil {
return false, "", nil, &ErrWontSign{approved}
}
if protectedBranch.GetGrantedApprovalsCount(pr) < 1 {
return false, "", nil, &ErrWontSign{approved}
}
case baseSigned:
if gitRepo == nil {
gitRepo, err = git.OpenRepository(tmpBasePath)
if err != nil {
return false, "", nil, err
}
defer gitRepo.Close()
}
commit, err := gitRepo.GetCommit(baseCommit)
if err != nil {
return false, "", nil, err
}
verification := ParseCommitWithSignature(commit)
if !verification.Verified {
return false, "", nil, &ErrWontSign{baseSigned}
}
case headSigned:
if gitRepo == nil {
gitRepo, err = git.OpenRepository(tmpBasePath)
if err != nil {
return false, "", nil, err
}
defer gitRepo.Close()
}
commit, err := gitRepo.GetCommit(headCommit)
if err != nil {
return false, "", nil, err
}
verification := ParseCommitWithSignature(commit)
if !verification.Verified {
return false, "", nil, &ErrWontSign{headSigned}
}
case commitsSigned:
if gitRepo == nil {
gitRepo, err = git.OpenRepository(tmpBasePath)
if err != nil {
return false, "", nil, err
}
defer gitRepo.Close()
}
commit, err := gitRepo.GetCommit(headCommit)
if err != nil {
return false, "", nil, err
}
verification := ParseCommitWithSignature(commit)
if !verification.Verified {
return false, "", nil, &ErrWontSign{commitsSigned}
}
// need to work out merge-base
mergeBaseCommit, _, err := gitRepo.GetMergeBase("", baseCommit, headCommit)
if err != nil {
return false, "", nil, err
}
commitList, err := commit.CommitsBeforeUntil(mergeBaseCommit)
if err != nil {
return false, "", nil, err
}
for e := commitList.Front(); e != nil; e = e.Next() {
commit = e.Value.(*git.Commit)
verification := ParseCommitWithSignature(commit)
if !verification.Verified {
return false, "", nil, &ErrWontSign{commitsSigned}
}
}
}
}
return true, signingKey, signer, nil
}