Add "Allow edits from maintainer" feature (#18002)

Adds a feature [like GitHub has](https://docs.github.com/en/pull-requests/collaborating-with-pull-requests/proposing-changes-to-your-work-with-pull-requests/creating-a-pull-request-from-a-fork) (step 7).
If you create a new PR from a forked repo, you can select (and change later, but only if you are the PR creator/poster) the "Allow edits from maintainers" option.
Then users with write access to the base branch get more permissions on this branch:
* use the update pull request button
* push directly from the command line (`git push`)
* edit/delete/upload files via web UI
* use related API endpoints

You can't merge PRs to this branch with this enabled, you'll need "full" code write permissions.

This feature has a pretty big impact on the permission system. I might forgot changing some things or didn't find security vulnerabilities. In this case, please leave a review or comment on this PR.

Closes #17728

Co-authored-by: 6543 <6543@obermui.de>
This commit is contained in:
qwerty287 2022-04-28 17:45:33 +02:00 committed by GitHub
parent 92dfbada37
commit 8eb1cd9264
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29 changed files with 359 additions and 60 deletions

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@ -69,15 +69,16 @@ type PullRequest struct {
Issue *Issue `xorm:"-"`
Index int64
HeadRepoID int64 `xorm:"INDEX"`
HeadRepo *repo_model.Repository `xorm:"-"`
BaseRepoID int64 `xorm:"INDEX"`
BaseRepo *repo_model.Repository `xorm:"-"`
HeadBranch string
HeadCommitID string `xorm:"-"`
BaseBranch string
ProtectedBranch *ProtectedBranch `xorm:"-"`
MergeBase string `xorm:"VARCHAR(40)"`
HeadRepoID int64 `xorm:"INDEX"`
HeadRepo *repo_model.Repository `xorm:"-"`
BaseRepoID int64 `xorm:"INDEX"`
BaseRepo *repo_model.Repository `xorm:"-"`
HeadBranch string
HeadCommitID string `xorm:"-"`
BaseBranch string
ProtectedBranch *ProtectedBranch `xorm:"-"`
MergeBase string `xorm:"VARCHAR(40)"`
AllowMaintainerEdit bool `xorm:"NOT NULL DEFAULT false"`
HasMerged bool `xorm:"INDEX"`
MergedCommitID string `xorm:"VARCHAR(40)"`
@ -711,6 +712,14 @@ func (pr *PullRequest) GetHeadBranchHTMLURL() string {
return pr.HeadRepo.HTMLURL() + "/src/branch/" + util.PathEscapeSegments(pr.HeadBranch)
}
// UpdateAllowEdits update if PR can be edited from maintainers
func UpdateAllowEdits(ctx context.Context, pr *PullRequest) error {
if _, err := db.GetEngine(ctx).ID(pr.ID).Cols("allow_maintainer_edit").Update(pr); err != nil {
return err
}
return nil
}
// Mergeable returns if the pullrequest is mergeable.
func (pr *PullRequest) Mergeable() bool {
// If a pull request isn't mergable if it's: