mirror of
https://codeberg.org/forgejo/forgejo.git
synced 2024-11-29 09:31:11 -05:00
1004 lines
28 KiB
Go
1004 lines
28 KiB
Go
// Copyright 2015 The Gogs Authors. All rights reserved.
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// Copyright 2019 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 models
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import (
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"bufio"
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"fmt"
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"io/ioutil"
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"os"
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"path"
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"path/filepath"
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"strconv"
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"strings"
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"time"
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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/process"
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"code.gitea.io/gitea/modules/setting"
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api "code.gitea.io/gitea/modules/structs"
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"code.gitea.io/gitea/modules/sync"
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"code.gitea.io/gitea/modules/timeutil"
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"github.com/unknwon/com"
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)
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var pullRequestQueue = sync.NewUniqueQueue(setting.Repository.PullRequestQueueLength)
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// PullRequestType defines pull request type
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type PullRequestType int
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// Enumerate all the pull request types
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const (
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PullRequestGitea PullRequestType = iota
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PullRequestGit
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)
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// PullRequestStatus defines pull request status
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type PullRequestStatus int
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// Enumerate all the pull request status
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const (
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PullRequestStatusConflict PullRequestStatus = iota
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PullRequestStatusChecking
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PullRequestStatusMergeable
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PullRequestStatusManuallyMerged
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)
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// PullRequest represents relation between pull request and repositories.
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type PullRequest struct {
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ID int64 `xorm:"pk autoincr"`
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Type PullRequestType
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Status PullRequestStatus
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ConflictedFiles []string `xorm:"TEXT JSON"`
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IssueID int64 `xorm:"INDEX"`
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Issue *Issue `xorm:"-"`
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Index int64
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HeadRepoID int64 `xorm:"INDEX"`
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HeadRepo *Repository `xorm:"-"`
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BaseRepoID int64 `xorm:"INDEX"`
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BaseRepo *Repository `xorm:"-"`
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HeadBranch string
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BaseBranch string
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ProtectedBranch *ProtectedBranch `xorm:"-"`
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MergeBase string `xorm:"VARCHAR(40)"`
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HasMerged bool `xorm:"INDEX"`
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MergedCommitID string `xorm:"VARCHAR(40)"`
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MergerID int64 `xorm:"INDEX"`
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Merger *User `xorm:"-"`
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MergedUnix timeutil.TimeStamp `xorm:"updated INDEX"`
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}
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// MustHeadUserName returns the HeadRepo's username if failed return blank
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func (pr *PullRequest) MustHeadUserName() string {
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if err := pr.LoadHeadRepo(); err != nil {
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log.Error("LoadHeadRepo: %v", err)
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return ""
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}
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return pr.HeadRepo.MustOwnerName()
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}
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// Note: don't try to get Issue because will end up recursive querying.
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func (pr *PullRequest) loadAttributes(e Engine) (err error) {
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if pr.HasMerged && pr.Merger == nil {
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pr.Merger, err = getUserByID(e, pr.MergerID)
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if IsErrUserNotExist(err) {
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pr.MergerID = -1
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pr.Merger = NewGhostUser()
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} else if err != nil {
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return fmt.Errorf("getUserByID [%d]: %v", pr.MergerID, err)
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}
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}
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return nil
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}
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// LoadAttributes loads pull request attributes from database
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func (pr *PullRequest) LoadAttributes() error {
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return pr.loadAttributes(x)
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}
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// LoadBaseRepo loads pull request base repository from database
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func (pr *PullRequest) LoadBaseRepo() error {
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if pr.BaseRepo == nil {
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if pr.HeadRepoID == pr.BaseRepoID && pr.HeadRepo != nil {
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pr.BaseRepo = pr.HeadRepo
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return nil
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}
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var repo Repository
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if has, err := x.ID(pr.BaseRepoID).Get(&repo); err != nil {
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return err
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} else if !has {
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return ErrRepoNotExist{ID: pr.BaseRepoID}
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}
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pr.BaseRepo = &repo
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}
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return nil
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}
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// LoadHeadRepo loads pull request head repository from database
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func (pr *PullRequest) LoadHeadRepo() error {
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if pr.HeadRepo == nil {
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if pr.HeadRepoID == pr.BaseRepoID && pr.BaseRepo != nil {
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pr.HeadRepo = pr.BaseRepo
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return nil
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}
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var repo Repository
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if has, err := x.ID(pr.HeadRepoID).Get(&repo); err != nil {
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return err
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} else if !has {
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return ErrRepoNotExist{ID: pr.BaseRepoID}
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}
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pr.HeadRepo = &repo
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}
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return nil
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}
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// LoadIssue loads issue information from database
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func (pr *PullRequest) LoadIssue() (err error) {
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return pr.loadIssue(x)
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}
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func (pr *PullRequest) loadIssue(e Engine) (err error) {
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if pr.Issue != nil {
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return nil
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}
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pr.Issue, err = getIssueByID(e, pr.IssueID)
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return err
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}
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// LoadProtectedBranch loads the protected branch of the base branch
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func (pr *PullRequest) LoadProtectedBranch() (err error) {
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if pr.BaseRepo == nil {
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if pr.BaseRepoID == 0 {
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return nil
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}
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pr.BaseRepo, err = GetRepositoryByID(pr.BaseRepoID)
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if err != nil {
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return
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}
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}
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pr.ProtectedBranch, err = GetProtectedBranchBy(pr.BaseRepo.ID, pr.BaseBranch)
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return
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}
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// GetDefaultMergeMessage returns default message used when merging pull request
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func (pr *PullRequest) GetDefaultMergeMessage() string {
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if pr.HeadRepo == nil {
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var err error
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pr.HeadRepo, err = GetRepositoryByID(pr.HeadRepoID)
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if err != nil {
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log.Error("GetRepositoryById[%d]: %v", pr.HeadRepoID, err)
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return ""
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}
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}
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return fmt.Sprintf("Merge branch '%s' of %s/%s into %s", pr.HeadBranch, pr.MustHeadUserName(), pr.HeadRepo.Name, pr.BaseBranch)
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}
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// GetDefaultSquashMessage returns default message used when squash and merging pull request
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func (pr *PullRequest) GetDefaultSquashMessage() string {
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if err := pr.LoadIssue(); err != nil {
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log.Error("LoadIssue: %v", err)
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return ""
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}
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return fmt.Sprintf("%s (#%d)", pr.Issue.Title, pr.Issue.Index)
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}
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// GetGitRefName returns git ref for hidden pull request branch
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func (pr *PullRequest) GetGitRefName() string {
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return fmt.Sprintf("refs/pull/%d/head", pr.Index)
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}
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// APIFormat assumes following fields have been assigned with valid values:
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// Required - Issue
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// Optional - Merger
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func (pr *PullRequest) APIFormat() *api.PullRequest {
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return pr.apiFormat(x)
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}
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func (pr *PullRequest) apiFormat(e Engine) *api.PullRequest {
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var (
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baseBranch *git.Branch
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headBranch *git.Branch
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baseCommit *git.Commit
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headCommit *git.Commit
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err error
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)
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if err = pr.Issue.loadRepo(e); err != nil {
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log.Error("loadRepo[%d]: %v", pr.ID, err)
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return nil
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}
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apiIssue := pr.Issue.apiFormat(e)
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if pr.BaseRepo == nil {
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pr.BaseRepo, err = getRepositoryByID(e, pr.BaseRepoID)
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if err != nil {
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log.Error("GetRepositoryById[%d]: %v", pr.ID, err)
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return nil
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}
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}
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if pr.HeadRepo == nil {
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pr.HeadRepo, err = getRepositoryByID(e, pr.HeadRepoID)
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if err != nil {
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log.Error("GetRepositoryById[%d]: %v", pr.ID, err)
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return nil
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}
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}
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if err = pr.Issue.loadRepo(e); err != nil {
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log.Error("pr.Issue.loadRepo[%d]: %v", pr.ID, err)
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return nil
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}
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apiPullRequest := &api.PullRequest{
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ID: pr.ID,
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URL: pr.Issue.HTMLURL(),
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Index: pr.Index,
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Poster: apiIssue.Poster,
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Title: apiIssue.Title,
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Body: apiIssue.Body,
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Labels: apiIssue.Labels,
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Milestone: apiIssue.Milestone,
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Assignee: apiIssue.Assignee,
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Assignees: apiIssue.Assignees,
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State: apiIssue.State,
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Comments: apiIssue.Comments,
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HTMLURL: pr.Issue.HTMLURL(),
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DiffURL: pr.Issue.DiffURL(),
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PatchURL: pr.Issue.PatchURL(),
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HasMerged: pr.HasMerged,
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MergeBase: pr.MergeBase,
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Deadline: apiIssue.Deadline,
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Created: pr.Issue.CreatedUnix.AsTimePtr(),
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Updated: pr.Issue.UpdatedUnix.AsTimePtr(),
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}
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baseBranch, err = pr.BaseRepo.GetBranch(pr.BaseBranch)
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if err != nil {
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if git.IsErrBranchNotExist(err) {
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apiPullRequest.Base = nil
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} else {
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log.Error("GetBranch[%s]: %v", pr.BaseBranch, err)
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return nil
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}
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} else {
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apiBaseBranchInfo := &api.PRBranchInfo{
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Name: pr.BaseBranch,
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Ref: pr.BaseBranch,
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RepoID: pr.BaseRepoID,
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Repository: pr.BaseRepo.innerAPIFormat(e, AccessModeNone, false),
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}
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baseCommit, err = baseBranch.GetCommit()
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if err != nil {
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if git.IsErrNotExist(err) {
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apiBaseBranchInfo.Sha = ""
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} else {
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log.Error("GetCommit[%s]: %v", baseBranch.Name, err)
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return nil
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}
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} else {
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apiBaseBranchInfo.Sha = baseCommit.ID.String()
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}
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apiPullRequest.Base = apiBaseBranchInfo
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}
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headBranch, err = pr.HeadRepo.GetBranch(pr.HeadBranch)
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if err != nil {
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if git.IsErrBranchNotExist(err) {
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apiPullRequest.Head = nil
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} else {
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log.Error("GetBranch[%s]: %v", pr.HeadBranch, err)
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return nil
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}
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} else {
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apiHeadBranchInfo := &api.PRBranchInfo{
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Name: pr.HeadBranch,
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Ref: pr.HeadBranch,
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RepoID: pr.HeadRepoID,
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Repository: pr.HeadRepo.innerAPIFormat(e, AccessModeNone, false),
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}
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headCommit, err = headBranch.GetCommit()
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if err != nil {
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if git.IsErrNotExist(err) {
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apiHeadBranchInfo.Sha = ""
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} else {
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log.Error("GetCommit[%s]: %v", headBranch.Name, err)
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return nil
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}
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} else {
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apiHeadBranchInfo.Sha = headCommit.ID.String()
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}
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apiPullRequest.Head = apiHeadBranchInfo
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}
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if pr.Status != PullRequestStatusChecking {
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mergeable := pr.Status != PullRequestStatusConflict && !pr.IsWorkInProgress()
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apiPullRequest.Mergeable = mergeable
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}
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if pr.HasMerged {
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apiPullRequest.Merged = pr.MergedUnix.AsTimePtr()
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apiPullRequest.MergedCommitID = &pr.MergedCommitID
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apiPullRequest.MergedBy = pr.Merger.APIFormat()
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}
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return apiPullRequest
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}
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func (pr *PullRequest) getHeadRepo(e Engine) (err error) {
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pr.HeadRepo, err = getRepositoryByID(e, pr.HeadRepoID)
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if err != nil && !IsErrRepoNotExist(err) {
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return fmt.Errorf("getRepositoryByID(head): %v", err)
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}
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return nil
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}
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// GetHeadRepo loads the head repository
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func (pr *PullRequest) GetHeadRepo() error {
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return pr.getHeadRepo(x)
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}
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// GetBaseRepo loads the target repository
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func (pr *PullRequest) GetBaseRepo() (err error) {
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if pr.BaseRepo != nil {
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return nil
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}
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pr.BaseRepo, err = GetRepositoryByID(pr.BaseRepoID)
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if err != nil {
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return fmt.Errorf("GetRepositoryByID(base): %v", err)
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}
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return nil
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}
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// IsChecking returns true if this pull request is still checking conflict.
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func (pr *PullRequest) IsChecking() bool {
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return pr.Status == PullRequestStatusChecking
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}
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// CanAutoMerge returns true if this pull request can be merged automatically.
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func (pr *PullRequest) CanAutoMerge() bool {
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return pr.Status == PullRequestStatusMergeable
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}
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// GetLastCommitStatus returns the last commit status for this pull request.
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func (pr *PullRequest) GetLastCommitStatus() (status *CommitStatus, err error) {
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if err = pr.GetHeadRepo(); err != nil {
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return nil, err
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}
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if pr.HeadRepo == nil {
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return nil, ErrPullRequestHeadRepoMissing{pr.ID, pr.HeadRepoID}
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}
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headGitRepo, err := git.OpenRepository(pr.HeadRepo.RepoPath())
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if err != nil {
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return nil, err
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}
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lastCommitID, err := headGitRepo.GetBranchCommitID(pr.HeadBranch)
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if err != nil {
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return nil, err
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}
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err = pr.LoadBaseRepo()
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if err != nil {
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return nil, err
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}
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statusList, err := GetLatestCommitStatus(pr.BaseRepo, lastCommitID, 0)
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if err != nil {
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return nil, err
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}
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return CalcCommitStatus(statusList), nil
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}
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// MergeStyle represents the approach to merge commits into base branch.
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type MergeStyle string
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const (
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// MergeStyleMerge create merge commit
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MergeStyleMerge MergeStyle = "merge"
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// MergeStyleRebase rebase before merging
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MergeStyleRebase MergeStyle = "rebase"
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// MergeStyleRebaseMerge rebase before merging with merge commit (--no-ff)
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MergeStyleRebaseMerge MergeStyle = "rebase-merge"
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// MergeStyleSquash squash commits into single commit before merging
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MergeStyleSquash MergeStyle = "squash"
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)
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// CheckUserAllowedToMerge checks whether the user is allowed to merge
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func (pr *PullRequest) CheckUserAllowedToMerge(doer *User) (err error) {
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if doer == nil {
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return ErrNotAllowedToMerge{
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"Not signed in",
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}
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}
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if pr.BaseRepo == nil {
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if err = pr.GetBaseRepo(); err != nil {
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return fmt.Errorf("GetBaseRepo: %v", err)
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}
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}
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if protected, err := pr.BaseRepo.IsProtectedBranchForMerging(pr, pr.BaseBranch, doer); err != nil {
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return fmt.Errorf("IsProtectedBranch: %v", err)
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} else if protected {
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return ErrNotAllowedToMerge{
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"The branch is protected",
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}
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}
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return nil
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}
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// SetMerged sets a pull request to merged and closes the corresponding issue
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func (pr *PullRequest) SetMerged() (err error) {
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if pr.HasMerged {
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return fmt.Errorf("PullRequest[%d] already merged", pr.Index)
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}
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if pr.MergedCommitID == "" || pr.MergedUnix == 0 || pr.Merger == nil {
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return fmt.Errorf("Unable to merge PullRequest[%d], some required fields are empty", pr.Index)
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}
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pr.HasMerged = true
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sess := x.NewSession()
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defer sess.Close()
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if err = sess.Begin(); err != nil {
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return err
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}
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if err = pr.loadIssue(sess); err != nil {
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return err
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}
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if err = pr.Issue.loadRepo(sess); err != nil {
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return err
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}
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if err = pr.Issue.Repo.getOwner(sess); err != nil {
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return err
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}
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if err = pr.Issue.changeStatus(sess, pr.Merger, true); err != nil {
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return fmt.Errorf("Issue.changeStatus: %v", err)
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}
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if _, err = sess.ID(pr.ID).Cols("has_merged, status, merged_commit_id, merger_id, merged_unix").Update(pr); err != nil {
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return fmt.Errorf("update pull request: %v", err)
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}
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if err = sess.Commit(); err != nil {
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return fmt.Errorf("Commit: %v", err)
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}
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return nil
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}
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// manuallyMerged checks if a pull request got manually merged
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// When a pull request got manually merged mark the pull request as merged
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func (pr *PullRequest) manuallyMerged() bool {
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commit, err := pr.getMergeCommit()
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if err != nil {
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log.Error("PullRequest[%d].getMergeCommit: %v", pr.ID, err)
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return false
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}
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if commit != nil {
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pr.MergedCommitID = commit.ID.String()
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pr.MergedUnix = timeutil.TimeStamp(commit.Author.When.Unix())
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pr.Status = PullRequestStatusManuallyMerged
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merger, _ := GetUserByEmail(commit.Author.Email)
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// When the commit author is unknown set the BaseRepo owner as merger
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if merger == nil {
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if pr.BaseRepo.Owner == nil {
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if err = pr.BaseRepo.getOwner(x); err != nil {
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log.Error("BaseRepo.getOwner[%d]: %v", pr.ID, err)
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return false
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}
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}
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merger = pr.BaseRepo.Owner
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}
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pr.Merger = merger
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pr.MergerID = merger.ID
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if err = pr.SetMerged(); err != nil {
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log.Error("PullRequest[%d].setMerged : %v", pr.ID, err)
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return false
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}
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log.Info("manuallyMerged[%d]: Marked as manually merged into %s/%s by commit id: %s", pr.ID, pr.BaseRepo.Name, pr.BaseBranch, commit.ID.String())
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return true
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}
|
|
return false
|
|
}
|
|
|
|
// getMergeCommit checks if a pull request got merged
|
|
// Returns the git.Commit of the pull request if merged
|
|
func (pr *PullRequest) getMergeCommit() (*git.Commit, error) {
|
|
if pr.BaseRepo == nil {
|
|
var err error
|
|
pr.BaseRepo, err = GetRepositoryByID(pr.BaseRepoID)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("GetRepositoryByID: %v", err)
|
|
}
|
|
}
|
|
|
|
indexTmpPath := filepath.Join(os.TempDir(), "gitea-"+pr.BaseRepo.Name+"-"+strconv.Itoa(time.Now().Nanosecond()))
|
|
defer os.Remove(indexTmpPath)
|
|
|
|
headFile := pr.GetGitRefName()
|
|
|
|
// Check if a pull request is merged into BaseBranch
|
|
_, stderr, err := process.GetManager().ExecDirEnv(-1, "", fmt.Sprintf("isMerged (git merge-base --is-ancestor): %d", pr.BaseRepo.ID),
|
|
[]string{"GIT_INDEX_FILE=" + indexTmpPath, "GIT_DIR=" + pr.BaseRepo.RepoPath()},
|
|
git.GitExecutable, "merge-base", "--is-ancestor", headFile, pr.BaseBranch)
|
|
|
|
if err != nil {
|
|
// Errors are signaled by a non-zero status that is not 1
|
|
if strings.Contains(err.Error(), "exit status 1") {
|
|
return nil, nil
|
|
}
|
|
return nil, fmt.Errorf("git merge-base --is-ancestor: %v %v", stderr, err)
|
|
}
|
|
|
|
commitIDBytes, err := ioutil.ReadFile(pr.BaseRepo.RepoPath() + "/" + headFile)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("ReadFile(%s): %v", headFile, err)
|
|
}
|
|
commitID := string(commitIDBytes)
|
|
if len(commitID) < 40 {
|
|
return nil, fmt.Errorf(`ReadFile(%s): invalid commit-ID "%s"`, headFile, commitID)
|
|
}
|
|
cmd := commitID[:40] + ".." + pr.BaseBranch
|
|
|
|
// Get the commit from BaseBranch where the pull request got merged
|
|
mergeCommit, stderr, err := process.GetManager().ExecDirEnv(-1, "", fmt.Sprintf("isMerged (git rev-list --ancestry-path --merges --reverse): %d", pr.BaseRepo.ID),
|
|
[]string{"GIT_INDEX_FILE=" + indexTmpPath, "GIT_DIR=" + pr.BaseRepo.RepoPath()},
|
|
git.GitExecutable, "rev-list", "--ancestry-path", "--merges", "--reverse", cmd)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("git rev-list --ancestry-path --merges --reverse: %v %v", stderr, err)
|
|
} else if len(mergeCommit) < 40 {
|
|
// PR was fast-forwarded, so just use last commit of PR
|
|
mergeCommit = commitID[:40]
|
|
}
|
|
|
|
gitRepo, err := git.OpenRepository(pr.BaseRepo.RepoPath())
|
|
if err != nil {
|
|
return nil, fmt.Errorf("OpenRepository: %v", err)
|
|
}
|
|
|
|
commit, err := gitRepo.GetCommit(mergeCommit[:40])
|
|
if err != nil {
|
|
return nil, fmt.Errorf("GetCommit: %v", err)
|
|
}
|
|
|
|
return commit, nil
|
|
}
|
|
|
|
// patchConflicts is a list of conflict description from Git.
|
|
var patchConflicts = []string{
|
|
"patch does not apply",
|
|
"already exists in working directory",
|
|
"unrecognized input",
|
|
"error:",
|
|
}
|
|
|
|
// testPatch checks if patch can be merged to base repository without conflict.
|
|
func (pr *PullRequest) testPatch(e Engine) (err error) {
|
|
if pr.BaseRepo == nil {
|
|
pr.BaseRepo, err = getRepositoryByID(e, pr.BaseRepoID)
|
|
if err != nil {
|
|
return fmt.Errorf("GetRepositoryByID: %v", err)
|
|
}
|
|
}
|
|
|
|
patchPath, err := pr.BaseRepo.patchPath(e, pr.Index)
|
|
if err != nil {
|
|
return fmt.Errorf("BaseRepo.PatchPath: %v", err)
|
|
}
|
|
|
|
// Fast fail if patch does not exist, this assumes data is corrupted.
|
|
if !com.IsFile(patchPath) {
|
|
log.Trace("PullRequest[%d].testPatch: ignored corrupted data", pr.ID)
|
|
return nil
|
|
}
|
|
|
|
repoWorkingPool.CheckIn(com.ToStr(pr.BaseRepoID))
|
|
defer repoWorkingPool.CheckOut(com.ToStr(pr.BaseRepoID))
|
|
|
|
log.Trace("PullRequest[%d].testPatch (patchPath): %s", pr.ID, patchPath)
|
|
|
|
pr.Status = PullRequestStatusChecking
|
|
|
|
indexTmpPath := filepath.Join(os.TempDir(), "gitea-"+pr.BaseRepo.Name+"-"+strconv.Itoa(time.Now().Nanosecond()))
|
|
defer os.Remove(indexTmpPath)
|
|
|
|
var stderr string
|
|
_, stderr, err = process.GetManager().ExecDirEnv(-1, "", fmt.Sprintf("testPatch (git read-tree): %d", pr.BaseRepo.ID),
|
|
[]string{"GIT_DIR=" + pr.BaseRepo.RepoPath(), "GIT_INDEX_FILE=" + indexTmpPath},
|
|
git.GitExecutable, "read-tree", pr.BaseBranch)
|
|
if err != nil {
|
|
return fmt.Errorf("git read-tree --index-output=%s %s: %v - %s", indexTmpPath, pr.BaseBranch, err, stderr)
|
|
}
|
|
|
|
prUnit, err := pr.BaseRepo.getUnit(e, UnitTypePullRequests)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
prConfig := prUnit.PullRequestsConfig()
|
|
|
|
args := []string{"apply", "--check", "--cached"}
|
|
if prConfig.IgnoreWhitespaceConflicts {
|
|
args = append(args, "--ignore-whitespace")
|
|
}
|
|
args = append(args, patchPath)
|
|
pr.ConflictedFiles = []string{}
|
|
|
|
_, stderr, err = process.GetManager().ExecDirEnv(-1, "", fmt.Sprintf("testPatch (git apply --check): %d", pr.BaseRepo.ID),
|
|
[]string{"GIT_INDEX_FILE=" + indexTmpPath, "GIT_DIR=" + pr.BaseRepo.RepoPath()},
|
|
git.GitExecutable, args...)
|
|
if err != nil {
|
|
for i := range patchConflicts {
|
|
if strings.Contains(stderr, patchConflicts[i]) {
|
|
log.Trace("PullRequest[%d].testPatch (apply): has conflict: %s", pr.ID, stderr)
|
|
const prefix = "error: patch failed:"
|
|
pr.Status = PullRequestStatusConflict
|
|
pr.ConflictedFiles = make([]string, 0, 5)
|
|
scanner := bufio.NewScanner(strings.NewReader(stderr))
|
|
for scanner.Scan() {
|
|
line := scanner.Text()
|
|
|
|
if strings.HasPrefix(line, prefix) {
|
|
var found bool
|
|
var filepath = strings.TrimSpace(strings.Split(line[len(prefix):], ":")[0])
|
|
for _, f := range pr.ConflictedFiles {
|
|
if f == filepath {
|
|
found = true
|
|
break
|
|
}
|
|
}
|
|
if !found {
|
|
pr.ConflictedFiles = append(pr.ConflictedFiles, filepath)
|
|
}
|
|
}
|
|
// only list 10 conflicted files
|
|
if len(pr.ConflictedFiles) >= 10 {
|
|
break
|
|
}
|
|
}
|
|
|
|
if len(pr.ConflictedFiles) > 0 {
|
|
log.Trace("Found %d files conflicted: %v", len(pr.ConflictedFiles), pr.ConflictedFiles)
|
|
}
|
|
|
|
return nil
|
|
}
|
|
}
|
|
|
|
return fmt.Errorf("git apply --check: %v - %s", err, stderr)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// NewPullRequest creates new pull request with labels for repository.
|
|
func NewPullRequest(repo *Repository, pull *Issue, labelIDs []int64, uuids []string, pr *PullRequest, patch []byte) (err error) {
|
|
// Retry several times in case INSERT fails due to duplicate key for (repo_id, index); see #7887
|
|
i := 0
|
|
for {
|
|
if err = newPullRequestAttempt(repo, pull, labelIDs, uuids, pr, patch); err == nil {
|
|
return nil
|
|
}
|
|
if !IsErrNewIssueInsert(err) {
|
|
return err
|
|
}
|
|
if i++; i == issueMaxDupIndexAttempts {
|
|
break
|
|
}
|
|
log.Error("NewPullRequest: error attempting to insert the new issue; will retry. Original error: %v", err)
|
|
}
|
|
return fmt.Errorf("NewPullRequest: too many errors attempting to insert the new issue. Last error was: %v", err)
|
|
}
|
|
|
|
func newPullRequestAttempt(repo *Repository, pull *Issue, labelIDs []int64, uuids []string, pr *PullRequest, patch []byte) (err error) {
|
|
sess := x.NewSession()
|
|
defer sess.Close()
|
|
if err = sess.Begin(); err != nil {
|
|
return err
|
|
}
|
|
|
|
if err = newIssue(sess, pull.Poster, NewIssueOptions{
|
|
Repo: repo,
|
|
Issue: pull,
|
|
LabelIDs: labelIDs,
|
|
Attachments: uuids,
|
|
IsPull: true,
|
|
}); err != nil {
|
|
if IsErrUserDoesNotHaveAccessToRepo(err) || IsErrNewIssueInsert(err) {
|
|
return err
|
|
}
|
|
return fmt.Errorf("newIssue: %v", err)
|
|
}
|
|
|
|
pr.Index = pull.Index
|
|
pr.BaseRepo = repo
|
|
pr.Status = PullRequestStatusChecking
|
|
if len(patch) > 0 {
|
|
if err = repo.savePatch(sess, pr.Index, patch); err != nil {
|
|
return fmt.Errorf("SavePatch: %v", err)
|
|
}
|
|
|
|
if err = pr.testPatch(sess); err != nil {
|
|
return fmt.Errorf("testPatch: %v", err)
|
|
}
|
|
}
|
|
// No conflict appears after test means mergeable.
|
|
if pr.Status == PullRequestStatusChecking {
|
|
pr.Status = PullRequestStatusMergeable
|
|
}
|
|
|
|
pr.IssueID = pull.ID
|
|
if _, err = sess.Insert(pr); err != nil {
|
|
return fmt.Errorf("insert pull repo: %v", err)
|
|
}
|
|
|
|
if err = sess.Commit(); err != nil {
|
|
return fmt.Errorf("Commit: %v", err)
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
// GetUnmergedPullRequest returns a pull request that is open and has not been merged
|
|
// by given head/base and repo/branch.
|
|
func GetUnmergedPullRequest(headRepoID, baseRepoID int64, headBranch, baseBranch string) (*PullRequest, error) {
|
|
pr := new(PullRequest)
|
|
has, err := x.
|
|
Where("head_repo_id=? AND head_branch=? AND base_repo_id=? AND base_branch=? AND has_merged=? AND issue.is_closed=?",
|
|
headRepoID, headBranch, baseRepoID, baseBranch, false, false).
|
|
Join("INNER", "issue", "issue.id=pull_request.issue_id").
|
|
Get(pr)
|
|
if err != nil {
|
|
return nil, err
|
|
} else if !has {
|
|
return nil, ErrPullRequestNotExist{0, 0, headRepoID, baseRepoID, headBranch, baseBranch}
|
|
}
|
|
|
|
return pr, nil
|
|
}
|
|
|
|
// GetLatestPullRequestByHeadInfo returns the latest pull request (regardless of its status)
|
|
// by given head information (repo and branch).
|
|
func GetLatestPullRequestByHeadInfo(repoID int64, branch string) (*PullRequest, error) {
|
|
pr := new(PullRequest)
|
|
has, err := x.
|
|
Where("head_repo_id = ? AND head_branch = ?", repoID, branch).
|
|
OrderBy("id DESC").
|
|
Get(pr)
|
|
if !has {
|
|
return nil, err
|
|
}
|
|
return pr, err
|
|
}
|
|
|
|
// GetPullRequestByIndex returns a pull request by the given index
|
|
func GetPullRequestByIndex(repoID int64, index int64) (*PullRequest, error) {
|
|
pr := &PullRequest{
|
|
BaseRepoID: repoID,
|
|
Index: index,
|
|
}
|
|
|
|
has, err := x.Get(pr)
|
|
if err != nil {
|
|
return nil, err
|
|
} else if !has {
|
|
return nil, ErrPullRequestNotExist{0, 0, 0, repoID, "", ""}
|
|
}
|
|
|
|
if err = pr.LoadAttributes(); err != nil {
|
|
return nil, err
|
|
}
|
|
if err = pr.LoadIssue(); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return pr, nil
|
|
}
|
|
|
|
func getPullRequestByID(e Engine, id int64) (*PullRequest, error) {
|
|
pr := new(PullRequest)
|
|
has, err := e.ID(id).Get(pr)
|
|
if err != nil {
|
|
return nil, err
|
|
} else if !has {
|
|
return nil, ErrPullRequestNotExist{id, 0, 0, 0, "", ""}
|
|
}
|
|
return pr, pr.loadAttributes(e)
|
|
}
|
|
|
|
// GetPullRequestByID returns a pull request by given ID.
|
|
func GetPullRequestByID(id int64) (*PullRequest, error) {
|
|
return getPullRequestByID(x, id)
|
|
}
|
|
|
|
func getPullRequestByIssueID(e Engine, issueID int64) (*PullRequest, error) {
|
|
pr := &PullRequest{
|
|
IssueID: issueID,
|
|
}
|
|
has, err := e.Get(pr)
|
|
if err != nil {
|
|
return nil, err
|
|
} else if !has {
|
|
return nil, ErrPullRequestNotExist{0, issueID, 0, 0, "", ""}
|
|
}
|
|
return pr, pr.loadAttributes(e)
|
|
}
|
|
|
|
// GetPullRequestByIssueID returns pull request by given issue ID.
|
|
func GetPullRequestByIssueID(issueID int64) (*PullRequest, error) {
|
|
return getPullRequestByIssueID(x, issueID)
|
|
}
|
|
|
|
// Update updates all fields of pull request.
|
|
func (pr *PullRequest) Update() error {
|
|
_, err := x.ID(pr.ID).AllCols().Update(pr)
|
|
return err
|
|
}
|
|
|
|
// UpdateCols updates specific fields of pull request.
|
|
func (pr *PullRequest) UpdateCols(cols ...string) error {
|
|
_, err := x.ID(pr.ID).Cols(cols...).Update(pr)
|
|
return err
|
|
}
|
|
|
|
// UpdatePatch generates and saves a new patch.
|
|
func (pr *PullRequest) UpdatePatch() (err error) {
|
|
if err = pr.GetHeadRepo(); err != nil {
|
|
return fmt.Errorf("GetHeadRepo: %v", err)
|
|
} else if pr.HeadRepo == nil {
|
|
log.Trace("PullRequest[%d].UpdatePatch: ignored corrupted data", pr.ID)
|
|
return nil
|
|
}
|
|
|
|
if err = pr.GetBaseRepo(); err != nil {
|
|
return fmt.Errorf("GetBaseRepo: %v", err)
|
|
}
|
|
|
|
headGitRepo, err := git.OpenRepository(pr.HeadRepo.RepoPath())
|
|
if err != nil {
|
|
return fmt.Errorf("OpenRepository: %v", err)
|
|
}
|
|
|
|
// Add a temporary remote.
|
|
tmpRemote := com.ToStr(time.Now().UnixNano())
|
|
if err = headGitRepo.AddRemote(tmpRemote, RepoPath(pr.BaseRepo.MustOwner().Name, pr.BaseRepo.Name), true); err != nil {
|
|
return fmt.Errorf("AddRemote: %v", err)
|
|
}
|
|
defer func() {
|
|
if err := headGitRepo.RemoveRemote(tmpRemote); err != nil {
|
|
log.Error("UpdatePatch: RemoveRemote: %s", err)
|
|
}
|
|
}()
|
|
pr.MergeBase, _, err = headGitRepo.GetMergeBase(tmpRemote, pr.BaseBranch, pr.HeadBranch)
|
|
if err != nil {
|
|
return fmt.Errorf("GetMergeBase: %v", err)
|
|
} else if err = pr.Update(); err != nil {
|
|
return fmt.Errorf("Update: %v", err)
|
|
}
|
|
|
|
patch, err := headGitRepo.GetPatch(pr.MergeBase, pr.HeadBranch)
|
|
if err != nil {
|
|
return fmt.Errorf("GetPatch: %v", err)
|
|
}
|
|
|
|
if err = pr.BaseRepo.SavePatch(pr.Index, patch); err != nil {
|
|
return fmt.Errorf("BaseRepo.SavePatch: %v", err)
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
// PushToBaseRepo pushes commits from branches of head repository to
|
|
// corresponding branches of base repository.
|
|
// FIXME: Only push branches that are actually updates?
|
|
func (pr *PullRequest) PushToBaseRepo() (err error) {
|
|
log.Trace("PushToBaseRepo[%d]: pushing commits to base repo '%s'", pr.BaseRepoID, pr.GetGitRefName())
|
|
|
|
headRepoPath := pr.HeadRepo.RepoPath()
|
|
headGitRepo, err := git.OpenRepository(headRepoPath)
|
|
if err != nil {
|
|
return fmt.Errorf("OpenRepository: %v", err)
|
|
}
|
|
|
|
tmpRemoteName := fmt.Sprintf("tmp-pull-%d", pr.ID)
|
|
if err = headGitRepo.AddRemote(tmpRemoteName, pr.BaseRepo.RepoPath(), false); err != nil {
|
|
return fmt.Errorf("headGitRepo.AddRemote: %v", err)
|
|
}
|
|
// Make sure to remove the remote even if the push fails
|
|
defer func() {
|
|
if err := headGitRepo.RemoveRemote(tmpRemoteName); err != nil {
|
|
log.Error("PushToBaseRepo: RemoveRemote: %s", err)
|
|
}
|
|
}()
|
|
|
|
headFile := pr.GetGitRefName()
|
|
|
|
// Remove head in case there is a conflict.
|
|
file := path.Join(pr.BaseRepo.RepoPath(), headFile)
|
|
|
|
_ = os.Remove(file)
|
|
|
|
if err = git.Push(headRepoPath, git.PushOptions{
|
|
Remote: tmpRemoteName,
|
|
Branch: fmt.Sprintf("%s:%s", pr.HeadBranch, headFile),
|
|
Force: true,
|
|
}); err != nil {
|
|
return fmt.Errorf("Push: %v", err)
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
// AddToTaskQueue adds itself to pull request test task queue.
|
|
func (pr *PullRequest) AddToTaskQueue() {
|
|
go pullRequestQueue.AddFunc(pr.ID, func() {
|
|
pr.Status = PullRequestStatusChecking
|
|
if err := pr.UpdateCols("status"); err != nil {
|
|
log.Error("AddToTaskQueue.UpdateCols[%d].(add to queue): %v", pr.ID, err)
|
|
}
|
|
})
|
|
}
|
|
|
|
// checkAndUpdateStatus checks if pull request is possible to leaving checking status,
|
|
// and set to be either conflict or mergeable.
|
|
func (pr *PullRequest) checkAndUpdateStatus() {
|
|
// Status is not changed to conflict means mergeable.
|
|
if pr.Status == PullRequestStatusChecking {
|
|
pr.Status = PullRequestStatusMergeable
|
|
}
|
|
|
|
// Make sure there is no waiting test to process before leaving the checking status.
|
|
if !pullRequestQueue.Exist(pr.ID) {
|
|
if err := pr.UpdateCols("status, conflicted_files"); err != nil {
|
|
log.Error("Update[%d]: %v", pr.ID, err)
|
|
}
|
|
}
|
|
}
|
|
|
|
// IsWorkInProgress determine if the Pull Request is a Work In Progress by its title
|
|
func (pr *PullRequest) IsWorkInProgress() bool {
|
|
if err := pr.LoadIssue(); err != nil {
|
|
log.Error("LoadIssue: %v", err)
|
|
return false
|
|
}
|
|
|
|
for _, prefix := range setting.Repository.PullRequest.WorkInProgressPrefixes {
|
|
if strings.HasPrefix(strings.ToUpper(pr.Issue.Title), prefix) {
|
|
return true
|
|
}
|
|
}
|
|
return false
|
|
}
|
|
|
|
// IsFilesConflicted determines if the Pull Request has changes conflicting with the target branch.
|
|
func (pr *PullRequest) IsFilesConflicted() bool {
|
|
return len(pr.ConflictedFiles) > 0
|
|
}
|
|
|
|
// GetWorkInProgressPrefix returns the prefix used to mark the pull request as a work in progress.
|
|
// It returns an empty string when none were found
|
|
func (pr *PullRequest) GetWorkInProgressPrefix() string {
|
|
if err := pr.LoadIssue(); err != nil {
|
|
log.Error("LoadIssue: %v", err)
|
|
return ""
|
|
}
|
|
|
|
for _, prefix := range setting.Repository.PullRequest.WorkInProgressPrefixes {
|
|
if strings.HasPrefix(strings.ToUpper(pr.Issue.Title), prefix) {
|
|
return pr.Issue.Title[0:len(prefix)]
|
|
}
|
|
}
|
|
return ""
|
|
}
|