262 lines
7.2 KiB
Go
262 lines
7.2 KiB
Go
// Copyright 2015 The Gogs 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 (
|
|
"fmt"
|
|
"io/ioutil"
|
|
"os"
|
|
"path"
|
|
"strings"
|
|
"time"
|
|
|
|
"github.com/Unknwon/com"
|
|
"github.com/go-xorm/xorm"
|
|
|
|
"github.com/gogits/gogs/modules/git"
|
|
"github.com/gogits/gogs/modules/log"
|
|
"github.com/gogits/gogs/modules/process"
|
|
)
|
|
|
|
type PullRequestType int
|
|
|
|
const (
|
|
PULL_REQUEST_GOGS PullRequestType = iota
|
|
PLLL_ERQUEST_GIT
|
|
)
|
|
|
|
type PullRequestStatus int
|
|
|
|
const (
|
|
PULL_REQUEST_STATUS_CONFLICT PullRequestStatus = iota
|
|
PULL_REQUEST_STATUS_CHECKING
|
|
PULL_REQUEST_STATUS_MERGEABLE
|
|
)
|
|
|
|
// PullRequest represents relation between pull request and repositories.
|
|
type PullRequest struct {
|
|
ID int64 `xorm:"pk autoincr"`
|
|
Type PullRequestType
|
|
Status PullRequestStatus
|
|
|
|
IssueID int64 `xorm:"INDEX"`
|
|
Issue *Issue `xorm:"-"`
|
|
Index int64
|
|
|
|
HeadRepoID int64
|
|
HeadRepo *Repository `xorm:"-"`
|
|
BaseRepoID int64
|
|
HeadUserName string
|
|
HeadBranch string
|
|
BaseBranch string
|
|
MergeBase string `xorm:"VARCHAR(40)"`
|
|
MergedCommitID string `xorm:"VARCHAR(40)"`
|
|
|
|
HasMerged bool
|
|
Merged time.Time
|
|
MergerID int64
|
|
Merger *User `xorm:"-"`
|
|
}
|
|
|
|
// Note: don't try to get Pull because will end up recursive querying.
|
|
func (pr *PullRequest) AfterSet(colName string, _ xorm.Cell) {
|
|
var err error
|
|
switch colName {
|
|
case "head_repo_id":
|
|
// FIXME: shouldn't show error if it's known that head repository has been removed.
|
|
pr.HeadRepo, err = GetRepositoryByID(pr.HeadRepoID)
|
|
if err != nil {
|
|
log.Error(3, "GetRepositoryByID[%d]: %v", pr.ID, err)
|
|
}
|
|
case "merger_id":
|
|
if !pr.HasMerged {
|
|
return
|
|
}
|
|
|
|
pr.Merger, err = GetUserByID(pr.MergerID)
|
|
if err != nil {
|
|
if IsErrUserNotExist(err) {
|
|
pr.MergerID = -1
|
|
pr.Merger = NewFakeUser()
|
|
} else {
|
|
log.Error(3, "GetUserByID[%d]: %v", pr.ID, err)
|
|
}
|
|
}
|
|
case "merged":
|
|
if !pr.HasMerged {
|
|
return
|
|
}
|
|
|
|
pr.Merged = regulateTimeZone(pr.Merged)
|
|
}
|
|
}
|
|
|
|
// CanAutoMerge returns true if this pull request can be merged automatically.
|
|
func (pr *PullRequest) CanAutoMerge() bool {
|
|
return pr.Status == PULL_REQUEST_STATUS_MERGEABLE
|
|
}
|
|
|
|
// Merge merges pull request to base repository.
|
|
func (pr *PullRequest) Merge(doer *User, baseGitRepo *git.Repository) (err error) {
|
|
sess := x.NewSession()
|
|
defer sessionRelease(sess)
|
|
if err = sess.Begin(); err != nil {
|
|
return err
|
|
}
|
|
|
|
if err = pr.Issue.changeStatus(sess, doer, true); err != nil {
|
|
return fmt.Errorf("Pull.changeStatus: %v", err)
|
|
}
|
|
|
|
headRepoPath := RepoPath(pr.HeadUserName, pr.HeadRepo.Name)
|
|
headGitRepo, err := git.OpenRepository(headRepoPath)
|
|
if err != nil {
|
|
return fmt.Errorf("OpenRepository: %v", err)
|
|
}
|
|
pr.MergedCommitID, err = headGitRepo.GetCommitIdOfBranch(pr.HeadBranch)
|
|
if err != nil {
|
|
return fmt.Errorf("GetCommitIdOfBranch: %v", err)
|
|
}
|
|
|
|
if err = mergePullRequestAction(sess, doer, pr.Issue.Repo, pr.Issue); err != nil {
|
|
return fmt.Errorf("mergePullRequestAction: %v", err)
|
|
}
|
|
|
|
pr.HasMerged = true
|
|
pr.Merged = time.Now()
|
|
pr.MergerID = doer.Id
|
|
if _, err = sess.Id(pr.ID).AllCols().Update(pr); err != nil {
|
|
return fmt.Errorf("update pull request: %v", err)
|
|
}
|
|
|
|
// Clone base repo.
|
|
tmpBasePath := path.Join("data/tmp/repos", com.ToStr(time.Now().Nanosecond())+".git")
|
|
os.MkdirAll(path.Dir(tmpBasePath), os.ModePerm)
|
|
defer os.RemoveAll(path.Dir(tmpBasePath))
|
|
|
|
var stderr string
|
|
if _, stderr, err = process.ExecTimeout(5*time.Minute,
|
|
fmt.Sprintf("PullRequest.Merge(git clone): %s", tmpBasePath),
|
|
"git", "clone", baseGitRepo.Path, tmpBasePath); err != nil {
|
|
return fmt.Errorf("git clone: %s", stderr)
|
|
}
|
|
|
|
// Check out base branch.
|
|
if _, stderr, err = process.ExecDir(-1, tmpBasePath,
|
|
fmt.Sprintf("PullRequest.Merge(git checkout): %s", tmpBasePath),
|
|
"git", "checkout", pr.BaseBranch); err != nil {
|
|
return fmt.Errorf("git checkout: %s", stderr)
|
|
}
|
|
|
|
// Pull commits.
|
|
if _, stderr, err = process.ExecDir(-1, tmpBasePath,
|
|
fmt.Sprintf("PullRequest.Merge(git pull): %s", tmpBasePath),
|
|
"git", "pull", headRepoPath, pr.HeadBranch); err != nil {
|
|
return fmt.Errorf("git pull[%s / %s -> %s]: %s", headRepoPath, pr.HeadBranch, tmpBasePath, stderr)
|
|
}
|
|
|
|
// Push back to upstream.
|
|
if _, stderr, err = process.ExecDir(-1, tmpBasePath,
|
|
fmt.Sprintf("PullRequest.Merge(git push): %s", tmpBasePath),
|
|
"git", "push", baseGitRepo.Path, pr.BaseBranch); err != nil {
|
|
return fmt.Errorf("git push: %s", stderr)
|
|
}
|
|
|
|
return sess.Commit()
|
|
}
|
|
|
|
// 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) {
|
|
sess := x.NewSession()
|
|
defer sessionRelease(sess)
|
|
if err = sess.Begin(); err != nil {
|
|
return err
|
|
}
|
|
|
|
if err = newIssue(sess, repo, pull, labelIDs, uuids, true); err != nil {
|
|
return fmt.Errorf("newIssue: %v", err)
|
|
}
|
|
|
|
// Notify watchers.
|
|
act := &Action{
|
|
ActUserID: pull.Poster.Id,
|
|
ActUserName: pull.Poster.Name,
|
|
ActEmail: pull.Poster.Email,
|
|
OpType: CREATE_PULL_REQUEST,
|
|
Content: fmt.Sprintf("%d|%s", pull.Index, pull.Name),
|
|
RepoID: repo.ID,
|
|
RepoUserName: repo.Owner.Name,
|
|
RepoName: repo.Name,
|
|
IsPrivate: repo.IsPrivate,
|
|
}
|
|
if err = notifyWatchers(sess, act); err != nil {
|
|
return err
|
|
}
|
|
|
|
// Test apply patch.
|
|
if err = repo.UpdateLocalCopy(); err != nil {
|
|
return fmt.Errorf("UpdateLocalCopy: %v", err)
|
|
}
|
|
|
|
repoPath, err := repo.RepoPath()
|
|
if err != nil {
|
|
return fmt.Errorf("RepoPath: %v", err)
|
|
}
|
|
patchPath := path.Join(repoPath, "pulls", com.ToStr(pull.ID)+".patch")
|
|
|
|
os.MkdirAll(path.Dir(patchPath), os.ModePerm)
|
|
if err = ioutil.WriteFile(patchPath, patch, 0644); err != nil {
|
|
return fmt.Errorf("save patch: %v", err)
|
|
}
|
|
|
|
pr.Status = PULL_REQUEST_STATUS_MERGEABLE
|
|
_, stderr, err := process.ExecDir(-1, repo.LocalCopyPath(),
|
|
fmt.Sprintf("NewPullRequest(git apply --check): %d", repo.ID),
|
|
"git", "apply", "--check", patchPath)
|
|
if err != nil {
|
|
if strings.Contains(stderr, "patch does not apply") {
|
|
pr.Status = PULL_REQUEST_STATUS_CONFLICT
|
|
} else {
|
|
return fmt.Errorf("git apply --check: %v - %s", err, stderr)
|
|
}
|
|
}
|
|
|
|
pr.IssueID = pull.ID
|
|
pr.Index = pull.Index
|
|
if _, err = sess.Insert(pr); err != nil {
|
|
return fmt.Errorf("insert pull repo: %v", err)
|
|
}
|
|
|
|
return sess.Commit()
|
|
}
|
|
|
|
// GetUnmergedPullRequest returnss 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
|
|
}
|
|
|
|
// GetPullRequestByIssueID returns pull request by given issue ID.
|
|
func GetPullRequestByIssueID(pullID int64) (*PullRequest, error) {
|
|
pr := new(PullRequest)
|
|
has, err := x.Where("pull_id=?", pullID).Get(pr)
|
|
if err != nil {
|
|
return nil, err
|
|
} else if !has {
|
|
return nil, ErrPullRequestNotExist{0, pullID, 0, 0, "", ""}
|
|
}
|
|
return pr, nil
|
|
}
|