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Merge pull request 'Revert "avoid superfluous synchronized pull_request run when opening a PR"' (#2848) from earl-warren/forgejo:wip-revert-bad-race-fix into forgejo

Browse source 
Reviewed-on: https://codeberg.org/forgejo/forgejo/pulls/2848
Reviewed-by: oliverpool <oliverpool@noreply.codeberg.org>
This commit is contained in:
Earl Warren 2024-03-28 10:38:55 +00:00
commit 26f6a3b578
9 changed files with 94 additions and 336 deletions
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12
models/issues/issue_index.go
View file

@ -9,14 +9,6 @@ import (
"code.gitea.io/gitea/models/db"
)
func GetMaxIssueIndexForRepo(ctx context.Context, repoID int64) (int64, error) {
var max int64
if _, err := db.GetEngine(ctx).Select("MAX(`index`)").Table("issue").Where("repo_id=?", repoID).Get(&max); err != nil {
return 0, err
}
return max, nil
}
// RecalculateIssueIndexForRepo create issue_index for repo if not exist and
// update it based on highest index of existing issues assigned to a repo
func RecalculateIssueIndexForRepo(ctx context.Context, repoID int64) error {
@ -26,8 +18,8 @@ func RecalculateIssueIndexForRepo(ctx context.Context, repoID int64) error {
}
defer committer.Close()
max, err := GetMaxIssueIndexForRepo(ctx, repoID)
if err != nil {
var max int64
if _, err = db.GetEngine(ctx).Select(" MAX(`index`)").Table("issue").Where("repo_id=?", repoID).Get(&max); err != nil {
return err
}

38
models/issues/issue_index_test.go
View file

@ -1,38 +0,0 @@
// Copyright 2024 The Forgejo Authors
// SPDX-License-Identifier: MIT
package issues_test
import (
"testing"
"code.gitea.io/gitea/models/db"
issues_model "code.gitea.io/gitea/models/issues"
repo_model "code.gitea.io/gitea/models/repo"
"code.gitea.io/gitea/models/unittest"
"github.com/stretchr/testify/assert"
)
func TestGetMaxIssueIndexForRepo(t *testing.T) {
assert.NoError(t, unittest.PrepareTestDatabase())
repo := unittest.AssertExistsAndLoadBean(t, &repo_model.Repository{ID: 1})
maxPR, err := issues_model.GetMaxIssueIndexForRepo(db.DefaultContext, repo.ID)
assert.NoError(t, err)
issue := testCreateIssue(t, repo.ID, repo.OwnerID, "title1", "content1", false)
assert.Greater(t, issue.Index, maxPR)
maxPR, err = issues_model.GetMaxIssueIndexForRepo(db.DefaultContext, repo.ID)
assert.NoError(t, err)
pull := testCreateIssue(t, repo.ID, repo.OwnerID, "title2", "content2", true)
assert.Greater(t, pull.Index, maxPR)
maxPR, err = issues_model.GetMaxIssueIndexForRepo(db.DefaultContext, repo.ID)
assert.NoError(t, err)
assert.Equal(t, maxPR, pull.Index)
}

8
models/issues/pull_list.go
View file

@ -47,14 +47,6 @@ func listPullRequestStatement(ctx context.Context, baseRepoID int64, opts *PullR
return sess, nil
}
func GetUnmergedPullRequestsByHeadInfoMax(ctx context.Context, repoID, maxIndex int64, branch string) ([]*PullRequest, error) {
prs := make([]*PullRequest, 0, 2)
sess := db.GetEngine(ctx).
Join("INNER", "issue", "issue.id = `pull_request`.issue_id").
Where("`pull_request`.head_repo_id = ? AND `pull_request`.head_branch = ? AND `pull_request`.has_merged = ? AND `issue`.is_closed = ? AND `pull_request`.flow = ? AND `issue`.`index` <= ?", repoID, branch, false, false, PullRequestFlowGithub, maxIndex)
return prs, sess.Find(&prs)
}
// GetUnmergedPullRequestsByHeadInfo returns all pull requests that are open and has not been merged
func GetUnmergedPullRequestsByHeadInfo(ctx context.Context, repoID int64, branch string) ([]*PullRequest, error) {
prs := make([]*PullRequest, 0, 2)

86
models/issues/pull_test.go
View file

@ -4,7 +4,6 @@
package issues_test
import (
"fmt"
"testing"
"code.gitea.io/gitea/models/db"
@ -157,91 +156,6 @@ func TestGetUnmergedPullRequestsByHeadInfo(t *testing.T) {
}
}
func TestGetUnmergedPullRequestsByHeadInfoMax(t *testing.T) {
assert.NoError(t, unittest.PrepareTestDatabase())
repoID := int64(1)
maxPR := int64(0)
prs, err := issues_model.GetUnmergedPullRequestsByHeadInfoMax(db.DefaultContext, repoID, maxPR, "branch2")
assert.NoError(t, err)
assert.Len(t, prs, 0)
maxPR, err = issues_model.GetMaxIssueIndexForRepo(db.DefaultContext, repoID)
assert.NoError(t, err)
prs, err = issues_model.GetUnmergedPullRequestsByHeadInfoMax(db.DefaultContext, repoID, maxPR, "branch2")
assert.NoError(t, err)
assert.Len(t, prs, 1)
for _, pr := range prs {
assert.Equal(t, int64(1), pr.HeadRepoID)
assert.Equal(t, "branch2", pr.HeadBranch)
}
pr := prs[0]
for _, testCase := range []struct {
table string
field string
id int64
match any
nomatch any
}{
{
table: "issue",
field: "is_closed",
id: pr.IssueID,
match: false,
nomatch: true,
},
{
table: "pull_request",
field: "flow",
id: pr.ID,
match: issues_model.PullRequestFlowGithub,
nomatch: issues_model.PullRequestFlowAGit,
},
{
table: "pull_request",
field: "head_repo_id",
id: pr.ID,
match: pr.HeadRepoID,
nomatch: 0,
},
{
table: "pull_request",
field: "head_branch",
id: pr.ID,
match: pr.HeadBranch,
nomatch: "something else",
},
{
table: "pull_request",
field: "has_merged",
id: pr.ID,
match: false,
nomatch: true,
},
} {
t.Run(testCase.field, func(t *testing.T) {
update := fmt.Sprintf("UPDATE `%s` SET `%s` = ? WHERE `id` = ?", testCase.table, testCase.field)
// expect no match
_, err = db.GetEngine(db.DefaultContext).Exec(update, testCase.nomatch, testCase.id)
assert.NoError(t, err)
prs, err = issues_model.GetUnmergedPullRequestsByHeadInfoMax(db.DefaultContext, repoID, maxPR, "branch2")
assert.NoError(t, err)
assert.Len(t, prs, 0)
// expect one match
_, err = db.GetEngine(db.DefaultContext).Exec(update, testCase.match, testCase.id)
assert.NoError(t, err)
prs, err = issues_model.GetUnmergedPullRequestsByHeadInfoMax(db.DefaultContext, repoID, maxPR, "branch2")
assert.NoError(t, err)
assert.Len(t, prs, 1)
// identical to the known PR
assert.Equal(t, pr.ID, prs[0].ID)
})
}
}
func TestGetUnmergedPullRequestsByBaseInfo(t *testing.T) {
assert.NoError(t, unittest.PrepareTestDatabase())
prs, err := issues_model.GetUnmergedPullRequestsByBaseInfo(db.DefaultContext, 1, "master")

2
services/pull/merge.go
View file

@ -187,7 +187,7 @@ func Merge(ctx context.Context, pr *issues_model.PullRequest, doer *user_model.U
}
defer func() {
AddTestPullRequestTask(ctx, doer, pr.BaseRepo.ID, pr.BaseBranch, false, "", "")
go AddTestPullRequestTask(doer, pr.BaseRepo.ID, pr.BaseBranch, false, "", "")
}()
pr.MergedCommitID, err = doMergeAndPush(ctx, pr, doer, mergeStyle, expectedHeadCommitID, message)

192
services/pull/pull.go
View file

@ -292,129 +292,113 @@ func checkForInvalidation(ctx context.Context, requests issues_model.PullRequest
// AddTestPullRequestTask adds new test tasks by given head/base repository and head/base branch,
// and generate new patch for testing as needed.
func AddTestPullRequestTask(ctx context.Context, doer *user_model.User, repoID int64, branch string, isSync bool, oldCommitID, newCommitID string) {
// When TestPullRequest runs it must ignore any PR with an index > maxPR because they
// would have been created after the goroutine started. They are in the future.
// This guards the following race:
// * commit A is pushed
// * goroutine starts but does not run TestPullRequest yet
// * a pull request with commit A as the head is created
// * goroutine continues and runs TestPullRequest
maxPR, err := issues_model.GetMaxIssueIndexForRepo(ctx, repoID)
if err != nil {
log.Error("AddTestPullRequestTask GetMaxIssueIndexForRepo(%d): %v", repoID, err)
return
}
log.Trace("AddTestPullRequestTask [head_repo_id: %d, head_branch: %s]: only pull requests with index <= %d will be considered", repoID, branch, maxPR)
go graceful.GetManager().RunWithShutdownContext(func(ctx context.Context) {
func AddTestPullRequestTask(doer *user_model.User, repoID int64, branch string, isSync bool, oldCommitID, newCommitID string) {
log.Trace("AddTestPullRequestTask [head_repo_id: %d, head_branch: %s]: finding pull requests", repoID, branch)
graceful.GetManager().RunWithShutdownContext(func(ctx context.Context) {
// There is no sensible way to shut this down ":-("
// If you don't let it run all the way then you will lose data
// TODO: graceful: TestPullRequest needs to become a queue!
// TODO: graceful: AddTestPullRequestTask needs to become a queue!
TestPullRequest(ctx, doer, repoID, maxPR, branch, isSync, oldCommitID, newCommitID)
})
}
// GetUnmergedPullRequestsByHeadInfo() only return open and unmerged PR.
prs, err := issues_model.GetUnmergedPullRequestsByHeadInfo(ctx, repoID, branch)
if err != nil {
log.Error("Find pull requests [head_repo_id: %d, head_branch: %s]: %v", repoID, branch, err)
return
}
func TestPullRequest(ctx context.Context, doer *user_model.User, repoID, maxPR int64, branch string, isSync bool, oldCommitID, newCommitID string) {
// GetUnmergedPullRequestsByHeadInfo() only return open and unmerged PR.
prs, err := issues_model.GetUnmergedPullRequestsByHeadInfoMax(ctx, repoID, maxPR, branch)
if err != nil {
log.Error("Find pull requests [head_repo_id: %d, head_branch: %s]: %v", repoID, branch, err)
return
}
for _, pr := range prs {
log.Trace("Updating PR[id=%d,index=%d]: composing new test task", pr.ID, pr.Index)
if pr.Flow == issues_model.PullRequestFlowGithub {
if err := PushToBaseRepo(ctx, pr); err != nil {
log.Error("PushToBaseRepo: %v", err)
for _, pr := range prs {
log.Trace("Updating PR[%d]: composing new test task", pr.ID)
if pr.Flow == issues_model.PullRequestFlowGithub {
if err := PushToBaseRepo(ctx, pr); err != nil {
log.Error("PushToBaseRepo: %v", err)
continue
}
} else {
continue
}
} else {
continue
AddToTaskQueue(ctx, pr)
comment, err := CreatePushPullComment(ctx, doer, pr, oldCommitID, newCommitID)
if err == nil && comment != nil {
notify_service.PullRequestPushCommits(ctx, doer, pr, comment)
}
}
AddToTaskQueue(ctx, pr)
comment, err := CreatePushPullComment(ctx, doer, pr, oldCommitID, newCommitID)
if err == nil && comment != nil {
notify_service.PullRequestPushCommits(ctx, doer, pr, comment)
}
}
if isSync {
requests := issues_model.PullRequestList(prs)
if err = requests.LoadAttributes(ctx); err != nil {
log.Error("PullRequestList.LoadAttributes: %v", err)
}
if invalidationErr := checkForInvalidation(ctx, requests, repoID, doer, branch); invalidationErr != nil {
log.Error("checkForInvalidation: %v", invalidationErr)
}
if err == nil {
for _, pr := range prs {
objectFormat := git.ObjectFormatFromName(pr.BaseRepo.ObjectFormatName)
if newCommitID != "" && newCommitID != objectFormat.EmptyObjectID().String() {
changed, err := checkIfPRContentChanged(ctx, pr, oldCommitID, newCommitID)
if err != nil {
log.Error("checkIfPRContentChanged: %v", err)
}
if changed {
// Mark old reviews as stale if diff to mergebase has changed
if err := issues_model.MarkReviewsAsStale(ctx, pr.IssueID); err != nil {
log.Error("MarkReviewsAsStale: %v", err)
}
// dismiss all approval reviews if protected branch rule item enabled.
pb, err := git_model.GetFirstMatchProtectedBranchRule(ctx, pr.BaseRepoID, pr.BaseBranch)
if isSync {
requests := issues_model.PullRequestList(prs)
if err = requests.LoadAttributes(ctx); err != nil {
log.Error("PullRequestList.LoadAttributes: %v", err)
}
if invalidationErr := checkForInvalidation(ctx, requests, repoID, doer, branch); invalidationErr != nil {
log.Error("checkForInvalidation: %v", invalidationErr)
}
if err == nil {
for _, pr := range prs {
objectFormat := git.ObjectFormatFromName(pr.BaseRepo.ObjectFormatName)
if newCommitID != "" && newCommitID != objectFormat.EmptyObjectID().String() {
changed, err := checkIfPRContentChanged(ctx, pr, oldCommitID, newCommitID)
if err != nil {
log.Error("GetFirstMatchProtectedBranchRule: %v", err)
log.Error("checkIfPRContentChanged: %v", err)
}
if pb != nil && pb.DismissStaleApprovals {
if err := DismissApprovalReviews(ctx, doer, pr); err != nil {
log.Error("DismissApprovalReviews: %v", err)
if changed {
// Mark old reviews as stale if diff to mergebase has changed
if err := issues_model.MarkReviewsAsStale(ctx, pr.IssueID); err != nil {
log.Error("MarkReviewsAsStale: %v", err)
}
// dismiss all approval reviews if protected branch rule item enabled.
pb, err := git_model.GetFirstMatchProtectedBranchRule(ctx, pr.BaseRepoID, pr.BaseBranch)
if err != nil {
log.Error("GetFirstMatchProtectedBranchRule: %v", err)
}
if pb != nil && pb.DismissStaleApprovals {
if err := DismissApprovalReviews(ctx, doer, pr); err != nil {
log.Error("DismissApprovalReviews: %v", err)
}
}
}
if err := issues_model.MarkReviewsAsNotStale(ctx, pr.IssueID, newCommitID); err != nil {
log.Error("MarkReviewsAsNotStale: %v", err)
}
divergence, err := GetDiverging(ctx, pr)
if err != nil {
log.Error("GetDiverging: %v", err)
} else {
err = pr.UpdateCommitDivergence(ctx, divergence.Ahead, divergence.Behind)
if err != nil {
log.Error("UpdateCommitDivergence: %v", err)
}
}
}
if err := issues_model.MarkReviewsAsNotStale(ctx, pr.IssueID, newCommitID); err != nil {
log.Error("MarkReviewsAsNotStale: %v", err)
}
divergence, err := GetDiverging(ctx, pr)
if err != nil {
log.Error("GetDiverging: %v", err)
} else {
err = pr.UpdateCommitDivergence(ctx, divergence.Ahead, divergence.Behind)
if err != nil {
log.Error("UpdateCommitDivergence: %v", err)
}
}
notify_service.PullRequestSynchronized(ctx, doer, pr)
}
notify_service.PullRequestSynchronized(ctx, doer, pr)
}
}
}
log.Trace("TestPullRequest [base_repo_id: %d, base_branch: %s]: finding pull requests", repoID, branch)
prs, err = issues_model.GetUnmergedPullRequestsByBaseInfo(ctx, repoID, branch)
if err != nil {
log.Error("Find pull requests [base_repo_id: %d, base_branch: %s]: %v", repoID, branch, err)
return
}
for _, pr := range prs {
divergence, err := GetDiverging(ctx, pr)
log.Trace("AddTestPullRequestTask [base_repo_id: %d, base_branch: %s]: finding pull requests", repoID, branch)
prs, err = issues_model.GetUnmergedPullRequestsByBaseInfo(ctx, repoID, branch)
if err != nil {
if git_model.IsErrBranchNotExist(err) && !git.IsBranchExist(ctx, pr.HeadRepo.RepoPath(), pr.HeadBranch) {
log.Warn("Cannot test PR %s/%d: head_branch %s no longer exists", pr.BaseRepo.Name, pr.IssueID, pr.HeadBranch)
} else {
log.Error("GetDiverging: %v", err)
}
} else {
err = pr.UpdateCommitDivergence(ctx, divergence.Ahead, divergence.Behind)
if err != nil {
log.Error("UpdateCommitDivergence: %v", err)
}
log.Error("Find pull requests [base_repo_id: %d, base_branch: %s]: %v", repoID, branch, err)
return
}
AddToTaskQueue(ctx, pr)
}
for _, pr := range prs {
divergence, err := GetDiverging(ctx, pr)
if err != nil {
if git_model.IsErrBranchNotExist(err) && !git.IsBranchExist(ctx, pr.HeadRepo.RepoPath(), pr.HeadBranch) {
log.Warn("Cannot test PR %s/%d: head_branch %s no longer exists", pr.BaseRepo.Name, pr.IssueID, pr.HeadBranch)
} else {
log.Error("GetDiverging: %v", err)
}
} else {
err = pr.UpdateCommitDivergence(ctx, divergence.Ahead, divergence.Behind)
if err != nil {
log.Error("UpdateCommitDivergence: %v", err)
}
}
AddToTaskQueue(ctx, pr)
}
})
}
// checkIfPRContentChanged checks if diff to target branch has changed by push

4
services/pull/update.go
View file

@ -36,7 +36,7 @@ func Update(ctx context.Context, pr *issues_model.PullRequest, doer *user_model.
if rebase {
defer func() {
AddTestPullRequestTask(ctx, doer, pr.BaseRepo.ID, pr.BaseBranch, false, "", "")
go AddTestPullRequestTask(doer, pr.BaseRepo.ID, pr.BaseBranch, false, "", "")
}()
return updateHeadByRebaseOnToBase(ctx, pr, doer, message)
@ -75,7 +75,7 @@ func Update(ctx context.Context, pr *issues_model.PullRequest, doer *user_model.
_, err = doMergeAndPush(ctx, reversePR, doer, repo_model.MergeStyleMerge, "", message)
defer func() {
AddTestPullRequestTask(ctx, doer, reversePR.HeadRepo.ID, reversePR.HeadBranch, false, "", "")
go AddTestPullRequestTask(doer, reversePR.HeadRepo.ID, reversePR.HeadBranch, false, "", "")
}()
return err

2
services/repository/push.go
View file

@ -166,7 +166,7 @@ func pushUpdates(optsList []*repo_module.PushUpdateOptions) error {
branch := opts.RefFullName.BranchName()
if !opts.IsDelRef() {
log.Trace("TriggerTask '%s/%s' by %s", repo.Name, branch, pusher.Name)
pull_service.AddTestPullRequestTask(ctx, pusher, repo.ID, branch, true, opts.OldCommitID, opts.NewCommitID)
go pull_service.AddTestPullRequestTask(pusher, repo.ID, branch, true, opts.OldCommitID, opts.NewCommitID)
newCommit, err := gitRepo.GetCommit(opts.NewCommitID)
if err != nil {

86
tests/integration/pull_request_task_test.go
View file

@ -1,86 +0,0 @@
// Copyright 2024 The Forgejo Authors
// SPDX-License-Identifier: MIT
package integration
import (
"context"
"testing"
"time"
issues_model "code.gitea.io/gitea/models/issues"
repo_model "code.gitea.io/gitea/models/repo"
"code.gitea.io/gitea/models/unittest"
user_model "code.gitea.io/gitea/models/user"
"code.gitea.io/gitea/modules/git"
"code.gitea.io/gitea/modules/log"
repo_module "code.gitea.io/gitea/modules/repository"
"code.gitea.io/gitea/modules/test"
pull_service "code.gitea.io/gitea/services/pull"
repo_service "code.gitea.io/gitea/services/repository"
"code.gitea.io/gitea/tests"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestPullRequestSynchronized(t *testing.T) {
defer tests.PrepareTestEnv(t)()
// unmerged pull request of user2/repo1 from branch2 to master
pull := unittest.AssertExistsAndLoadBean(t, &issues_model.PullRequest{ID: 2})
// tip of tests/gitea-repositories-meta/user2/repo1 branch2
pull.HeadCommitID = "985f0301dba5e7b34be866819cd15ad3d8f508ee"
require.Equal(t, pull.HeadRepoID, pull.BaseRepoID)
repo := unittest.AssertExistsAndLoadBean(t, &repo_model.Repository{ID: pull.HeadRepoID})
owner := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: repo.OwnerID})
t.Run("AddTestPullRequestTask", func(t *testing.T) {
logChecker, cleanup := test.NewLogChecker(log.DEFAULT, log.TRACE)
logChecker.Filter("Updating PR").StopMark("TestPullRequest ")
defer cleanup()
opt := &repo_module.PushUpdateOptions{
PusherID: owner.ID,
PusherName: owner.Name,
RepoUserName: owner.Name,
RepoName: repo.Name,
RefFullName: git.RefName("refs/heads/branch2"),
OldCommitID: pull.HeadCommitID,
NewCommitID: pull.HeadCommitID,
}
require.NoError(t, repo_service.PushUpdate(opt))
logFiltered, logStopped := logChecker.Check(5 * time.Second)
assert.True(t, logStopped)
assert.True(t, logFiltered[0])
})
for _, testCase := range []struct {
name string
maxPR int64
expected bool
}{
{
name: "TestPullRequest process PR",
maxPR: pull.Index,
expected: true,
},
{
name: "TestPullRequest skip PR",
maxPR: pull.Index - 1,
expected: false,
},
} {
t.Run(testCase.name, func(t *testing.T) {
logChecker, cleanup := test.NewLogChecker(log.DEFAULT, log.TRACE)
logChecker.Filter("Updating PR").StopMark("TestPullRequest ")
defer cleanup()
pull_service.TestPullRequest(context.Background(), owner, repo.ID, testCase.maxPR, "branch2", true, pull.HeadCommitID, pull.HeadCommitID)
logFiltered, logStopped := logChecker.Check(5 * time.Second)
assert.True(t, logStopped)
assert.Equal(t, testCase.expected, logFiltered[0])
})
}
}