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Code Issues Projects Releases Packages Wiki Activity Actions 8

Move database operations of merging a pull request to post receive hook and add a transaction (#30805)

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Merging PR may fail because of various problems. The pull request may
have a dirty state because there is no transaction when merging a pull
request. ref
https://github.com/go-gitea/gitea/pull/25741#issuecomment-2074126393

This PR moves all database update operations to post-receive handler for
merging a pull request and having a database transaction. That means if
database operations fail, then the git merging will fail, the git client
will get a fail result.

There are already many tests for pull request merging, so we don't need
to add a new one.

---------

Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>
(cherry picked from commit ebf0c969403d91ed80745ff5bd7dfbdb08174fc7)

Conflicts:
	modules/private/hook.go
	routers/private/hook_post_receive.go
	trivial conflicts because
	  263a716cb5 * Performance optimization for git push (#30104)
	was not cherry-picked and because of
	  998a431747 Do not update PRs based on events that happened before they existed
This commit is contained in:
Lunny Xiao 2024-05-07 15:36:48 +08:00 • committed by Earl Warren
parent 1f56a49f28
commit eb792d9f8a
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8 changed files with 150 additions and 18 deletions
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49
routers/private/hook_post_receive_test.go Normal file
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@ -0,0 +1,49 @@
// Copyright 2024 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package private
import (
"testing"
"code.gitea.io/gitea/models/db"
issues_model "code.gitea.io/gitea/models/issues"
pull_model "code.gitea.io/gitea/models/pull"
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/private"
repo_module "code.gitea.io/gitea/modules/repository"
"code.gitea.io/gitea/services/contexttest"
"github.com/stretchr/testify/assert"
)
func TestHandlePullRequestMerging(t *testing.T) {
assert.NoError(t, unittest.PrepareTestDatabase())
pr, err := issues_model.GetUnmergedPullRequest(db.DefaultContext, 1, 1, "branch2", "master", issues_model.PullRequestFlowGithub)
assert.NoError(t, err)
assert.NoError(t, pr.LoadBaseRepo(db.DefaultContext))
user1 := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 1})
err = pull_model.ScheduleAutoMerge(db.DefaultContext, user1, pr.ID, repo_model.MergeStyleSquash, "squash merge a pr")
assert.NoError(t, err)
autoMerge := unittest.AssertExistsAndLoadBean(t, &pull_model.AutoMerge{PullID: pr.ID})
ctx, resp := contexttest.MockPrivateContext(t, "/")
handlePullRequestMerging(ctx, &private.HookOptions{
PullRequestID: pr.ID,
UserID: 2,
}, pr.BaseRepo.OwnerName, pr.BaseRepo.Name, []*repo_module.PushUpdateOptions{
{NewCommitID: "01234567"},
})
assert.Equal(t, 0, len(resp.Body.String()))
pr, err = issues_model.GetPullRequestByID(db.DefaultContext, pr.ID)
assert.NoError(t, err)
assert.True(t, pr.HasMerged)
assert.EqualValues(t, "01234567", pr.MergedCommitID)
unittest.AssertNotExistsBean(t, &pull_model.AutoMerge{ID: autoMerge.ID})
}