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gitea/services/agit/agit.go
Lunny Xiao 263a716cb5
Performance optimization for git push (#30104)
Agit returned result should be from `ProcReceive` hook but not
`PostReceive` hook. Then for all non-agit pull requests, it will not
check the pull requests for every pushing `refs/pull/%d/head`.
2024-04-09 03:43:17 +00:00

249 lines
8.0 KiB
Go

// Copyright 2021 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package agit
import (
"context"
"fmt"
"os"
"strconv"
"strings"
issues_model "code.gitea.io/gitea/models/issues"
repo_model "code.gitea.io/gitea/models/repo"
user_model "code.gitea.io/gitea/models/user"
"code.gitea.io/gitea/modules/git"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/private"
"code.gitea.io/gitea/modules/setting"
notify_service "code.gitea.io/gitea/services/notify"
pull_service "code.gitea.io/gitea/services/pull"
)
// ProcReceive handle proc receive work
func ProcReceive(ctx context.Context, repo *repo_model.Repository, gitRepo *git.Repository, opts *private.HookOptions) ([]private.HookProcReceiveRefResult, error) {
results := make([]private.HookProcReceiveRefResult, 0, len(opts.OldCommitIDs))
topicBranch := opts.GitPushOptions["topic"]
forcePush, _ := strconv.ParseBool(opts.GitPushOptions["force-push"])
title := strings.TrimSpace(opts.GitPushOptions["title"])
description := strings.TrimSpace(opts.GitPushOptions["description"]) // TODO: Add more options?
objectFormat := git.ObjectFormatFromName(repo.ObjectFormatName)
userName := strings.ToLower(opts.UserName)
pusher, err := user_model.GetUserByID(ctx, opts.UserID)
if err != nil {
return nil, fmt.Errorf("failed to get user. Error: %w", err)
}
for i := range opts.OldCommitIDs {
if opts.NewCommitIDs[i] == objectFormat.EmptyObjectID().String() {
results = append(results, private.HookProcReceiveRefResult{
OriginalRef: opts.RefFullNames[i],
OldOID: opts.OldCommitIDs[i],
NewOID: opts.NewCommitIDs[i],
Err: "Can't delete not exist branch",
})
continue
}
if !opts.RefFullNames[i].IsFor() {
results = append(results, private.HookProcReceiveRefResult{
IsNotMatched: true,
OriginalRef: opts.RefFullNames[i],
})
continue
}
baseBranchName := opts.RefFullNames[i].ForBranchName()
curentTopicBranch := ""
if !gitRepo.IsBranchExist(baseBranchName) {
// try match refs/for/<target-branch>/<topic-branch>
for p, v := range baseBranchName {
if v == '/' && gitRepo.IsBranchExist(baseBranchName[:p]) && p != len(baseBranchName)-1 {
curentTopicBranch = baseBranchName[p+1:]
baseBranchName = baseBranchName[:p]
break
}
}
}
if len(topicBranch) == 0 && len(curentTopicBranch) == 0 {
results = append(results, private.HookProcReceiveRefResult{
OriginalRef: opts.RefFullNames[i],
OldOID: opts.OldCommitIDs[i],
NewOID: opts.NewCommitIDs[i],
Err: "topic-branch is not set",
})
continue
}
if len(curentTopicBranch) == 0 {
curentTopicBranch = topicBranch
}
// because different user maybe want to use same topic,
// So it's better to make sure the topic branch name
// has user name prefix
var headBranch string
if !strings.HasPrefix(curentTopicBranch, userName+"/") {
headBranch = userName + "/" + curentTopicBranch
} else {
headBranch = curentTopicBranch
}
pr, err := issues_model.GetUnmergedPullRequest(ctx, repo.ID, repo.ID, headBranch, baseBranchName, issues_model.PullRequestFlowAGit)
if err != nil {
if !issues_model.IsErrPullRequestNotExist(err) {
return nil, fmt.Errorf("failed to get unmerged agit flow pull request in repository: %s Error: %w", repo.FullName(), err)
}
var commit *git.Commit
if title == "" || description == "" {
commit, err = gitRepo.GetCommit(opts.NewCommitIDs[i])
if err != nil {
return nil, fmt.Errorf("failed to get commit %s in repository: %s Error: %w", opts.NewCommitIDs[i], repo.FullName(), err)
}
}
// create a new pull request
if title == "" {
title = strings.Split(commit.CommitMessage, "\n")[0]
}
if description == "" {
_, description, _ = strings.Cut(commit.CommitMessage, "\n\n")
}
if description == "" {
description = title
}
prIssue := &issues_model.Issue{
RepoID: repo.ID,
Title: title,
PosterID: pusher.ID,
Poster: pusher,
IsPull: true,
Content: description,
}
pr := &issues_model.PullRequest{
HeadRepoID: repo.ID,
BaseRepoID: repo.ID,
HeadBranch: headBranch,
HeadCommitID: opts.NewCommitIDs[i],
BaseBranch: baseBranchName,
HeadRepo: repo,
BaseRepo: repo,
MergeBase: "",
Type: issues_model.PullRequestGitea,
Flow: issues_model.PullRequestFlowAGit,
}
if err := pull_service.NewPullRequest(ctx, repo, prIssue, []int64{}, []string{}, pr, []int64{}); err != nil {
return nil, err
}
log.Trace("Pull request created: %d/%d", repo.ID, prIssue.ID)
results = append(results, private.HookProcReceiveRefResult{
Ref: pr.GetGitRefName(),
OriginalRef: opts.RefFullNames[i],
OldOID: objectFormat.EmptyObjectID().String(),
NewOID: opts.NewCommitIDs[i],
IsCreatePR: true,
URL: fmt.Sprintf("%s/pulls/%d", repo.HTMLURL(), pr.Index),
ShouldShowMessage: setting.Git.PullRequestPushMessage && repo.AllowsPulls(ctx),
HeadBranch: headBranch,
})
continue
}
// update exist pull request
if err := pr.LoadBaseRepo(ctx); err != nil {
return nil, fmt.Errorf("unable to load base repository for PR[%d] Error: %w", pr.ID, err)
}
oldCommitID, err := gitRepo.GetRefCommitID(pr.GetGitRefName())
if err != nil {
return nil, fmt.Errorf("unable to get ref commit id in base repository for PR[%d] Error: %w", pr.ID, err)
}
if oldCommitID == opts.NewCommitIDs[i] {
results = append(results, private.HookProcReceiveRefResult{
OriginalRef: opts.RefFullNames[i],
OldOID: opts.OldCommitIDs[i],
NewOID: opts.NewCommitIDs[i],
Err: "new commit is same with old commit",
})
continue
}
if !forcePush {
output, _, err := git.NewCommand(ctx, "rev-list", "--max-count=1").
AddDynamicArguments(oldCommitID, "^"+opts.NewCommitIDs[i]).
RunStdString(&git.RunOpts{Dir: repo.RepoPath(), Env: os.Environ()})
if err != nil {
return nil, fmt.Errorf("failed to detect force push: %w", err)
} else if len(output) > 0 {
results = append(results, private.HookProcReceiveRefResult{
OriginalRef: opts.RefFullNames[i],
OldOID: opts.OldCommitIDs[i],
NewOID: opts.NewCommitIDs[i],
Err: "request `force-push` push option",
})
continue
}
}
pr.HeadCommitID = opts.NewCommitIDs[i]
if err = pull_service.UpdateRef(ctx, pr); err != nil {
return nil, fmt.Errorf("failed to update pull ref. Error: %w", err)
}
pull_service.AddToTaskQueue(ctx, pr)
err = pr.LoadIssue(ctx)
if err != nil {
return nil, fmt.Errorf("failed to load pull issue. Error: %w", err)
}
comment, err := pull_service.CreatePushPullComment(ctx, pusher, pr, oldCommitID, opts.NewCommitIDs[i])
if err == nil && comment != nil {
notify_service.PullRequestPushCommits(ctx, pusher, pr, comment)
}
notify_service.PullRequestSynchronized(ctx, pusher, pr)
isForcePush := comment != nil && comment.IsForcePush
results = append(results, private.HookProcReceiveRefResult{
OldOID: oldCommitID,
NewOID: opts.NewCommitIDs[i],
Ref: pr.GetGitRefName(),
OriginalRef: opts.RefFullNames[i],
IsForcePush: isForcePush,
IsCreatePR: false,
URL: fmt.Sprintf("%s/pulls/%d", repo.HTMLURL(), pr.Index),
ShouldShowMessage: setting.Git.PullRequestPushMessage && repo.AllowsPulls(ctx),
})
}
return results, nil
}
// UserNameChanged handle user name change for agit flow pull
func UserNameChanged(ctx context.Context, user *user_model.User, newName string) error {
pulls, err := issues_model.GetAllUnmergedAgitPullRequestByPoster(ctx, user.ID)
if err != nil {
return err
}
newName = strings.ToLower(newName)
for _, pull := range pulls {
pull.HeadBranch = strings.TrimPrefix(pull.HeadBranch, user.LowerName+"/")
pull.HeadBranch = newName + "/" + pull.HeadBranch
if err = pull.UpdateCols(ctx, "head_branch"); err != nil {
return err
}
}
return nil
}