forgejo/services/repository/commitstatus/commitstatus.go

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// Copyright 2024 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package commitstatus
import (
"context"
"crypto/sha256"
"fmt"
"code.gitea.io/gitea/models/db"
git_model "code.gitea.io/gitea/models/git"
repo_model "code.gitea.io/gitea/models/repo"
user_model "code.gitea.io/gitea/models/user"
"code.gitea.io/gitea/modules/cache"
"code.gitea.io/gitea/modules/git"
"code.gitea.io/gitea/modules/gitrepo"
"code.gitea.io/gitea/modules/log"
api "code.gitea.io/gitea/modules/structs"
"code.gitea.io/gitea/services/automerge"
)
func getCacheKey(repoID int64, brancheName string) string {
hashBytes := sha256.Sum256([]byte(fmt.Sprintf("%d:%s", repoID, brancheName)))
return fmt.Sprintf("commit_status:%x", hashBytes)
}
func updateCommitStatusCache(ctx context.Context, repoID int64, branchName string, status api.CommitStatusState) error {
c := cache.GetCache()
return c.Put(getCacheKey(repoID, branchName), string(status), 3*24*60)
}
func deleteCommitStatusCache(ctx context.Context, repoID int64, branchName string) error {
c := cache.GetCache()
return c.Delete(getCacheKey(repoID, branchName))
}
// CreateCommitStatus creates a new CommitStatus given a bunch of parameters
// NOTE: All text-values will be trimmed from whitespaces.
// Requires: Repo, Creator, SHA
func CreateCommitStatus(ctx context.Context, repo *repo_model.Repository, creator *user_model.User, sha string, status *git_model.CommitStatus) error {
repoPath := repo.RepoPath()
// confirm that commit is exist
gitRepo, closer, err := gitrepo.RepositoryFromContextOrOpen(ctx, repo)
if err != nil {
return fmt.Errorf("OpenRepository[%s]: %w", repoPath, err)
}
defer closer.Close()
objectFormat := git.ObjectFormatFromName(repo.ObjectFormatName)
commit, err := gitRepo.GetCommit(sha)
if err != nil {
return fmt.Errorf("GetCommit[%s]: %w", sha, err)
}
if len(sha) != objectFormat.FullLength() {
// use complete commit sha
sha = commit.ID.String()
}
if err := git_model.NewCommitStatus(ctx, git_model.NewCommitStatusOptions{
Repo: repo,
Creator: creator,
SHA: commit.ID,
CommitStatus: status,
}); err != nil {
return fmt.Errorf("NewCommitStatus[repo_id: %d, user_id: %d, sha: %s]: %w", repo.ID, creator.ID, sha, err)
}
defaultBranchCommit, err := gitRepo.GetBranchCommit(repo.DefaultBranch)
if err != nil {
return fmt.Errorf("GetBranchCommit[%s]: %w", repo.DefaultBranch, err)
}
if commit.ID.String() == defaultBranchCommit.ID.String() { // since one commit status updated, the combined commit status should be invalid
if err := deleteCommitStatusCache(ctx, repo.ID, repo.DefaultBranch); err != nil {
log.Error("deleteCommitStatusCache[%d:%s] failed: %v", repo.ID, repo.DefaultBranch, err)
}
}
if status.State.IsSuccess() {
if err := automerge.MergeScheduledPullRequest(ctx, sha, repo); err != nil {
return fmt.Errorf("MergeScheduledPullRequest[repo_id: %d, user_id: %d, sha: %s]: %w", repo.ID, creator.ID, sha, err)
}
}
return nil
}
// FindReposLastestCommitStatuses loading repository default branch latest combinded commit status with cache
func FindReposLastestCommitStatuses(ctx context.Context, repos []*repo_model.Repository) ([]*git_model.CommitStatus, error) {
results := make([]*git_model.CommitStatus, len(repos))
c := cache.GetCache()
for i, repo := range repos {
status, ok := c.Get(getCacheKey(repo.ID, repo.DefaultBranch)).(string)
if ok && status != "" {
results[i] = &git_model.CommitStatus{State: api.CommitStatusState(status)}
}
}
// collect the latest commit of each repo
// at most there are dozens of repos (limited by MaxResponseItems), so it's not a big problem at the moment
repoBranchNames := make(map[int64]string, len(repos))
for i, repo := range repos {
if results[i] == nil {
repoBranchNames[repo.ID] = repo.DefaultBranch
}
}
repoIDsToLatestCommitSHAs, err := git_model.FindBranchesByRepoAndBranchName(ctx, repoBranchNames)
if err != nil {
return nil, fmt.Errorf("FindBranchesByRepoAndBranchName: %v", err)
}
// call the database O(1) times to get the commit statuses for all repos
repoToItsLatestCommitStatuses, err := git_model.GetLatestCommitStatusForPairs(ctx, repoIDsToLatestCommitSHAs, db.ListOptionsAll)
if err != nil {
return nil, fmt.Errorf("GetLatestCommitStatusForPairs: %v", err)
}
for i, repo := range repos {
if results[i] == nil {
results[i] = git_model.CalcCommitStatus(repoToItsLatestCommitStatuses[repo.ID])
if results[i].State != "" {
if err := updateCommitStatusCache(ctx, repo.ID, repo.DefaultBranch, results[i].State); err != nil {
log.Error("updateCommitStatusCache[%d:%s] failed: %v", repo.ID, repo.DefaultBranch, err)
}
}
}
}
return results, nil
}