forgejo/services/pull/commit_status.go
Gusted f25eeb7695
[GITEA] Use existing error functionality
- There's no need to use `github.com/pkg/errors` when the standard
library already has the functionality to wrap and create errors.

(cherry picked from commit 40f603a538)
(cherry picked from commit aa68a2753f)
(cherry picked from commit 48e252d739)
(cherry picked from commit cc6f40ccd2)
(cherry picked from commit 03c4b97358)
2023-12-18 16:39:20 +01:00

162 lines
4.8 KiB
Go

// Copyright 2019 The Gitea Authors.
// All rights reserved.
// SPDX-License-Identifier: MIT
package pull
import (
"context"
"errors"
"fmt"
"code.gitea.io/gitea/models/db"
git_model "code.gitea.io/gitea/models/git"
issues_model "code.gitea.io/gitea/models/issues"
"code.gitea.io/gitea/modules/git"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/structs"
"github.com/gobwas/glob"
)
// MergeRequiredContextsCommitStatus returns a commit status state for given required contexts
func MergeRequiredContextsCommitStatus(commitStatuses []*git_model.CommitStatus, requiredContexts []string) structs.CommitStatusState {
// matchedCount is the number of `CommitStatus.Context` that match any context of `requiredContexts`
matchedCount := 0
returnedStatus := structs.CommitStatusSuccess
if len(requiredContexts) > 0 {
requiredContextsGlob := make(map[string]glob.Glob, len(requiredContexts))
for _, ctx := range requiredContexts {
if gp, err := glob.Compile(ctx); err != nil {
log.Error("glob.Compile %s failed. Error: %v", ctx, err)
} else {
requiredContextsGlob[ctx] = gp
}
}
for _, commitStatus := range commitStatuses {
var targetStatus structs.CommitStatusState
for _, gp := range requiredContextsGlob {
if gp.Match(commitStatus.Context) {
targetStatus = commitStatus.State
matchedCount++
break
}
}
if targetStatus != "" && targetStatus.NoBetterThan(returnedStatus) {
returnedStatus = targetStatus
}
}
}
if matchedCount == 0 {
status := git_model.CalcCommitStatus(commitStatuses)
if status != nil {
return status.State
}
return structs.CommitStatusSuccess
}
return returnedStatus
}
// IsCommitStatusContextSuccess returns true if all required status check contexts succeed.
func IsCommitStatusContextSuccess(commitStatuses []*git_model.CommitStatus, requiredContexts []string) bool {
// If no specific context is required, require that last commit status is a success
if len(requiredContexts) == 0 {
status := git_model.CalcCommitStatus(commitStatuses)
if status == nil || status.State != structs.CommitStatusSuccess {
return false
}
return true
}
for _, ctx := range requiredContexts {
var found bool
for _, commitStatus := range commitStatuses {
if commitStatus.Context == ctx {
if commitStatus.State != structs.CommitStatusSuccess {
return false
}
found = true
break
}
}
if !found {
return false
}
}
return true
}
// IsPullCommitStatusPass returns if all required status checks PASS
func IsPullCommitStatusPass(ctx context.Context, pr *issues_model.PullRequest) (bool, error) {
pb, err := git_model.GetFirstMatchProtectedBranchRule(ctx, pr.BaseRepoID, pr.BaseBranch)
if err != nil {
return false, fmt.Errorf("GetFirstMatchProtectedBranchRule: %w", err)
}
if pb == nil || !pb.EnableStatusCheck {
return true, nil
}
state, err := GetPullRequestCommitStatusState(ctx, pr)
if err != nil {
return false, err
}
return state.IsSuccess(), nil
}
// GetPullRequestCommitStatusState returns pull request merged commit status state
func GetPullRequestCommitStatusState(ctx context.Context, pr *issues_model.PullRequest) (structs.CommitStatusState, error) {
// Ensure HeadRepo is loaded
if err := pr.LoadHeadRepo(ctx); err != nil {
return "", fmt.Errorf("LoadHeadRepo: %w", err)
}
// check if all required status checks are successful
headGitRepo, closer, err := git.RepositoryFromContextOrOpen(ctx, pr.HeadRepo.RepoPath())
if err != nil {
return "", fmt.Errorf("RepositoryFromContextOrOpen: %w", err)
}
defer closer.Close()
if pr.Flow == issues_model.PullRequestFlowGithub && !headGitRepo.IsBranchExist(pr.HeadBranch) {
return "", errors.New("head branch does not exist, can not merge")
}
if pr.Flow == issues_model.PullRequestFlowAGit && !git.IsReferenceExist(ctx, headGitRepo.Path, pr.GetGitRefName()) {
return "", errors.New("head branch does not exist, can not merge")
}
var sha string
if pr.Flow == issues_model.PullRequestFlowGithub {
sha, err = headGitRepo.GetBranchCommitID(pr.HeadBranch)
} else {
sha, err = headGitRepo.GetRefCommitID(pr.GetGitRefName())
}
if err != nil {
return "", err
}
if err := pr.LoadBaseRepo(ctx); err != nil {
return "", fmt.Errorf("LoadBaseRepo: %w", err)
}
commitStatuses, _, err := git_model.GetLatestCommitStatus(ctx, pr.BaseRepo.ID, sha, db.ListOptions{ListAll: true})
if err != nil {
return "", fmt.Errorf("GetLatestCommitStatus: %w", err)
}
pb, err := git_model.GetFirstMatchProtectedBranchRule(ctx, pr.BaseRepoID, pr.BaseBranch)
if err != nil {
return "", fmt.Errorf("GetFirstMatchProtectedBranchRule: %w", err)
}
var requiredContexts []string
if pb != nil {
requiredContexts = pb.StatusCheckContexts
}
return MergeRequiredContextsCommitStatus(commitStatuses, requiredContexts), nil
}