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gitea/services/pull/commit_status.go
Lunny Xiao 0a7d3ff786
refactor some functions to support ctx as first parameter (#21878)
Co-authored-by: KN4CK3R <admin@oldschoolhack.me>
Co-authored-by: Lauris BH <lauris@nix.lv>
2022-12-03 10:48:26 +08:00

150 lines
4.3 KiB
Go

// Copyright 2019 The Gitea Authors.
// All rights reserved.
// SPDX-License-Identifier: MIT
package pull
import (
"context"
"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/structs"
"github.com/pkg/errors"
)
// MergeRequiredContextsCommitStatus returns a commit status state for given required contexts
func MergeRequiredContextsCommitStatus(commitStatuses []*git_model.CommitStatus, requiredContexts []string) structs.CommitStatusState {
if len(requiredContexts) == 0 {
status := git_model.CalcCommitStatus(commitStatuses)
if status != nil {
return status.State
}
return structs.CommitStatusSuccess
}
returnedStatus := structs.CommitStatusSuccess
for _, ctx := range requiredContexts {
var targetStatus structs.CommitStatusState
for _, commitStatus := range commitStatuses {
if commitStatus.Context == ctx {
targetStatus = commitStatus.State
break
}
}
if targetStatus == "" {
targetStatus = structs.CommitStatusPending
commitStatuses = append(commitStatuses, &git_model.CommitStatus{
State: targetStatus,
Context: ctx,
Description: "Pending",
})
}
if targetStatus.NoBetterThan(returnedStatus) {
returnedStatus = targetStatus
}
}
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) {
if err := pr.LoadProtectedBranch(ctx); err != nil {
return false, errors.Wrap(err, "GetLatestCommitStatus")
}
if pr.ProtectedBranch == nil || !pr.ProtectedBranch.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 "", errors.Wrap(err, "LoadHeadRepo")
}
// check if all required status checks are successful
headGitRepo, closer, err := git.RepositoryFromContextOrOpen(ctx, pr.HeadRepo.RepoPath())
if err != nil {
return "", errors.Wrap(err, "OpenRepository")
}
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 "", errors.Wrap(err, "LoadBaseRepo")
}
commitStatuses, _, err := git_model.GetLatestCommitStatus(ctx, pr.BaseRepo.ID, sha, db.ListOptions{})
if err != nil {
return "", errors.Wrap(err, "GetLatestCommitStatus")
}
if err := pr.LoadProtectedBranch(ctx); err != nil {
return "", errors.Wrap(err, "LoadProtectedBranch")
}
var requiredContexts []string
if pr.ProtectedBranch != nil {
requiredContexts = pr.ProtectedBranch.StatusCheckContexts
}
return MergeRequiredContextsCommitStatus(commitStatuses, requiredContexts), nil
}