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12 changes: 12 additions & 0 deletions models/git/branch.go
Original file line number Diff line number Diff line change
Expand Up @@ -173,6 +173,18 @@ func GetBranch(ctx context.Context, repoID int64, branchName string) (*Branch, e
return &branch, nil
}

// IsBranchExist returns true if the branch exists in the repository.
func IsBranchExist(ctx context.Context, repoID int64, branchName string) (bool, error) {
var branch Branch
has, err := db.GetEngine(ctx).Where("repo_id=?", repoID).And("name=?", branchName).Get(&branch)
if err != nil {
return false, err
} else if !has {
return false, nil
}
return !branch.IsDeleted, nil
}

func GetBranches(ctx context.Context, repoID int64, branchNames []string, includeDeleted bool) ([]*Branch, error) {
branches := make([]*Branch, 0, len(branchNames))

Expand Down
83 changes: 27 additions & 56 deletions services/convert/pull.go
Original file line number Diff line number Diff line change
Expand Up @@ -389,7 +389,7 @@ func ToAPIPullRequests(ctx context.Context, baseRepo *repo_model.Repository, prs
},
Head: &api.PRBranchInfo{
Name: pr.HeadBranch,
Ref: fmt.Sprintf("%s%d/head", git.PullPrefix, pr.Index),
Ref: pr.GetGitRefName(),
RepoID: -1,
},
}
Expand Down Expand Up @@ -422,72 +422,43 @@ func ToAPIPullRequests(ctx context.Context, baseRepo *repo_model.Repository, prs
return nil, err
}
}

if baseBranch != nil {
apiPullRequest.Base.Sha = baseBranch.CommitID
}

if pr.Flow == issues_model.PullRequestFlowAGit {
apiPullRequest.Head.Sha, err = gitRepo.GetRefCommitID(pr.GetGitRefName())
// pull request head branch, both repository and branch could not exist
if pr.HeadRepo != nil {
apiPullRequest.Head.RepoID = pr.HeadRepo.ID
exist, err := git_model.IsBranchExist(ctx, pr.HeadRepo.ID, pr.HeadBranch)
if err != nil {
log.Error("GetRefCommitID[%s]: %v", pr.GetGitRefName(), err)
log.Error("IsBranchExist[%d]: %v", pr.HeadRepo.ID, err)
return nil, err
}
apiPullRequest.Head.RepoID = pr.BaseRepoID
apiPullRequest.Head.Repository = apiPullRequest.Base.Repository
apiPullRequest.Head.Name = ""
}

var headGitRepo *git.Repository
if pr.HeadRepo != nil && pr.Flow == issues_model.PullRequestFlowGithub {
if pr.HeadRepoID == pr.BaseRepoID {
apiPullRequest.Head.RepoID = pr.HeadRepo.ID
apiPullRequest.Head.Repository = apiRepo
headGitRepo = gitRepo
} else {
p, err := access_model.GetUserRepoPermission(ctx, pr.HeadRepo, doer)
if err != nil {
log.Error("GetUserRepoPermission[%d]: %v", pr.HeadRepoID, err)
p.AccessMode = perm.AccessModeNone
}

apiPullRequest.Head.RepoID = pr.HeadRepo.ID
apiPullRequest.Head.Repository = ToRepo(ctx, pr.HeadRepo, p)

headGitRepo, err = gitrepo.OpenRepository(ctx, pr.HeadRepo)
if err != nil {
log.Error("OpenRepository[%s]: %v", pr.HeadRepo.RepoPath(), err)
return nil, err
}
defer headGitRepo.Close()
if exist {
apiPullRequest.Head.Ref = pr.HeadBranch
}
}
if apiPullRequest.Head.Ref == "" {
apiPullRequest.Head.Ref = pr.GetGitRefName()
}

headBranch, err := headGitRepo.GetBranch(pr.HeadBranch)
if err != nil && !git.IsErrBranchNotExist(err) {
log.Error("GetBranch[%s]: %v", pr.HeadBranch, err)
return nil, err
if pr.HeadRepoID == pr.BaseRepoID {
apiPullRequest.Head.Repository = apiPullRequest.Base.Repository
} else {
p, err := access_model.GetUserRepoPermission(ctx, pr.HeadRepo, doer)
if err != nil {
log.Error("GetUserRepoPermission[%d]: %v", pr.HeadRepoID, err)
p.AccessMode = perm.AccessModeNone
}
apiPullRequest.Head.Repository = ToRepo(ctx, pr.HeadRepo, p)
}

if git.IsErrBranchNotExist(err) {
headCommitID, err := headGitRepo.GetRefCommitID(apiPullRequest.Head.Ref)
if err != nil && !git.IsErrNotExist(err) {
log.Error("GetCommit[%s]: %v", pr.HeadBranch, err)
return nil, err
}
if err == nil {
apiPullRequest.Head.Sha = headCommitID
}
} else {
commit, err := headBranch.GetCommit()
if err != nil && !git.IsErrNotExist(err) {
log.Error("GetCommit[%s]: %v", headBranch.Name, err)
return nil, err
}
if err == nil {
apiPullRequest.Head.Ref = pr.HeadBranch
apiPullRequest.Head.Sha = commit.ID.String()
}
}
if pr.Flow == issues_model.PullRequestFlowAGit {
apiPullRequest.Head.Name = ""
}
apiPullRequest.Head.Sha, err = gitRepo.GetRefCommitID(pr.GetGitRefName())
if err != nil {
log.Error("GetRefCommitID[%s]: %v", pr.GetGitRefName(), err)
}

if len(apiPullRequest.Head.Sha) == 0 && len(apiPullRequest.Head.Ref) != 0 {
Expand Down