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package operations
import (
"context"
"errors"
"fmt"
"regexp"
"strings"
"github.com/grpc-ecosystem/go-grpc-middleware/logging/logrus/ctxlogrus"
"gitlab.com/gitlab-org/gitaly/v15/internal/git"
"gitlab.com/gitlab-org/gitaly/v15/internal/git/localrepo"
"gitlab.com/gitlab-org/gitaly/v15/internal/git/updateref"
"gitlab.com/gitlab-org/gitaly/v15/internal/git2go"
"gitlab.com/gitlab-org/gitaly/v15/internal/helper"
"gitlab.com/gitlab-org/gitaly/v15/proto/go/gitalypb"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
)
const userUpdateSubmoduleName = "UserUpdateSubmodule"
//nolint:revive // This is unintentionally missing documentation.
func (s *Server) UserUpdateSubmodule(ctx context.Context, req *gitalypb.UserUpdateSubmoduleRequest) (*gitalypb.UserUpdateSubmoduleResponse, error) {
if err := validateUserUpdateSubmoduleRequest(req); err != nil {
return nil, status.Errorf(codes.InvalidArgument, userUpdateSubmoduleName+": %v", err)
}
return s.userUpdateSubmodule(ctx, req)
}
func validateUserUpdateSubmoduleRequest(req *gitalypb.UserUpdateSubmoduleRequest) error {
if req.GetRepository() == nil {
return fmt.Errorf("empty Repository")
}
if req.GetUser() == nil {
return fmt.Errorf("empty User")
}
if req.GetCommitSha() == "" {
return fmt.Errorf("empty CommitSha")
}
if match, err := regexp.MatchString(`\A[0-9a-f]{40}\z`, req.GetCommitSha()); !match || err != nil {
return fmt.Errorf("invalid CommitSha")
}
if len(req.GetBranch()) == 0 {
return fmt.Errorf("empty Branch")
}
if len(req.GetSubmodule()) == 0 {
return fmt.Errorf("empty Submodule")
}
if len(req.GetCommitMessage()) == 0 {
return fmt.Errorf("empty CommitMessage")
}
return nil
}
func (s *Server) updateSubmodule(ctx context.Context, quarantineRepo *localrepo.Repo, req *gitalypb.UserUpdateSubmoduleRequest) (string, error) {
/*
commit, err := quarantineRepo.ReadCommit(ctx, req.GetBranch())
if err != nil {
return "", fmt.Errorf("reading branch %s: %w", req.GetBranch(), err)
}
*/
/* get the blob of the submodule path of submdulepath/HEAD */
/* write a new blob for the HEAD */
/* write a new tree object for the submodule */
/* write a new commit with the tree */
return "", nil
}
func (s *Server) updateSubmoduleWithGit2Go(ctx context.Context, quarantineRepo *localrepo.Repo, req *gitalypb.UserUpdateSubmoduleRequest) (string, error) {
repoPath, err := quarantineRepo.Path()
if err != nil {
return "", fmt.Errorf("%s: locate repo: %w", userUpdateSubmoduleName, err)
}
authorDate, err := dateFromProto(req)
if err != nil {
return "", helper.ErrInvalidArgument(err)
}
result, err := s.git2goExecutor.Submodule(ctx, quarantineRepo, git2go.SubmoduleCommand{
Repository: repoPath,
AuthorMail: string(req.GetUser().GetEmail()),
AuthorName: string(req.GetUser().GetName()),
AuthorDate: authorDate,
Branch: string(req.GetBranch()),
CommitSHA: req.GetCommitSha(),
Submodule: string(req.GetSubmodule()),
Message: string(req.GetCommitMessage()),
})
if err != nil {
return "", err
}
return result.CommitID, nil
}
func (s *Server) userUpdateSubmodule(ctx context.Context, req *gitalypb.UserUpdateSubmoduleRequest) (*gitalypb.UserUpdateSubmoduleResponse, error) {
quarantineDir, quarantineRepo, err := s.quarantinedRepo(ctx, req.GetRepository())
if err != nil {
return nil, err
}
branches, err := quarantineRepo.GetBranches(ctx)
if err != nil {
return nil, fmt.Errorf("%s: get branches: %w", userUpdateSubmoduleName, err)
}
if len(branches) == 0 {
return &gitalypb.UserUpdateSubmoduleResponse{
CommitError: "Repository is empty",
}, nil
}
commitID, err := s.updateSubmoduleWithGit2Go(ctx, quarantineRepo, req)
if err != nil {
errStr := strings.TrimPrefix(err.Error(), "submodule: ")
errStr = strings.TrimSpace(errStr)
var resp *gitalypb.UserUpdateSubmoduleResponse
for _, legacyErr := range []string{
git2go.LegacyErrPrefixInvalidBranch,
git2go.LegacyErrPrefixInvalidSubmodulePath,
git2go.LegacyErrPrefixFailedCommit,
} {
if strings.HasPrefix(errStr, legacyErr) {
resp = &gitalypb.UserUpdateSubmoduleResponse{
CommitError: legacyErr,
}
ctxlogrus.
Extract(ctx).
WithError(err).
Error(userUpdateSubmoduleName + ": git2go subcommand failure")
break
}
}
if strings.Contains(errStr, "is already at") {
resp = &gitalypb.UserUpdateSubmoduleResponse{
CommitError: errStr,
}
}
if resp != nil {
return resp, nil
}
return nil, fmt.Errorf("%s: submodule subcommand: %w", userUpdateSubmoduleName, err)
}
commitOID, err := git.ObjectHashSHA1.FromHex(commitID)
if err != nil {
return nil, helper.ErrInvalidArgumentf("cannot parse commit ID: %w", err)
}
referenceName := git.NewReferenceNameFromBranchName(string(req.GetBranch()))
branchOID, err := quarantineRepo.ResolveRevision(ctx, referenceName.Revision())
if err != nil {
if errors.Is(err, git.ErrReferenceNotFound) {
return nil, helper.ErrInvalidArgumentf("Cannot find branch")
}
return nil, fmt.Errorf("%s: get branch: %w", userUpdateSubmoduleName, err)
}
if err := s.updateReferenceWithHooks(
ctx,
req.GetRepository(),
req.GetUser(),
quarantineDir,
referenceName,
commitOID,
branchOID,
); err != nil {
var customHookErr updateref.CustomHookError
if errors.As(err, &customHookErr) {
return &gitalypb.UserUpdateSubmoduleResponse{
PreReceiveError: customHookErr.Error(),
}, nil
}
var updateRefError updateref.Error
if errors.As(err, &updateRefError) {
return &gitalypb.UserUpdateSubmoduleResponse{
CommitError: err.Error(),
}, nil
}
return nil, err
}
return &gitalypb.UserUpdateSubmoduleResponse{
BranchUpdate: &gitalypb.OperationBranchUpdate{
CommitId: commitID,
BranchCreated: false,
RepoCreated: false,
},
}, nil
}
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