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package repository
import (
"context"
"encoding/base64"
"fmt"
"net/url"
"os"
"gitlab.com/gitlab-org/gitaly/internal/command"
"gitlab.com/gitlab-org/gitaly/internal/git"
"gitlab.com/gitlab-org/gitaly/internal/helper"
"gitlab.com/gitlab-org/gitaly/proto/go/gitalypb"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
)
func cloneFromURLCommand(ctx context.Context, repoURL, repositoryFullPath string) (*command.Command, error) {
u, err := url.Parse(repoURL)
if err != nil {
return nil, helper.ErrInternal(err)
}
flags := []git.Option{git.Flag{Name: "--bare"}, git.ValueFlag{Name: "-c", Value: "http.followRedirects=false"}}
if u.User != nil {
pwd, set := u.User.Password()
var creds string
if set {
creds = u.User.Username() + ":" + pwd
} else {
creds = u.User.Username()
}
u.User = nil
authHeader := fmt.Sprintf("Authorization: Basic %s", base64.StdEncoding.EncodeToString([]byte(creds)))
flags = append(flags, git.ValueFlag{Name: "-c", Value: fmt.Sprintf("http.%s.extraHeader=%s", u.String(), authHeader)})
}
return git.SafeBareCmd(ctx, nil, nil, nil, nil, nil, git.SubCmd{
Name: "clone",
Flags: flags,
PostSepArgs: []string{u.String(), repositoryFullPath},
})
}
func (s *server) CreateRepositoryFromURL(ctx context.Context, req *gitalypb.CreateRepositoryFromURLRequest) (*gitalypb.CreateRepositoryFromURLResponse, error) {
if err := validateCreateRepositoryFromURLRequest(req); err != nil {
return nil, status.Errorf(codes.InvalidArgument, "CreateRepositoryFromURL: %v", err)
}
repository := req.Repository
repositoryFullPath, err := helper.GetRepositoryPath(repository, s.storages)
if err != nil {
return nil, err
}
if _, err := os.Stat(repositoryFullPath); !os.IsNotExist(err) {
return nil, status.Errorf(codes.InvalidArgument, "CreateRepositoryFromURL: dest dir exists")
}
cmd, err := cloneFromURLCommand(ctx, req.GetUrl(), repositoryFullPath)
if err != nil {
return nil, helper.ErrInternal(err)
}
if err := cmd.Wait(); err != nil {
os.RemoveAll(repositoryFullPath)
return nil, status.Errorf(codes.Internal, "CreateRepositoryFromURL: clone cmd wait: %v", err)
}
// CreateRepository is harmless on existing repositories with the side effect that it creates the hook symlink.
if _, err := s.CreateRepository(ctx, &gitalypb.CreateRepositoryRequest{Repository: repository}); err != nil {
return nil, status.Errorf(codes.Internal, "CreateRepositoryFromURL: create hooks failed: %v", err)
}
if err := removeOriginInRepo(ctx, repository); err != nil {
return nil, status.Errorf(codes.Internal, "CreateRepositoryFromURL: %v", err)
}
return &gitalypb.CreateRepositoryFromURLResponse{}, nil
}
func validateCreateRepositoryFromURLRequest(req *gitalypb.CreateRepositoryFromURLRequest) error {
if req.GetRepository() == nil {
return fmt.Errorf("empty Repository")
}
if req.GetUrl() == "" {
return fmt.Errorf("empty Url")
}
return nil
}
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