// NewGit returns the handler to be used for the Git server
func NewGit(s3Client *s3.Client, bucketName, tmpDir string) http.Handler {
hdl := githttp.New(tmpDir)
// hdl.UploadPack = false
hdl.FillRepo = func(repoDir string) error {
if !strings.HasPrefix(repoDir, tmpDir) {
return fmt.Errorf("invalid repoDir in FillRepo (%s)", repoDir)
}
packageName := repoDir[len(tmpDir)+1:]
if err := os.MkdirAll(repoDir, os.ModePerm); err != nil {
log.Printf("error creating %s (%s)", repoDir, err)
return fmt.Errorf("error creating %s (%s)", repoDir, err)
}
objInfo, err := storage.PackageExists(s3Client, bucketName, packageName)
needsDownload := true
if err != nil {
if err := gitClone(packageName, repoDir); err != nil {
log.Printf("Error git cloning %s (%s)", packageName, err)
return err
}
if err := storage.UploadPackage(s3Client, bucketName, packageName, repoDir); err != nil {
log.Printf("Error uploading package %s from %s (%s)", packageName, repoDir, err)
}
needsDownload = false
}
if needsDownload {
obj, err := s3Client.GetObject(bucketName, objInfo.Key)
if err != nil {
log.Printf("Error downloading %s from bucket %s (%s)", objInfo.Key, bucketName, err)
return err
}
if err := storage.UntarToDisk(obj, repoDir); err != nil {
log.Printf("Error untarring %s to %s (%s)", objInfo.Key, repoDir, err)
return err
}
}
return nil
}
return hdl
}
