diff --git a/swh/loader/dir/tasks.py b/swh/loader/dir/tasks.py
index 981ba36..a3e3a94 100644
--- a/swh/loader/dir/tasks.py
+++ b/swh/loader/dir/tasks.py
@@ -1,106 +1,106 @@
 # Copyright (C) 2015  The Software Heritage developers
 # See the AUTHORS file at the top-level directory of this distribution
 # License: GNU General Public License version 3, or any later version
 # See top-level LICENSE file for more information
 
 import shutil
 import tempfile
 import tarfile
 
 from swh.core.scheduling import Task
 
 from swh.loader.dir.loader import DirLoader
 
 
 class LoadDirRepository(Task):
     """Import a directory to Software Heritage
 
     """
     task_queue = 'swh_loader_dir'
 
     CONFIG_BASE_FILENAME = 'loader/dir.ini'
     ADDITIONAL_CONFIG = {}
 
     def __init__(self):
         self.config = DirLoader.parse_config_file(
             base_filename=self.CONFIG_BASE_FILENAME,
             additional_configs=[self.ADDITIONAL_CONFIG],
         )
 
     def run(self, dir_path, origin, revision, release, occurrences):
         """Import a directory.
 
         Args:
             cf. swh.loader.dir.loader.run docstring
 
         """
         loader = DirLoader(self.config)
         loader.log = self.log
         loader.process(dir_path, origin, revision, release, occurrences)
 
 
-def untar(tar_path, dir_path):
+def uncompress(tar_path, dir_path):
     """Decompress an archive tar_path to dir_path.
 
     At the end of this call, dir_path contains the tarball's
     uncompressed content.
 
     Args:
         tar_path: the path to access the tarball
         dir_path: The path where to extract the tarball's content.
     """
     with tarfile.open(tar_path) as tarball:
         tarball.extractall(path=dir_path)
 
 
 class LoadTarRepository(LoadDirRepository):
     """Import a tarball to Software Heritage
 
     """
     task_queue = 'swh_loader_tar'
 
     CONFIG_BASE_FILENAME = 'loader/tar.ini'
     ADDITIONAL_CONFIG = {
         'extraction_dir': ('str', '/tmp/swh.loader.tar/'),
     }
 
     def run(self, tar_path, origin, revision, release, occurrences):
         """Import a tarball tar_path.
 
         Args:
             - tar_path: path access to the tarball
             - origin, revision, release, occurrences: see LoadDirRepository.run
 
         """
         extraction_dir = self.config['extraction_dir']
         dir_path = tempfile.mkdtemp(prefix='swh.loader.tar',
                                     dir=extraction_dir)
 
-        # unarchive in dir_path
-        untar(tar_path, dir_path)
+        self.log.info('Uncompress %s to %s' % (tar_path, dir_path))
+        uncompress(tar_path, dir_path)
 
         if 'type' not in origin:  # let the type flow if present
             origin['type'] = 'tar'
 
         try:
             super().run(dir_path, origin, revision, release, occurrences)
         finally:  # always clean up
             shutil.rmtree(dir_path)
 
 
 class LoadTarRepositoryPrint(LoadDirRepository):
     """Import a tarball to Software Heritage
 
     DEBUG purposes
     """
     task_queue = 'swh_loader_tar_print'
 
     def run(self, tar_path, origin, revision, release, occurrences):
         """Import a tarball tar_path.
 
         Args:
             - tar_path: path access to the tarball
             - origin, revision, release, occurrences: see LoadDirRepository.run
 
         """
         print(tar_path, origin, revision, release, occurrences)