From 40639cb172fa1801ebd121152bb2e9159aa7c255 Mon Sep 17 00:00:00 2001
From: Bastian Kleineidam <calvin@debian.org>
Date: Wed, 23 May 2012 05:19:27 +0200
Subject: [PATCH] Fix tar compression options.

---
 patoolib/programs/star.py | 17 +----------------
 patoolib/programs/tar.py  | 17 ++++++++++++-----
 2 files changed, 13 insertions(+), 21 deletions(-)

diff --git a/patoolib/programs/star.py b/patoolib/programs/star.py
index 384ff73..e51755d 100644
--- a/patoolib/programs/star.py
+++ b/patoolib/programs/star.py
@@ -14,6 +14,7 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 """Archive commands for the star program."""
+from .tar import add_tar_opts as add_star_opts
 
 def extract_tar (archive, compression, cmd, **kwargs):
     """Extract a TAR archive."""
@@ -38,19 +39,3 @@ def create_tar (archive, compression, cmd, *args, **kwargs):
     cmdlist.append("file=%s" % archive)
     cmdlist.extend(args)
     return cmdlist
-
-def add_star_opts (cmdlist, compression, verbose):
-    """Add default options for the star program."""
-    # Note that star autodetects compression compression, but displays a warning
-    # which we want to avoid.
-    if compression == 'gzip':
-        cmdlist.append('-z')
-    elif compression == 'compress':
-        cmdlist.append('-Z')
-    elif compression == 'bzip2':
-        cmdlist.append('-bz')
-    elif compression in ('lzma', 'xz', 'lzip'):
-        # use compress-program option
-        cmdlist.append('compress-program=%s' % compression)
-    if verbose:
-        cmdlist.append('-v')
diff --git a/patoolib/programs/tar.py b/patoolib/programs/tar.py
index 2a775a9..997140e 100644
--- a/patoolib/programs/tar.py
+++ b/patoolib/programs/tar.py
@@ -40,10 +40,17 @@ def create_tar (archive, compression, cmd, *args, **kwargs):
     return cmdlist
 
 def add_tar_opts (cmdlist, compression, verbose):
-    if compression == 'lzip':
-        # use compress-program option
-        cmdlist.extend(['--use-compress-program', compression])
-    elif compression:
-        cmdlist.append('--%s' % compression)
+    if compression == 'gzip':
+        cmdlist.append('-z')
+    elif compression == 'compress':
+        cmdlist.append('-Z')
+    elif compression == 'bzip2':
+        cmdlist.append('-j')
+    elif compression in ('lzma', 'xz', 'lzip'):
+        # use the compression name as program name since
+        # tar is picky which programs it can use
+        program = compression
+        # set compression program
+        cmdlist.extend(['--use-compress-program', program])
     if verbose:
         cmdlist.append('--verbose')