Add lzma unpacking by lzma command.

pym/cl_distr.py

@@ -921,9 +921,11 @@ class ArchiveDistributive(Distributive):
         elif "7-zip archive data" in mes:
             return "7z"
         elif file and file.endswith(".tar.lzma"):
-            return "7z"
-        else:
-            return None
+            if path.exists('/usr/bin/7za'):
+                return "7z"
+            else:
+                return "lzma"
+        return None
 
     def _unpackArchive(self,archfile,directory):
         """Unpack archive"""
@@ -939,6 +941,9 @@ class ArchiveDistributive(Distributive):
         if archiveType == "7z":
             res,mes = self.runOsCommand("7za x -so %s | tar xf - -C %s/"%
                 (archfile,directory))
+        elif archiveType == "lzma":
+            res,mes = self.runOsCommand("lzma -dc %s | tar xf - -C %s/"%
+                (archfile,directory))
         elif archiveType == "bzip2":
             res,mes = self.runOsCommand("tar xjf %s -C %s/"%
                 (archfile,directory))