Change package format to use XZ compression

Version of the new package format is 1.2. Delta support is not ready yet.

pisi/archive.py

@@ -463,7 +463,8 @@ class ArchiveZip(ArchiveBase):
                 self.zip_obj.writestr(attr, dest)
             else:
                 comp_type = zipfile.ZIP_DEFLATED
-                if file_name.endswith(ctx.const.lzma_suffix):
+                if file_name.endswith((ctx.const.lzma_suffix,
+                                       ctx.const.xz_suffix)):
                     comp_type = zipfile.ZIP_STORED
                 self.zip_obj.write(file_name, arc_name, comp_type)
 

pisi/constants.py

@@ -53,6 +53,8 @@ class Constants:
 
         # suffix for lzma
         self.__c.lzma_suffix = ".lzma"
+        # suffix for xz
+        self.__c.xz_suffix = ".xz"
 
         self.__c.partial_suffix = ".part"
 
@@ -87,6 +89,7 @@ class Constants:
         self.__c.metadata_xml = "metadata.xml"
         self.__c.install_tar = "install.tar"
         self.__c.install_tar_lzma = "install.tar.lzma"
+        self.__c.install_tar_xz = "install.tar.xz"
         self.__c.mirrors_conf = "/etc/pisi/mirrors.conf"
         self.__c.sandbox_conf = "/etc/pisi/sandbox.conf"
         self.__c.blacklist = "/etc/pisi/blacklist"

pisi/operations/build.py

@@ -166,8 +166,8 @@ class Builder:
     """Provides the package build and creation routines"""
     #FIXME: this class and every other class must use URLs as paths!
 
-    package_formats = ("1.0", "1.1")
-    default_package_format = "1.1"
+    package_formats = ("1.0", "1.1", "1.2")
+    default_package_format = "1.2"
 
     @staticmethod
     def from_name(name):
@@ -1122,19 +1122,28 @@ class Builder:
                         orgname = util.join_path("debug", finfo.path)
                     pkg.add_to_package(orgname, arcname)
                 pkg.close()
-            else: # default package format is 1.1, so make it fallback.
+            else:
+                if self.target_package_format == "1.1":
+                    archive_format = "tarlzma"
+                    archive_suffix = ctx.const.lzma_suffix
+                else:
+                    archive_format = "tarxz"
+                    archive_suffix = ctx.const.xz_suffix
+
+                archive_name = ctx.const.install_tar + archive_suffix
+
                 ctx.build_leftover = util.join_path(self.pkg_dir(),
-                                                    ctx.const.install_tar_lzma)
-                tar = archive.ArchiveTar(ctx.const.install_tar_lzma, "tarlzma")
+                                                    archive_name)
+                tar = archive.ArchiveTar(archive_name, archive_format)
                 for finfo in files.list:
                     orgname = util.join_path("install", finfo.path)
                     if package.debug_package:
                         orgname = util.join_path("debug", finfo.path)
                     tar.add_to_archive(orgname, finfo.path)
                 tar.close()
-                pkg.add_to_package(ctx.const.install_tar_lzma)
+                pkg.add_to_package(archive_name)
                 pkg.close()
-                os.unlink(ctx.const.install_tar_lzma)
+                os.unlink(archive_name)
                 ctx.build_leftover = None
 
             os.chdir(c)

pisi/package.py

@@ -119,10 +119,20 @@ class Package:
                     ctx.ui.notify(pisi.ui.desktopfile, desktopfile=tarinfo.name)
 
 
-        if self.impl.has_file(ctx.const.install_tar_lzma):
-            lzmafile = self.impl.open(ctx.const.install_tar_lzma)
-            tar = archive.ArchiveTar(fileobj=lzmafile,
-                                     arch_type="tarlzma",
+        # TODO: Read metadata to get package format
+
+        archive_name = None
+        if self.impl.has_file(ctx.const.install_tar_xz):
+            archive_name = ctx.const.install_tar_xz
+            archive_format = "tarxz"
+        elif self.impl.has_file(ctx.const.install_tar_lzma):
+            archive_name = ctx.const.install_tar_lzma
+            archive_format = "tarlzma"
+
+        if archive_name:
+            archive_file = self.impl.open(archive_name)
+            tar = archive.ArchiveTar(fileobj=archive_file,
+                                     arch_type=archive_format,
                                      no_same_permissions=False,
                                      no_same_owner=False)
             tar.unpack_dir(outdir, callback=callback)