package: Add tmp_dir parameter to constructor

Different operations might use different temp dirs.

pisi/operations/build.py

@@ -1084,7 +1084,9 @@ class Builder:
 
             ctx.ui.info(_("Creating PiSi package %s.") % name)
 
-            pkg = pisi.package.Package(name, "w", self.target_package_format)
+            pkg = pisi.package.Package(name, "w",
+                                       format=self.target_package_format,
+                                       tmp_dir=self.pkg_dir())
 
             # add comar files to package
             os.chdir(self.specdir)

pisi/package.py

@@ -54,7 +54,7 @@ class Package:
         archive_name = ctx.const.install_tar + archive_suffix
         return archive_name, archive_format
 
-    def __init__(self, packagefn, mode='r', format=None):
+    def __init__(self, packagefn, mode='r', format=None, tmp_dir=None):
         self.filepath = packagefn
         url = pisi.uri.URI(packagefn)
 
@@ -83,6 +83,8 @@ class Package:
         if self.format not in Package.formats:
             raise Error(_("Unsupported package format: %s") % format)
 
+        self.tmp_dir = tmp_dir or ctx.config.tmp_dir()
+
     def fetch_remote_file(self, url):
         dest = ctx.config.cached_packages_dir()
         self.filepath = os.path.join(dest, url.filename())
@@ -117,11 +119,7 @@ class Package:
         if self.install_archive is None:
             archive_name, archive_format = \
                     self.archive_name_and_format(self.format)
-            pkg_dir = "-".join((self.metadata.package.name,
-                                self.metadata.package.version,
-                                self.metadata.package.release))
-            self.install_archive_path = util.join_path(ctx.config.tmp_dir(),
-                                                       pkg_dir,
+            self.install_archive_path = util.join_path(self.tmp_dir,
                                                        archive_name)
             ctx.build_leftover = self.install_archive_path
             self.install_archive = archive.ArchiveTar(