[dak/master] Allow to specify a custom unpack directory in UnpackedSource class

[Luca Falavigna <dktrkranz@debian.org>]

---
 dak/make_changelog.py |    2 +-
 daklib/contents.py    |    5 +++--
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/dak/make_changelog.py b/dak/make_changelog.py
index 8f7453c..1f1b1ca 100755
--- a/dak/make_changelog.py
+++ b/dak/make_changelog.py
@@ -213,7 +213,7 @@ def export_files(session, archive, clpool, progress=False):
     for p in unpack.keys():
         package = os.path.splitext(os.path.basename(p))[0].split('_')
         try:
-            unpacked = UnpackedSource(p)
+            unpacked = UnpackedSource(p, clpool)
             tempdir = unpacked.get_root_directory()
             stats['unpack'] += 1
             if progress:
diff --git a/daklib/contents.py b/daklib/contents.py
index 0773407..e5abcac 100644
--- a/daklib/contents.py
+++ b/daklib/contents.py
@@ -394,11 +394,12 @@ class UnpackedSource(object):
     UnpackedSource extracts a source package into a temporary location and
     gives you some convinient function for accessing it.
     '''
-    def __init__(self, dscfilename):
+    def __init__(self, dscfilename, tmpbasedir=None):
         '''
         The dscfilename is a name of a DSC file that will be extracted.
         '''
-        temp_directory = mkdtemp(dir = Config()['Dir::TempPath'])
+        basedir = tmpbasedir if tmpbasedir else Config()['Dir::TempPath']
+        temp_directory = mkdtemp(dir = basedir)
         self.root_directory = os.path.join(temp_directory, 'root')
         command = ('dpkg-source', '--no-copy', '--no-check', '-q', '-x',
             dscfilename, self.root_directory)
-- 
1.7.2.5