# HG changeset patch
# User Bernhard Herzog <bh@intevation.de>
# Date 1211564655 0
# Node ID bea9f1cc0bef197c2bc6e90f23c189e15a731fa7
# Parent  84a1716827f851f501f53111393428f9f5f08a83
Try to determine dependencies only when treepkg is fully configured.
That is, don't try to parse debian/control if the debian directory does
not exist, a situation that most likely happens when running
bin/inittreepkg.py to configure the tree packager instance.

diff -r 84a1716827f8 -r bea9f1cc0bef treepkg/packager.py
--- a/treepkg/packager.py	Fri May 23 16:42:52 2008 +0000
+++ b/treepkg/packager.py	Fri May 23 17:44:15 2008 +0000
@@ -311,7 +311,12 @@
 
         requires = ()
         provides = ()
-        if self.handle_dependencies:
+        # only try to parse the control file if the debian directory
+        # exists.  If the debian directory doesn't exist yet, the tree
+        # packager is likely still being configured and this code may be
+        # run indirectly from e. g. bin/inittreepkg.py in which case the
+        # init_treepkg method will report the missing debian
+        if self.handle_dependencies and os.path.exists(self.debian_dir):
             control = debian.DebianControlFile(os.path.join(self.debian_dir,
                                                             "control"))
             requires = control.build_depends