[dak/master] dak/export_suite.py: skip existing files

[Ansgar Burchardt <ansgar@debian.org>]

---
 dak/export_suite.py |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/dak/export_suite.py b/dak/export_suite.py
index a4a5953..03d1184 100644
--- a/dak/export_suite.py
+++ b/dak/export_suite.py
@@ -77,7 +77,8 @@ def main(argv=None):
     with FilesystemTransaction() as fs:
         for f in files:
             dst = os.path.join(directory, f.basename)
-            fs.copy(f.fullpath, dst, symlink=symlink)
+            if not os.path.exists(dst):
+                fs.copy(f.fullpath, dst, symlink=symlink)
         fs.commit()
 
 if __name__ == '__main__':
-- 
1.7.2.5