guess_comp_type: return empty string for orig_file with no compression

Change-Id: Ic123febfc9298ce7e6b3ea0d880404744d4b5dd6

diff --git a/gbp/scripts/buildpackage_rpm.py b/gbp/scripts/buildpackage_rpm.py
index 00b8dec8afc0d46423dc662198b06068bee5bfbe..783c424b10727f7219fd5b6fcf54d2b8f5739f4a 100755 (executable)
--- a/gbp/scripts/buildpackage_rpm.py
+++ b/gbp/scripts/buildpackage_rpm.py
@@ -199,6 +199,8 @@ def git_archive_build_orig(repo, spec, output_dir, options):
 
 
 def guess_comp_type(spec):
+    if not spec.orig_comp:
+        return ''
     if spec.orig_comp in compressor_opts:
         return spec.orig_comp
     if spec.orig_comp in compressor_aliases: