buildpackage_rpm: fix crash when running prebuild hook

GitRepository.git_dir is not callable.

Change-Id: Ibc2040b8a36e60a9499b29ea675caa7a8fc8c968
Signed-off-by: Markus Lehtonen <markus.lehtonen@linux.intel.com>

diff --git a/gbp/scripts/buildpackage_rpm.py b/gbp/scripts/buildpackage_rpm.py
index 6dc5b59..20230ab 100755 (executable)
--- a/gbp/scripts/buildpackage_rpm.py
+++ b/gbp/scripts/buildpackage_rpm.py
@@ -640,7 +640,7 @@ def main(argv):
             if not options.export_only and not options.tag_only:
                 if options.prebuild:
                     RunAtCommand(options.prebuild, shell=True,
-                                 extra_env={'GBP_GIT_DIR': repo.git_dir(),
+                                 extra_env={'GBP_GIT_DIR': repo.git_dir,
                                             'GBP_BUILD_DIR': export_dir})(dir=export_dir)
 
                 # Finally build the package: