Description of problem:
When you have channel with arch X and repo with packages of arch Y and you attempt to sync that repo to the channel, you obtain error message (good) and traceback (bad) and spacewalk-repo-sync ends on first error like this (bad).


Version-Release number of selected component (if applicable):
In both these versions:
spacewalk-backend-tools-1.2.13-58.el5sat
spacewalk-backend-tools-1.2.13-61.el5sat


How reproducible:
always


Steps to Reproduce:
1. Have repo "myrepo" with x86_64 packages configured on satellite
2. Assign that repo to channel "myrepo-channel"
3. Run the sync:
# spacewalk-repo-sync -c myrepo-channel
Repo http://<fqdn>/pub/myrepo/ has 3 packages.
1/3 : libreoffice-langpack-el-3.4.3.2-11.fc16-1.x86_64
Package arch x86_64 incompatible with channel myrepo-channel
Traceback (most recent call last):
  File "/usr/bin/spacewalk-repo-sync", line 72, in ?
    sys.exit(abs(main() or 0))
  File "/usr/bin/spacewalk-repo-sync", line 66, in main
    sync.main()
  File "/usr/share/rhn/satellite_tools/reposync.py", line 103, in main
    self.import_packages(plugin, url)
  File "/usr/share/rhn/satellite_tools/reposync.py", line 192, in import_packages
    finally_remove(localpath)
UnboundLocalError: local variable 'localpath' referenced before assignment


Actual results:
Traceback


Expected results:
Error message should be shown but s-r-c should try to sync next package.