Reposync on a custom channel syncing same packages multiple times

Issue

Running a reposync on a custom channel multiple times results in the same packages being synced multiple times. The packages appear to be available in the channels in satellite. The spacewalk-repo-sync seems to think the packages aren't in the channel and tries to re download them.

$ sudo /usr/bin/spacewalk-repo-sync -c rhel5-x86_64-vmware_tools
Repo URL: http://packages.vmware.com/tools/esx/5.5latest/rhel5/x86_64/
Packages in repo:                45
Packages already synced:         35
Packages to sync:                10
1/10 : vmware-tools-xorg-drv-mouse-12.7.0.0-1.el5-0.x86_64
2/10 : kmod-vmware-tools-vmci-9.8.1.0-2.6.18.8.el5.5.el5-0.x86_64
3/10 : kmod-vmware-tools-vmmemctl-1.3.2.0-2.6.18.8.el5.5.el5-0.x86_64
4/10 : kmod-vmware-tools-vmxnet-2.1.0.0-2.6.18.8.el5.5.el5-0.x86_64
5/10 : kmod-vmware-tools-vmsync-1.1.0.1-2.6.18.8.el5.5.el5-0.x86_64
6/10 : kmod-vmware-tools-vsock-9.8.1.0-2.6.18.8.el5.5.el5-0.x86_64
7/10 : vmware-tools-xorg-drv-display-11.0.99.4-1.el5-0.x86_64
8/10 : kmod-vmware-tools-pvscsi-1.2.3.0-2.6.18.8.el5.5.el5-0.x86_64
9/10 : kmod-vmware-tools-vmblock-1.1.2.0-2.6.18.8.el5.5.el5-0.x86_64
10/10 : kmod-vmware-tools-vmxnet3-1.4.2.0-2.6.18.8.el5.5.el5-0.x86_64