spacewalk-repo-sync downloads the same packages each time it is run

Issue

• Using spacewalk-repo-sync to populate a channel with the packages from a HP repo results in the same packages being synced each time:

[root@satellite ~]# spacewalk-repo-sync  --channel hprhel5 --type yum -u http://downloads.linux.hp.com/SDR/downloads/ServicePackforProLiant/RedHatEnterpriseServer/5Server/x86_64/current/
Repo URL: http://downloads.linux.hp.com/SDR/downloads/ServicePackforProLiant/RedHatEnterpriseServer/5Server/x86_64/current/
Packages in repo:               220
Packages already synced:        139
Packages to sync:                19
1/19 : kmod-hpvsa-rhel5-1.2.2-3-0.x86_64
2/19 : kmod-hpahcisr-rhel5-1.2.6-11-0.x86_64
3/19 : kmod-cciss-rhel5-3.6.28-20-0.x86_64
4/19 : kmod-hpahcisr-xen-rhel5-1.2.6-11-0.x86_64
5/19 : kmod-cciss-rhel5-3.6.28-20-0.x86_64
6/19 : kmod-cciss-rhel5-3.6.28-17-0.x86_64
7/19 : kmod-mpt2sas-13.10.02.00-1-0.x86_64
8/19 : kmod-cciss-xen-rhel5-3.6.28-17-0.x86_64
9/19 : kmod-mpt2sas-10.10.22.00-1-0.x86_64
10/19 : kmod-cciss-xen-rhel5-3.6.28-17-0.x86_64
11/19 : kmod-cciss-xen-rhel5-3.6.28-20-0.x86_64
12/19 : kmod-hpahcisr-rhel5-1.2.6-13-0.x86_64
13/19 : kmod-mpt2sas-xen-13.10.02.00-2-0.x86_64
14/19 : kmod-mpt2sas-xen-13.10.02.00-1-0.x86_64
15/19 : kmod-mpt2sas-xen-10.10.22.00-1-0.x86_64
16/19 : kmod-cciss-xen-rhel5-3.6.28-20-0.x86_64
17/19 : kmod-hpvsa-xen-rhel5-1.2.2-3-0.x86_64
18/19 : kmod-cciss-rhel5-3.6.28-17-0.x86_64
19/19 : kmod-mpt2sas-13.10.02.00-2-0.x86_64
Repo http://downloads.linux.hp.com/SDR/downloads/ServicePackforProLiant/RedHatEnterpriseServer/5Server/x86_64/current/ has 0 errata.
Sync completed.
Total time: 0:00:16

[root@satellite ~]# spacewalk-repo-sync  --channel hprhel5 --type yum -u http://downloads.linux.hp.com/SDR/downloads/ServicePackforProLiant/RedHatEnterpriseServer/5Server/x86_64/current/
Repo URL: http://downloads.linux.hp.com/SDR/downloads/ServicePackforProLiant/RedHatEnterpriseServer/5Server/x86_64/current/
Packages in repo:               220
Packages already synced:        139
Packages to sync:                19
1/19 : kmod-hpvsa-rhel5-1.2.2-3-0.x86_64
2/19 : kmod-hpahcisr-rhel5-1.2.6-11-0.x86_64
3/19 : kmod-cciss-rhel5-3.6.28-20-0.x86_64
4/19 : kmod-hpahcisr-xen-rhel5-1.2.6-11-0.x86_64
5/19 : kmod-cciss-rhel5-3.6.28-20-0.x86_64
6/19 : kmod-cciss-rhel5-3.6.28-17-0.x86_64
7/19 : kmod-mpt2sas-13.10.02.00-1-0.x86_64
8/19 : kmod-cciss-xen-rhel5-3.6.28-17-0.x86_64
9/19 : kmod-mpt2sas-10.10.22.00-1-0.x86_64
10/19 : kmod-cciss-xen-rhel5-3.6.28-17-0.x86_64
11/19 : kmod-cciss-xen-rhel5-3.6.28-20-0.x86_64
12/19 : kmod-hpahcisr-rhel5-1.2.6-13-0.x86_64
13/19 : kmod-mpt2sas-xen-13.10.02.00-2-0.x86_64
14/19 : kmod-mpt2sas-xen-13.10.02.00-1-0.x86_64
15/19 : kmod-mpt2sas-xen-10.10.22.00-1-0.x86_64
16/19 : kmod-cciss-xen-rhel5-3.6.28-20-0.x86_64
17/19 : kmod-hpvsa-xen-rhel5-1.2.2-3-0.x86_64
18/19 : kmod-cciss-rhel5-3.6.28-17-0.x86_64
19/19 : kmod-mpt2sas-13.10.02.00-2-0.x86_64
Repo http://downloads.linux.hp.com/SDR/downloads/ServicePackforProLiant/RedHatEnterpriseServer/5Server/x86_64/current/ has 0 errata.
Sync completed.
Total time: 0:00:16

• This has also been reported on custom repositories as well.