sync_commit: refactor out file downloads

This part is almost completely self-contained, except building the list
of delta filenames that we use later to check their md5sums. Refactor it
into a static method so we can bring most of the code in sync_commit
closer to the method name.

Signed-off-by: Dan McGee <dan@archlinux.org>

0 files changed, 0 insertions, 0 deletions