git_inter_diff: run git diff in a temporary repository
more readable initialization of the .repo repositories
pass get_head a repos hash and a date explicitly
attempt to catch changes across repositories
minor fix
debugging
turn scanning of repo into a sub
try to rescan repositories whose manifest entry changed
delete old repo copy on rescan
minor fixes
git_inter_diff: fix cases in which only one repository exists
check_apply: die earlier on bogus input
more sensible default dates
support noupdate flag in get_head
git_inter_diff: fix for empty repositories
use "git add --all ." rather than "git add --all"
return success from cat_file
fixes to make manifest changes kind of work