Don't try mirrors if we detect a replay attack
Don't try mirrors if we detect a replay attack

If the upstream site provides a version of the feed older than the
one in the cache, report the problem immediately instead of trying
a mirror. There's clearly something seriously wrong in this case.

gfxmonk/0install,fdopen/0install,timdiels/0install,bartbes/0install,0install/0install,michel-slm/0install,HoMeCracKeR/0install,dbenamy/0install,jaychoo/0install,timdiels/zeroinstall,afb/0install,timdiels/zeroinstall,michel-slm/0install,afb/0install,dabrahams/0install,jaychoo/0install,timdiels/0install,jaychoo/0install,gasche/0install,0install/0install,pombreda/0install,dabrahams/0install,timdiels/zeroinstall,pombreda/0install,afb/0install,bartbes/0install,dbenamy/0install,timdiels/0install,afb/0install,bastianeicher/0install,HoMeCracKeR/0install,dabrahams/zeroinstall,bhilton/0install,gasche/0install,timdiels/0install,DarkGreising/0install,bhilton/0install,dbenamy/0install,dabrahams/0install,dabrahams/zeroinstall,gasche/0install,bastianeicher/0install,dabrahams/zeroinstall,michel-slm/0install,HoMeCracKeR/0install,gasche/0install,0install/0install,DarkGreising/0install,gfxmonk/0install,fdopen/0install,pombreda/0install,bhilton/0install,fdopen/0install,bastianeicher/0install,gfxmonk/0install,bartbes/0install,DarkGreising/0install