Don't send exc_info if the git fetch failed.
Don't send exc_info if the git fetch failed.

An url not being accessible is not a valid reason for throwing out
stacktraces.  This is a _caught_ exception, not an uncaught one.
Stacktraces really confuse here.

lukasjuhrich/sipa,agdsn/sipa,agdsn/sipa,lukasjuhrich/sipa,agdsn/sipa,MarauderXtreme/sipa,MarauderXtreme/sipa,lukasjuhrich/sipa,agdsn/sipa,lukasjuhrich/sipa,MarauderXtreme/sipa