ah, right, do not use git://, use the same thing, g...@trac.sagemath.org:sage.git, for both push and fetch.
we have seen this before, firewalls don't like git:// -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-devel+unsubscr...@googlegroups.com. To post to this group, send email to sage-devel@googlegroups.com. Visit this group at https://groups.google.com/group/sage-devel. For more options, visit https://groups.google.com/d/optout.