please show us the output of git remote -v
I suspect you have git protocol (i.e. git://...) remote for fetching, which don't work - you need git@... (i.e. ssh) remotes for both fetch and push. See https://github.com/sagemath/sage_trac_plugin/issues/18 On Monday, September 26, 2016 at 6:33:02 AM UTC, Jori Mäntysalo wrote: > > $ git trac checkout 21592 > Loading ticket #21592... > Checking out Trac #21592 remote branch u/jmantysalo/note-colons -> local > branch t/21592/note-colons... > Traceback (most recent call last): > . . . > git_trac.git_error.GitError: git returned with non-zero exit code (128) > when executing "git fetch trac u/jmantysalo/note-colons" > STDERR: fatal: unable to connect to trac.sagemath.org: > STDERR: trac.sagemath.org[0: 104.197.143.230]: errno=Connection > refused > > trac.sagemath.org answers to ping. > > -- > Jori Mäntysalo > -- 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.