On Fri, 21 Dec 2012 20:42:44 +0100 Michael Albinus <michael.albi...@gmx.de>
wrote:
MA> Ted Zlatanov <t...@lifelogs.com> writes:
>> With your code that works for you, from Debian to CentOS, I'm getting a
>> hang (only `C-g' aborts) to localhost or to wd01, and mosh-client is
>> running so the "mosh" command is hanging without output. The level 10
>> debug log is below. I don't see any output from the process filter.
>> Weird.
MA> Please use tramp-verbose 10. For me it is hanging as well; your filter
MA> implementation is missing :-)
OK. I had it set to 9 and was convinced it was 10. Sorry.
I added some improvements to the "mosh" `tramp-login-args' to set the
prompt even if the TERM is not dumb:
#+begin_src lisp
(add-to-list 'tramp-methods
'("mosh"
(tramp-login-program "mosh")
(tramp-login-args (("-p" "%p") ("--") ("%h")
("/bin/env" "PS1=% " "/bin/sh")))
(tramp-remote-shell "/bin/sh")
(tramp-remote-shell-args ("-c"))
(tramp-copy-keep-date t)
(tramp-copy-recursive t)
(tramp-gw-args (("-o" "GlobalKnownHostsFile=/dev/null")
("-o" "UserKnownHostsFile=/dev/null")
("-o" "StrictHostKeyChecking=no")))
(tramp-process-precommands ("stty rows 25" "stty cols 80"))
(tramp-process-filter tramp-mosh-process-filter)
(tramp-default-port 22)))
#+end_src
Unfortunately even if TERM=dumb, mosh keeps sending ANSI escape
sequences, so I don't have that above as there's no point.
See attached for a partial filter implementation. It wipes color
sequences and cursor hide/show, and generally converts positional escape
sequences to \n. I think it needs much more awareness of the 25x80
screen, though, so I may make it smarter if necessary. If you try it,
Tramp will lock in a loop checking for remote echo. Is that because the
screen updates need to be smarter (e.g. redrawing a line should resend
the whole line)? If so I will work on the filter improvements, but I
wanted to make sure the implementation otherwise is OK, especially the
`tramp-login-args' above.
Thanks for your help!
Ted
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