On Wed, Feb 6, 2013 at 5:07 PM, Martin Gagnon <eme...@gmail.com> wrote:
> On Wed, Feb 6, 2013 at 2:27 PM, Richard Hipp <d...@sqlite.org> wrote:
>
>>
>>
>> On Wed, Feb 6, 2013 at 2:18 PM, Matt Welland <estifo...@gmail.com> wrote:
>>
>>> Hmmm... your point about the remote login is curious. I assumed that
>>> fossil was doing something like this (I'm using faux code here):
>>>
>>> inport, outport = popen2("ssh", "-e", "none", "user@host", "fossil",
>>> ... )
>>>
>>> but it sounds like what is actually being done is (I have not grokked
>>> the code well enough to confirm yet) the following:
>>>
>>> inport, outport = popen2("ssh", "-e", "none", "user@host", "/bin/sh")
>>> ...
>>> print outport "fossil ... params"
>>>
>>
>> Fossil needs to run multiple commands. /bin/sh is convenient to do
>> this. If that is a really serious problem for the occasional csh system,
>> then we could, in theory, create a new fossil command to take care of that
>> for us: "fossil test-sh". Then run:
>>
>> popen2("ssh", "-e", "none", "user@host", "fossil", "test-sh");
>>
>> It seems silly to have to duplicate the functionality of /bin/sh inside
>> of Fossil though, doesn't it?
>>
>>
> I agree that it's look silly, but doing so would connect directly
> stdout/stdin of local fossil to stdin/stdout of remote fossil avoiding any
> interference caused by the shell or any login text.
>
> When ssh directly call "fossil test-sh" on the remote side, *only* output
> of this command will come from the stdout. When /bin/sh or no command is
> used, there's no guaranties that no extra output from shell, motd, etc..
> will not appear.
>
> <snip>
>
With some experimentation, it seems that on my Linux Debian computer, this
is not true, If I put a "echo" on top of my bashrc file, don't matter if I
specify a command or not, I will see the "echo". But on my OpenBSD box, I
will see it only if I *don't* specify a command.
--
Martin G.
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