James McCoy wrote:
> On Mon, Apr 25, 2016 at 11:06:43PM +0200, Bram Moolenaar wrote:
> >
> > Andrew Stewart wrote:
> >
> > > This handler gets called just about immediately, as expected, but
> > > a:message is always 'DETACH', not the diff output. And then a few
> > > seconds later the exit handler echoes its E906 error.
> >
> > This works. But the script should use "out_cb":
> >
> > func! OutHandler(channel, msg)
> > echomsg a:msg
> > endfunc
> > let cmd = 'diff -u /tmp/a /tmp/b'
> > let job = job_start(cmd, {'out_cb': 'OutHandler'})
> >
> > The echo statements overwrite each other, "DETACH" is the last one. Use
> > ":messages" to see what happened before this.
>
> Why is Vim injecting "DETACH" into the output? The netbeans code uses
> is because that's part of the established protocol, but why is that
> being imposed on every other user of channels?
Yeah, I was also wondering if we need it. At least when there is a
close callback it doesn't make sense.
I would think that normally the job will send some terminator.
Otherwise, one can add a close callback if one needs to know the channel
is done reading. Would there be any reason to add DETACH?
Previously the close callback didn't work properly. I fixed that now.
> Also, the help implies that this is only done for channels representing
> a socket, not ones that are used for a simple job_start() with a process:
>
> On read error or ch_close(), when using a socket with RAW or NL mode, the
> string "DETACH\n" is sent, if still possible. The channel will then be
> inactive.
The documentation is wrong.
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/// Bram Moolenaar -- b...@moolenaar.net -- http://www.Moolenaar.net \\\
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