[ESS] running R remotely via tramp

[Alex Branham]

Hi Chris - 

I'm on my phone now so I haven't tried this, but I think changing ess-directory to default-directory should solve this issue. 

Alex

On May 3, 2019 9:46:58 AM CDT, Chris Wallace via ESS-help <ess-help using r-project.org> wrote:
>Dear ESS-help,
>
>I have just upgraded my ess via melpa, and my ability to run R remotely
>
>has stopped.
>
>I had been doing so via the function (after earlier help from this list
>
>https://stat.ethz.ch/pipermail/ess-help/2016-January/010863.html)
>
>   (defun Rcpu ()
>     "Run R on CSD3"
>     (interactive)
>     (let ((inferior-ess-r-program "/home/me/bin/R.csd3")
>       (ess-directory "/ssh:me using cpu:~/"))
>       (R)))
>
>R.csd3 is actually a bash script, that loads some modules required to 
>run R on the remote host before starting a recent version of R.  It 
>worked this morning, then I did an update of packages, restarted emacs,
>
>and it broke.
>
>
>Now when I M-x Rcpu I get the error
>
>Error (ess): /home/me/bin/R.csd3 could not be found on the system. Try 
>running `R-newest' instead, which searches your system for R.
>
>M-x R-newest starts /usr/bin/R on the remote system which is woefully 
>out of date and won't let me install many current packages.
>
>I have looked into R-newest and I wonder whether the change is this one
>
>https://github.com/emacs-ess/ESS/commit/7d49e421ca015c4e43688f4479860d1af8379c8d#diff-30e55f182c26885d03642d3872bfe26d
>
>- does
>
>(executable-find inferior-ess-r-program)
>
>know to look on the remote server?
>
>Thanks for any advice,
>
>Chris