[R] .Rprofile with devtools::install_github() loops

[Chris Evans]

Works perfectly.  Brilliant.

I have added this, with appreciation to you Bill, to my "post" about creating my first (and probably only!) R package at:

https://www.psyctc.org/Rblog/posts/2021-02-10-making-my-first-usable-package/

Thanks Bill, very best all,

Chris

----- Original Message -----
> From: "Bill Dunlap" <williamwdunlap using gmail.com>
> To: "Chris Evans" <chrishold using psyctc.org>
> Cc: "R-help" <r-help using r-project.org>
> Sent: Wednesday, 10 February, 2021 16:48:18
> Subject: Re: [R] .Rprofile with devtools::install_github() loops

> Installing a package involves running several R subprocesses, each of
> which is running that .Rprofile.  You may be able to stop the infinite
> recursion by setting an environment variable that subprocesses can
> check.  E.g. replace
>  install_github("xxx/yyy")
> with
>  if (Sys.getenv("INSTALLING_FROM_GITHUB", unset="no") == "no") {
>    Sys.setenv(INSTALLING_FROM_GITHUB="yes")
>    install_github("xxx/yyy")
>  }
> 
> [This is totally untested.]
> 
> -Bill
> 
> On Wed, Feb 10, 2021 at 12:45 AM Chris Evans <chrishold using psyctc.org> wrote:
>>
>> I am sure this must be documented somewhere and that I'm missing something
>> obvious but some searching isn't finding an answer and I'm sure there is one.
>>
>> I have created a very simple package on GitHub and want my machines (other than
>> the one that built it) to load it when they start R using
>> devtools::install_github()
>>
>> The install_github() call works fine from the console but when I put it in my
>> .Rprofile it just loops on restarting R.  I _think_ it may be that
>> devtools::install_github()
>> is restarting the session as I found one thing on the web suggesting that may be
>> the case.  However, I think if it were the case it would be documented and I'd
>> find
>> far more about that.
>>
>> OK.  So my .Rprofile is:
>>
>> print("This is a message from /home/chris/.Renviron: hello Chris!")
>> .First <- function(){
>>     devtools::install_github("xxxx/yyyy")
>> }
>> print("OK, off you go!")
>>
>> I have obscured my package to protect my blushes but I get the same behaviour
>> with r-lib/devtools and, as I say, my little package loads OK from the console.
>>
>> You can see I tried wrapping it in a .First() function but that didn't change
>> anything.
>>
>> True both on a Linux machine and a Windows machine.
>>
>> OK.  Anyone save me from more dents in the wall and frontal lobe damage?!
>>
>> TIA,
>>
>> Chris
>>
>> --
>> Small contribution in our coronavirus rigours:
>> https://www.coresystemtrust.org.uk/home/free-options-to-replace-paper-core-forms-during-the-coronavirus-pandemic/
>>
>> Chris Evans <chris using psyctc.org> Visiting Professor, University of Sheffield
>> <chris.evans using sheffield.ac.uk>
>> I do some consultation work for the University of Roehampton
>> <chris.evans using roehampton.ac.uk> and other places
>> but <chris using psyctc.org> remains my main Email address.  I have a work web site
>> at:
>>    https://www.psyctc.org/psyctc/
>> and a site I manage for CORE and CORE system trust at:
>>    http://www.coresystemtrust.org.uk/
>> I have "semigrated" to France, see:
>>    https://www.psyctc.org/pelerinage2016/semigrating-to-france/
>>    https://www.psyctc.org/pelerinage2016/register-to-get-updates-from-pelerinage2016/
>>
>> If you want an Emeeting, I am trying to keep them to Thursdays and my diary is
>> at:
>>    https://www.psyctc.org/pelerinage2016/ceworkdiary/
>> Beware: French time, generally an hour ahead of UK.
>>
>> ______________________________________________
>> R-help using r-project.org mailing list -- To UNSUBSCRIBE and more, see
>> https://stat.ethz.ch/mailman/listinfo/r-help
>> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> > and provide commented, minimal, self-contained, reproducible code.

-- 
Small contribution in our coronavirus rigours: 
https://www.coresystemtrust.org.uk/home/free-options-to-replace-paper-core-forms-during-the-coronavirus-pandemic/

Chris Evans <chris using psyctc.org> Visiting Professor, University of Sheffield <chris.evans using sheffield.ac.uk>
I do some consultation work for the University of Roehampton <chris.evans using roehampton.ac.uk> and other places
but <chris using psyctc.org> remains my main Email address.  I have a work web site at:
   https://www.psyctc.org/psyctc/
and a site I manage for CORE and CORE system trust at:
   http://www.coresystemtrust.org.uk/
I have "semigrated" to France, see: 
   https://www.psyctc.org/pelerinage2016/semigrating-to-france/ 
   https://www.psyctc.org/pelerinage2016/register-to-get-updates-from-pelerinage2016/

If you want an Emeeting, I am trying to keep them to Thursdays and my diary is at:
   https://www.psyctc.org/pelerinage2016/ceworkdiary/
Beware: French time, generally an hour ahead of UK.