[R] R version 4.2.1 install.packages does not work with IE proxy setting

[PIKAL Petr]

Thanks, 

the workaround works but we need try the "permanent" solution with
Renviron.site file in future.

Cheers
Petr

> -----Original Message-----
> From: Ivan Krylov <krylov.r00t using gmail.com>
> Sent: Tuesday, October 4, 2022 5:43 PM
> To: PIKAL Petr <petr.pikal using precheza.cz>
> Cc: r-help mailing list <r-help using r-project.org>
> Subject: Re: [R] R version 4.2.1 install.packages does not work with IE
proxy
> setting
> 
> On Tue, 4 Oct 2022 11:01:14 +0000
> PIKAL Petr <petr.pikal using precheza.cz> wrote:
> 
> > After we installed new R version R 4.2.1 installing packages through
> > IE proxy setting is compromised with warning that R could not connect
> > to server (tested in vanilla R).
> 
> R 4.1 deprecated the use of download.file(method = 'wininet'). R 4.2
switched
> the default download method to 'libcurl' and started giving warnings for
> 'wininet' and http[s]:// URLs.
> 
> A workaround to get it working right now would be to set
> options(download.file.method = 'wininet') and live with the resulting
warnings
> while R downloads the files, but a next version of R may remove 'wininet'
> support altogether.
> 
> In order to get it working with the 'libcurl' method, you'll need to
provide some
> environment variables to curl:
> https://stat.ethz.ch/pipermail/r-help/2022-September/475917.html
> 
> Not sure if libcurl would accept a patch to discover the Windows proxy
settings
> automatically, but I don't think it does that now.
> 
> --
> Best regards,
> Ivan