On 12/07/2015 6:54 PM, Duncan Murdoch wrote:
> On 12/07/2015 5:15 PM, Arthur Vigil wrote:
>> Hello,
>> I see that https CRAN mirrors are starting to pop up, as per this post at 
>> https://support.rstudio.com/hc/en-us/articles/206827897-Secure-Package-Downloads-for-R
>>
>> However, trying to use one of these mirrors without changing the default 
>> download.file.method option gives me errors
>>
>>> Warning: unable to access index for repository 
>>> https://cran.rstudio.com/src/contrib
>>> Warning: unable to access index for repository 
>>> https://cran.rstudio.com/bin/macosx/mavericks/contrib/3.2
>>
>> I don’t mind just choosing an http mirror but when prompted to select a 
>> mirror, there is no distinction made in the mirror listing between http and 
>> https mirrors. It would be nice if https mirrors were hidden when the 
>> current environment doesn’t support them. Alternatively, at least make a 
>> distinction between http and https in the mirror listing. They currently 
>> just look like duplicates. I think this is a pretty trivial change but would 
>> help a lot with usability.
>>
>> As an example, when using install.packages:
> 
> If you update to R-patched, you'll see the difference.  With current
> releases of R, you'll see some mirrors twice:  the first one is https,
> the second is http.
> 
> The other issue you may have is that your system may be configured to
> default to a method that doesn't support https.  Try
> download.file("https://cran.rstudio.com";) and

Oops, you need to give a destination.  Try

download.file("https://cran.rstudio.com";, destfile = (f <- tempfile()))

> readLines(url("https://cran.rstudio.com";)) to confirm that's not a
> problem for you.
> 
> Duncan Murdoch
> 
>>
>>> --- Please select a CRAN mirror for use in this session ---
>>> CRAN mirror 
>>>
>>>   1: 0-Cloud                        2: 0-Cloud                    
>>>   3: Algeria                        4: Argentina (La Plata)       
>>>   5: Australia (Canberra)           6: Australia (Melbourne)      
>>>   7: Austria                        8: Austria                    
>>>   9: Belgium                       10: Brazil (BA)                
>>>  11: Brazil (PR)                   12: Brazil (RJ)                
>>>  13: Brazil (SP 1)                 14: Brazil (SP 2)    
>>
>> In the listing above there are duplicate entries for 0-cloud and Austria 
>> pointing to http and https versions of the same mirror.
>> ______________________________________________
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>> https://stat.ethz.ch/mailman/listinfo/r-devel
>>
>

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