install_version issue when `length(getOption("repos"))>1`

[bbolker]

It looks like install_version expects getOption("repos") to be a length-1 vector:

options(repos=c("http://probability.ca/cran/", "http://cran.ma.imperial.ac.uk"))
devtools::install_version("rlandscape",version="1.0")
## Error in url(sprintf("%s/src/contrib/   Meta/archive.rds", repos), "rb") : invalid 'description' argument

Now set repos to a single element:

options(repos=c("http://probability.ca/cran/"))
devtools::install_version("rlandscape",version="1.0")

works fine.

(This is especially problematic on Windows since the default repos option includes both CRAN and CRANextra ...)

[bbolker]

thanks!

[lock]

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