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having trouble getting devtools::install_github() to work in R on Win 7 64bit machine

each time I try to run install_github() from RStudio I get something like this:

devtools::install_github("r-lib/devtools")

Downloading GitHub repo r-lib/devtools@master
Error in utils::download.file(url, path, method = download_method(), quiet = quiet,  : 
  cannot open URL 'https://api.github.com/repos/r-lib/devtools/tarball/master'*

I tried the work around described in https://github.com/r-lib/devtools/issues/1772

and this is what I get:

assignInNamespace("version_info", c(devtools::version_info, list("3.5" = list(version_min = "3.3.0", version_max = "99.99.99", path = "bin"))), "devtools")

Error in bindingIsLocked(x, ns) : no binding for "version_info"

find_rtools() # is TRUE now

Error in find_rtools() : could not find function "find_rtools"*

Please suggest a workaround to get devtools::install_github() to work on my Win PC.

Solution

  • I believe I have found a solution for this Win 7 64 bit machine which was based on: https://github.com/r-lib/remotes/issues/130

    Click Start > type in "Internet Options" > click "Internet options" > Go to "Advanced" and check TLS 1.2 box.