Recursive remote package dependencies

meztez · September 10, 2020, 5:25pm

Hi, I'm installing packages system requirements using sysreqs for most of github actions we use.

It does not pick up on packages listed in DESCRIPTION Remotes field that are not on CRAN. I was planning on adding that functionality so that we could use sysreqs to also install non-CRAN / internal packages.

I am stuck where I have to recursively get remote packages dependencies from github/gitlab/bitbucket from a character vector of listed remotes in a package DESCRIPTION file.

I see a couple options but I'm throwing this out there in case someone has done something similar in the past.

github.com

meztez/sysreqs/blob/master/R/deps.R


#' Recursive (hard) dependencies of CRAN packages
#'
#' @param packages Character vector of package names.
#' @return A character vector of package names and versions,
#'   separated by a single dash.
#'
#' @keywords internal

get_cran_deps <- function(packages) {

  if (length(packages) == 0) {
    character()
  }

  db <- utils::available.packages()

  deps <- tools::package_dependencies(
    packages,
    recursive = TRUE,

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meztez · September 11, 2020, 12:28am

Well, I'm now I'm unstuck but the code I wrote would only work for github. There is probably a few edge cases it does no cover too.

system · September 18, 2020, 12:28am

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