karldw commented on a change in pull request #11001:
URL: https://github.com/apache/arrow/pull/11001#discussion_r702308381
##########
File path: r/R/install-arrow.R
##########
@@ -137,3 +136,93 @@ reload_arrow <- function() {
message("Please restart R to use the 'arrow' package.")
}
}
+
+
+#' Create a source bundle that includes all thirdparty dependencies
+#'
+#' @param dest_file File path for the new tar.gz package. Defaults to
+#' `arrow_V.V.V_with_deps.tar.gz` in the current directory (`V.V.V` is the
version)
+#' @param source_file File path for the input tar.gz package. Defaults to
+#' downloading the package from CRAN (or whatever you have set as the first in
+#' `getOption("repos")`)
+#' @return The full path to `dest_file`, invisibly
+#'
+#' This function is used for setting up an offline build. If it's possible to
+#' download at build time, don't use this function. Instead, let `cmake`
+#' download the required dependencies for you.
+#' These downloaded dependencies are only used in the build if
+#' `ARROW_DEPENDENCY_SOURCE` is unset, `BUNDLED`, or `AUTO`.
+#' https://arrow.apache.org/docs/developers/cpp/building.html#offline-builds
+#'
Review comment:
While we're at it, should we mention other binary platforms?
```
#' Note: If you're using binary packages, e.g. from RStudio Package Manager
on
#' Linux or the standard CRAN binaries on Windows or Mac, you shouldn't need
to
#' use this function. You can download the appropriate binary from your
package
#' repository, and transfer that to the offline computer.
#' If you still want to make a source bundle with this function, make sure to
#' set the first repo in `options("repos")` to be a mirror that contains
source
#' packages (that is: something other than the RSPM binary mirror URLs).
#' Any OS can create the source bundle, but it cannot be installed on
Windows.
#' (Instead, use a standard Windows binary package.)
```
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