predl_google_storage {binman}

Pre-Download Google Storage

Description

Pre-Download Google Storage template function

Usage

predl_google_storage(
  url,
  platform,
  history,
  appname,
  fileregex = "\\.zip$",
  platformregex = platform,
  versionregex = c(paste0("(.*)/.*", fileregex), "\\1")
)

Arguments

url

A url giving the JSON bucket listings for a project. For example: http://chromedriver.storage.googleapis.com/index.html lists the chromedriver files but https://www.googleapis.com/storage/v1/b/chromedriver/o/ is the JSON listings for the project.

platform

A character vector of platform names

history

The maximum number of files to get for a platform

appname

Name of the app

fileregex

A filter for files

platformregex

A filter for platforms. Defaults to the platform names.

versionregex

A regex for retrieving the version.

Value

A named list of data.frames. The name indicates the platform. The data.frame should contain the version, url and file to be processed. Used as input for download_files or an equivalent.

Examples

## Not run: 
gsdata <- system.file("testdata", "test_googstor.json",
  package = "binman"
)
platform <- c("linux64", "win32", "mac64")
gsdllist <- predl_google_storage(
  url = gsdata, platform, history = 5L,
  appname = "binman_chromedriver"
)

## End(Not run)