pac_deps_timemachine: R CRAN package dependencies for a certain version or time...

In pacs: Supplementary Tools for R Packages Developers

R CRAN package dependencies for a certain version or time point

Description

Package dependencies from DESCRIPTION files retrieved recursively for certain version or time point.

Usage

pac_deps_timemachine(
  pac,
  version = NULL,
  at = NULL,
  fields = c("Depends", "Imports", "LinkingTo"),
  recursive = TRUE
)

Arguments

pac	character a package name.
version	character version of a package. Default: NULL
at	Date from which to take the version. Default: NULL
fields	character vector listing the types of dependencies, a subset of c("Depends", "Imports", "LinkingTo", "Suggests", "Enhances"). Character string "all" is shorthand for that vector, character string "most" for the same vector without "Enhances", character string "strong" (default) for the first three elements of that vector. Default: c("Depends", "Imports", "LinkingTo")
recursive	logical if to assess the dependencies recursively. Default: TRUE

Value

⁠named vector⁠ package dependencies and their versions at the release date of main package plus one day.

Note

Longer lived version is taken if 2 is available at the same date (switch time).

Examples

## Not run: 
pacs::pac_deps_timemachine("memoise", "0.2.1")
pacs::pac_deps_timemachine("memoise", at = as.Date("2019-01-01"))
pacs::pac_deps_timemachine("dplyr", at = as.Date("2015-01-01"))

## End(Not run)

pacs documentation built on Aug. 19, 2023, 1:08 a.m.