Time Travel with RStudio Package Manager 1.0.4

January 29, 2019
By

(This article was first published on RStudio Blog, and kindly contributed to R-bloggers)

We all love packages. We don’t love when broken package environments prevent us
from reproducing our work. In version 1.0.4 of RStudio Package Manager,
individuals and teams can navigate through repository checkpoints,
making it easy to recreate environments and reproduce work. The new release also
adds important security updates, improvements for Git sources, further access to
retired packages, and beta support for Amazon S3 storage.

New to RStudio Package Manager?

Download the 45-day evaluation
today to see how RStudio Package Manager can help you, your team, and your
entire organization access and organize R packages. Learn more with our online
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or latest webinar.

Easily navigate historical repositories

Easily navigate historical repositories

Updates

Time Travel

RStudio Package Manager automatically tracks every change to your repositories,
whether you’re adding new packages to a curated source, syncing the latest data
from CRAN, or building a new commit of your internal package. These changes are
efficiently stored as checkpoints. By default, R users installing packages will
get the latest and greatest, but they can also install packages from any point
in the past.

A new calendar on a
repository’s setup page can be used to travel backwards in time. If you last
used a project in November, you can install packages as they existed in your
repository
from that moment, making it much easier to guarantee your work is
reproducible.

Time travel with a repository calendar

Time travel with a repository calendar

Alternatively, it is also possible to preemptively pin a project to a frozen
checkpoint. This can be really useful in cases where you know you’ll always want
the same set of packages. For example, you can include a reference to a
checkpoint inside of a Dockerfile to ensure anytime the Docker image is rebuilt,
you’ll get the same packages and versions.

RUN Rscript -e 'install.packages(...,
  repos = "https://rpkgs.example.com/cran/128")'

New Storage Options

Version 1.0.4 adds beta support for storing packages on Amazon S3 instead of
local or shared storage. In addition, we’ve expanded the configuration
options
for administrators to control exactly where and how Package Manager stores packages, data, and metrics.

Retired Packages

You may be familiar with archived packages – they are older versions of packages
that are listed at the bottom of a package’s information page.

Access archived versions

Access archived versions

Did you know that CRAN packages can be retired? “Retirement” occurs when every
version of a package is placed in the archive and no version remains current.
Packages can be retired for a variety of reasons: perhaps the maintainer is no
longer fixing breaking changes, or the functionality has been replaced
by a new package. While retired packages are typically not used by new projects,
it can be useful to see if a package you’re searching for is retired. Library
management tools like packrat also make use of retired packages to recreate
older environments. In 1.0.4, retired packages show up in a repository with a
special page indicating their status.

View retired packages

View retired packages

Git Source Improvements

RStudio Package Manager makes it easy to share R packages that live inside of
Git, either internal packages or packages from GitHub. This release includes a
number of quality of life improvements:

  • Subdirectories In verison 1.0.4, we’ve added support to build packages that live in
    sub-directories of a Git file system.

  • SSH keys We’ve added support for SSH keys that use a passphrase, and
    we’ve significantly improved how SSH keys are used to access Git repos.

  • Description Files Packages built from Git now have the commit SHA included
    in their DESCRIPTION file for reference.

Deprecations, Breaking Changes, and Security Updates

  • Breaking Change Version 1.0.4 introduces an important security enhancement that
    helps isolate package builds from the rest of Package Manager. If you are using
    packages from Git and running on RedHat/CentOS or inside of a Docker
    container, you may need to update your configuration. Follow these
    instructions

    for more information.

  • The use of SSH keys for accessing Git repositories has been improved by adding
    support for passphrases and isolated SSH agents.

Please review the full release notes.

Upgrade Planning

Please note the breaking changes and deprecations above. Upgrading to 1.0.4
from 1.0.0 will take less than five minutes. If you are upgrading from an
earlier beta version, be sure to consult the release notes for the
intermediate releases, as well.

Don’t see that perfect feature? Wondering why you should be worried about
package management? Want to talk about other package management strategies?
Email us, our product team is happy to help!

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