doLibPaths

Deals with missing libPaths arg, and takes first

A single key function, 'Require' that makes rerun-tolerant
versions of 'install.packages' and `require` for CRAN packages, packages
no longer on CRAN (i.e., archived), specific versions of packages,
and GitHub packages. This approach is developed to create reproducible
workflows that are flexible and fast enough to use while in development stages,
while able to build snapshots once a stable package collection is found.
As with other functions in a reproducible workflow, this package
emphasizes functions that return the same result whether it is
the first or subsequent times running the function, with subsequent times being
sufficiently fast that they can be run every time without undue waiting burden on
the user or developer.

Eliot J B

Require

Installing and Loading R Packages for Reproducible Workflows

Eliot J B McIntire

Alex M Chubaty

Her Majesty the Queen in Right of Canada, as represented by the Minister of Natural Resources Canada 

doLibPaths function

<dl><dt>libPaths</dt>
<dd>The library path (or libraries) where all packages should be
installed, and looked for to load (i.e., call <code>library</code>). This can be used
to create isolated, stand alone package installations, if used with
<code>standAlone = TRUE</code>. Currently, the path supplied here will be prepended to
<code><a href="/link/.libPaths()?package=Require&version=1.0.1" data-mini-rdoc="Require::.libPaths()">.libPaths()</a></code> (temporarily during this call) to <code>Require</code> if
<code>standAlone = FALSE</code> or will set (temporarily) <code><a href="/link/.libPaths()?package=Require&version=1.0.1" data-mini-rdoc="Require::.libPaths()">.libPaths()</a></code> to
<code>c(libPaths, tail(libPaths(), 1)</code> to keep base packages.</dd>
<dt>standAlone</dt>
<dd>Logical. If <code>TRUE</code>, all packages will be installed to and
loaded from the <code>libPaths</code> only. NOTE: If <code>TRUE</code>, THIS WILL CHANGE THE
USER'S <code><a href="/link/.libPaths()?package=Require&version=1.0.1" data-mini-rdoc="Require::.libPaths()">.libPaths()</a></code>, similar to e.g., the <code>checkpoint</code> package. If
<code>FALSE</code>, then <code>libPath</code> will be prepended to <code><a href="/link/.libPaths()?package=Require&version=1.0.1" data-mini-rdoc="Require::.libPaths()">.libPaths()</a></code> during the
<code>Require</code> call, resulting in shared packages, i.e., it will include the
user's default package folder(s). This can be create dramatically faster
installs if the user has a substantial number of the packages already in
their personal library. Default <code>FALSE</code> to minimize package installing.</dd></dl>

Arguments

Deals with missing libPaths arg, and takes first — doLibPaths

<dl>

<dt>libPaths</dt>
<dd>The library path (or libraries) where all packages should be
installed, and looked for to load (i.e., call <code>library</code>). This can be used
to create isolated, stand alone package installations, if used with
<code>standAlone = TRUE</code>. Currently, the path supplied here will be prepended to
<code><a href='https://rdrr.io/r/base/libPaths.html'>.libPaths()</a></code> (temporarily during this call) to <code>Require</code> if
<code>standAlone = FALSE</code> or will set (temporarily) <code><a href='https://rdrr.io/r/base/libPaths.html'>.libPaths()</a></code> to
<code>c(libPaths, tail(libPaths(), 1)</code> to keep base packages.</dd>


<dt>standAlone</dt>
<dd>Logical. If <code>TRUE</code>, all packages will be installed to and
loaded from the <code>libPaths</code> only. NOTE: If <code>TRUE</code>, THIS WILL CHANGE THE
USER'S <code><a href='https://rdrr.io/r/base/libPaths.html'>.libPaths()</a></code>, similar to e.g., the <code>checkpoint</code> package. If
<code>FALSE</code>, then <code>libPath</code> will be prepended to <code><a href='https://rdrr.io/r/base/libPaths.html'>.libPaths()</a></code> during the
<code>Require</code> call, resulting in shared packages, i.e., it will include the
user's default package folder(s). This can be create dramatically faster
installs if the user has a substantial number of the packages already in
their personal library. Default <code>FALSE</code> to minimize package installing.</dd>

</dl>

doLibPaths: Deals with missing libPaths arg, and takes first

Description

Usage

Arguments