I have created a package (which I host on a local server) that I have set
up to depend on exact versions of other packages, i.e my DESCRIPTION file
looks like this:
Package: myPackage
Depends:
R (>= 3.2.5)
Imports:
dplyr (== 0.5.0),
lazyeval (== 0.2.0),
lubridate (== 1.6.0),
magrittr (== 1.5),
reshape2 (== 1.4.2)
My expectation is that when I run install.packages('myPackage') that each
of these specific dependency versions will be installed, but this is not
the case. It looks like if a dependent package is not present at all then
it is installed to the correct version, but when it is present at a LATER
version it is not rolled-back to the desired version.
Is there a way that we can force all requested versions of these packages
to be installed? We would like this behaviour as we'd like a way to
guarantee that all R environments are exactly the same when running this
code.
Note that I've been testing using devtools::install, but I assume that this
mirrors the behaviour of install.packages.
Also posted on SO: http://stackoverflow.com/questions/44028355/r-force-
download-of-specific-package-versions-in-description-file
Thanks,
Martin
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