Vagrant versionning: possible to specify box version on command line ?

[Francois Marot]

Hello all,

I have a simple problem: I have many versions of a box, defined in a standard metadata.json file referenced in my Vagrantfile. I will have to regularly switch between versions (to test & compare regressions for example) of boxes. i'd like to avoid hardcoding the box version I want to use in my Vagrantfile (config.vm.box_version parameter).
So is there a way to specify on the 'vagrant up' command-line which version I want to use ? The "--box-version" parameter available for some other command seems not supported :(

[Alvaro Miranda Aguilera]

Hello
vagrantfile is ruby

so you can use ruby magic, ie variables

or, what I would do would be:

create this structure

myawesomebox/0.0.0
myawesomebox/0.1.0
myawresomebox/1.0.0

and put a vagrantfile there on each directory

then, you can use

myversion = Pathname.new(Dir.getwd).basename.to_s

and that variable will be the name of the direcrtory

i use that to name the box as the directory, but in your case you can
use it to grab de version.

Alvaro

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[dragon788]

You can also read environment variables using Ruby from within the Vagrantfile, so rather than having different folders, you could just "set MYBOXVERSION=0.0.1" then "vagrant box up" and in your Vagrantfile is reads box.version="ENV:$MYBOXVERSION" (this is not real Ruby) and it dynamically loads whatever you exported.