A puppet-lint plugin to check for variables assigned to the empty string.
From the command line
$ gem install puppet-lint-empty_string-check
In a Gemfile
gem 'puppet-lint-empty_string-check', :require => false
Variable assigned to the empty string
The empty string is true in the future parser.
undef should be used instead for a false value for strings.
What you have done
$foo = ''
What you should have done
$foo = undef
Note: There are valid cases of assigning a variable to the empty string. You should use control comment to disable checks for these.
Disabling the check
To disable this check, you can add
--no-empty_string_assignment-check to your puppet-lint command line.
$ puppet-lint --no-empty_string_assignment-check path/to/file.pp
Alternatively, if you’re calling puppet-lint via the Rake task, you should insert the following line to your
This plugin was originally authored by Camptocamp. The maintainer preferred that Puppet Community take ownership of the module for future improvement and maintenance. Existing pull requests and issues were transferred over, please fork and continue to contribute here instead of Camptocamp.