Issue #19848 has been reported by Marc Tardif.
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Bug #19848: Exec provider should support environment variables with empty values
https://projects.puppetlabs.com/issues/19848
* Author: Marc Tardif
* Status: Unreviewed
* Priority: Normal
* Assignee:
* Category:
* Target version:
* Affected Puppet version:
* Keywords:
* Branch:
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The exec provider takes an environment parameter that takes either a string or
an array of variables. Each variable is expressed as a pair, like "KEY=value"
for example. The problem is that the code that parses this string requires a
value whereas this is not strictly necessary, like "KEY=" should be perfectly
acceptable. The code in Puppet::Provider::Exec.run looks like this:
if setting =~ /^(\w+)=((.|\n)+)$/
env_name = $1
value = $2
Simply changing the regular expression to use "*" instread of "+" for the value
should work just fine:
irb(main):001:0> setting = 'KEY='
=> "KEY="
irb(main):002:0> setting =~ /^(\w+)=((.|\n)+)$/
=> nil
irb(main):003:0> setting =~ /^(\w+)=((.|\n)*)$/
=> 0
irb(main):004:0> $1
=> "KEY"
irb(main):005:0> $2
=> ""
So, the value of empty string is exactly what was requested.
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