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I only want to exec following command when file (/usr/local/bin/papply) does not exist. not sure what to put there.

    exec { 'git add url':
        command =>'git remote add origin',
        require => Exec['git init'],
        cwd => '/home/vagrant/django',
        user => 'vagrant',
        onlyif => "not sure what to put here"
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2 Answers 2

up vote 9 down vote accepted

Have you tried this?

onlyif => "test ! -f /usr/local/bin/papply"

Not sure if Puppet can use the '!' character

Perhaps a better alternaltive:

creates => '/usr/local/bin/papply'

even if i don't like the fact that the command doesn't really creates the file

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not working, got this error message. Could not evaluate: Could not find command '!' – qinking126 Dec 4 '13 at 1:22
And this: onlyif => "test ! -f /usr/local/bin/papply" – sebastien.prudhomme Dec 4 '13 at 1:27
creates => '/usr/local/bin/papply' works, thank you. let me test your updates, see if htat one works. – qinking126 Dec 4 '13 at 1:36
onlyif => "test ! -f /usr/local/bin/papply" works, also the one I prefer to use. thank you. – qinking126 Dec 4 '13 at 2:03

If you're on linux just do

unless => 'ls /somefile'

ls will return with a non-zero return code if the file does not exist and unless will only let the exec it is under execute if its test returns a non-zero return code.

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