Inline shell triggers don't recognize IO redirection

[anasbouzid]

On triggers, I/O redirection doesn't work with the inline shell setting, using the path shell setting works normally.

Vagrant version

2.2.3

Host operating system

Ubuntu 16.04

Guest operating system

Ubuntu 18.04

Vagrantfile

Vagrant.configure(2) do |config|

  config.vm.box = "ubuntu/bionic64"

  config.trigger.before :up do |trigger|
    trigger.run = {
      inline: "date >> outfile"
    }
  end
end

Debug output

https://gist.github.com/anasbouzid/e1144379ee8213c63d6370295234b053

Expected behavior

Append current date to outfile

Actual behavior

fails:

    default: /bin/date: extra operand ‘outfile’
    default: Try '/bin/date --help' for more information.
==> default: Trigger run failed

Steps to reproduce

Run vagrant up

[briancain]

Hey there @anasbouzid - This is actually something I've been meaning to document. When you use the run option with inline scripts, you are executing a shell subprocess, not a bash session. You are not the first person to run into this.....IO redirection with that operator is actually something within bash, so you'll want to do something like this to execute your script in bash:

 config.trigger.after :up do |t|
      t.run = {inline: "/bin/bash -c 'date >> outfile'"}
end

brian@localghost:vagrant-sandbox % be vagrant up bork                                                    ±[●][master]
Bringing machine 'bork' up with 'virtualbox' provider...
==> bork: Checking if box 'bento/ubuntu-18.04' version '201812.27.0' is up to date...
==> bork: Machine already provisioned. Run `vagrant provision` or use the `--provision`
==> bork: flag to force provisioning. Provisioners marked to run always will still run.
==> bork: Running action triggers after up ...
==> bork: Running trigger...
    bork: Running local: Inline script
    bork: /bin/bash -c 'date >> outfile.txt'
brian@localghost:vagrant-sandbox % ls outfile.txt                                                       ±[●●][master]
outfile.txt
brian@localghost:vagrant-sandbox % cat outfile.txt                                                      ±[●●][master]
Thu Feb 21 11:22:43 PST 2019

[anasbouzid]

Thanks for your help, much appreciated.

[ghost]

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