oxidized does not check if git is installed

[RichiH]

If grit is installed and git usage configured, but Git is not installed, this happens:

oxidized@ubuntu:~$ oxidized -d
Puma 2.8.2 starting...
* Min threads: 0, max threads: 16
* Environment: development
* Listening on tcp://<redacted>:8888
== Sinatra/1.4.5 has taken the stage on 8888 for development with backup from Puma
can't convert nil into String
== Sinatra has ended his set (crowd applauds)
== Sinatra has ended his set (crowd applauds)
/var/lib/gems/1.9.1/gems/posix-spawn-0.3.8/lib/posix/spawn.rb:187:in `_pspawn': can't convert nil into String (TypeError)
    from /var/lib/gems/1.9.1/gems/posix-spawn-0.3.8/lib/posix/spawn.rb:187:in `pspawn'
    from /var/lib/gems/1.9.1/gems/posix-spawn-0.3.8/lib/posix/spawn.rb:160:in `spawn'
    from /var/lib/gems/1.9.1/gems/posix-spawn-0.3.8/lib/posix/spawn.rb:312:in `popen4'
    from /var/lib/gems/1.9.1/gems/posix-spawn-0.3.8/lib/posix/spawn/child.rb:105:in `exec!'
    from /var/lib/gems/1.9.1/gems/posix-spawn-0.3.8/lib/posix/spawn/child.rb:80:in `initialize'
    from /var/lib/gems/1.9.1/gems/grit-2.5.0/lib/grit/git.rb:345:in `new'
    from /var/lib/gems/1.9.1/gems/grit-2.5.0/lib/grit/git.rb:345:in `native'
    from /var/lib/gems/1.9.1/gems/grit-2.5.0/lib/grit/git.rb:372:in `method_missing'
    from /var/lib/gems/1.9.1/gems/grit-2.5.0/lib/grit/git-ruby.rb:16:in `init'
    from /var/lib/gems/1.9.1/gems/grit-2.5.0/lib/grit/repo.rb:101:in `init_bare'
    from /var/lib/gems/1.9.1/gems/oxidized-0.0.63/lib/oxidized/output/git.rb:38:in `rescue in store'
    from /var/lib/gems/1.9.1/gems/oxidized-0.0.63/lib/oxidized/output/git.rb:33:in `store'
    from /var/lib/gems/1.9.1/gems/oxidized-0.0.63/lib/oxidized/worker.rb:36:in `process'
    from /var/lib/gems/1.9.1/gems/oxidized-0.0.63/lib/oxidized/worker.rb:13:in `block in work'
    from /var/lib/gems/1.9.1/gems/oxidized-0.0.63/lib/oxidized/worker.rb:13:in `each'
    from /var/lib/gems/1.9.1/gems/oxidized-0.0.63/lib/oxidized/worker.rb:13:in `work'
    from /var/lib/gems/1.9.1/gems/oxidized-0.0.63/lib/oxidized/core.rb:36:in `run'
    from /var/lib/gems/1.9.1/gems/oxidized-0.0.63/lib/oxidized/core.rb:29:in `initialize'
    from /var/lib/gems/1.9.1/gems/oxidized-0.0.63/lib/oxidized/core.rb:11:in `new'
    from /var/lib/gems/1.9.1/gems/oxidized-0.0.63/lib/oxidized/core.rb:11:in `new'
    from /var/lib/gems/1.9.1/gems/oxidized-0.0.63/lib/oxidized/cli.rb:9:in `run'
    from /var/lib/gems/1.9.1/gems/oxidized-0.0.63/bin/oxidized:8:in `<top (required)>'
    from /usr/local/bin/oxidized:23:in `load'
    from /usr/local/bin/oxidized:23:in `<main>'
oxidized@ubuntu:~$

[ytti]

Will be fixed by grit => rugged migration, as rugged does not require git being installed