Accessing the real version number from :scm

[alancfrancis]

Hi folks,

I'm using the Git SCM, and trying to display the deployed commit ID in
my deployed app on staging.

I tried using the :version property but it always contains HEAD.
There does seem to be a method on the scm instance to translate that
into a real version / commit id, but I can't figure out how to access
it from my recipe.

I'm about to start parsing it from 'git log' or something. Does
anyone have any suggestions ?

Alan

[Jamis Buck]

The :real_revision variable will resolve to an actual commit.
The :revision variable is a pseudo-revision, which defaults to
"head" (SCM-specific, of course), but which may be set to an explicit
commit by the user if they want to.

- Jamis

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[Mislav Marohnić]

If I got this correctly, you want your running app on staging display the commit ID somewhere on the page?

The easiest way is this:

  File.read("#{RAILS_ROOT}/REVISION")