I'd like to be able to see from generated pages which version of the app
has generated it. As we're using git and always deploy a specific tag,
having that tag in the HTML head as a meta tag would be suitable.
My current idea goes like this. The layout includes a partial that looks
like this
<meta name="version"
content="<%= `git describe --tags --always --dirty`.chomp %>">
When deployed, this file is overwritten with a static one referring to
the deployed git tag
<meta name="version" content="v1.1.42">
Then, in the capistrano recipe,
after "deploy:update_code", "deploy:freeze_version_partial"
namespace :deploy do
task :freeze_version_partial do
put %{<meta name="version" content="#{tag}" />\n},
File.join(current_release,
'app/views/layouts/_version.html.erb'),
:roles => :web
end
end
Deployment then requires a tag to be given
$ cap -S tag=v1.1.42 deploy
Are there reasons not to do this or not to do it this way? I don't think
there is a security problem of exposing to many details about the app as
it is only for internal use.
Michael
--
Michael Schuerig
mailto:[email protected]
http://www.schuerig.de/michael/
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