[Capistrano] Re: Grokable releases versions

[Jamis Buck]

Capistrano default deploy module only requires that the releases sort correctly--in other words, sorted alphabetically, the last item in the list should be the most recently deployed version, and item[-2] should be the next-to-last, and so forth, back to item[0], which should be the oldest deployed release.

- Jamis

On Feb 13, 2008, at 9:56 AM, Student wrote:

As long as you retain those semantics, you can rename the release directories however you want. If, however, you break those semantics, you'll lose the ability to reliably rollback to a previous release. Also, deploy:cleanup might destroy your currently released version.

I've already put the following code in my deploy.rb file:

set :base_repository, BASE_REPO_URI
unless variables[:tag] or variables[:branch]
        if Dir.getwd =~ /(branche|tag)s\/([^\/]+)/
                variables[{'branche' => :branch, 'tag' => :tag}[$1]] = $2
        end
end

if variables[:tag]
 set :repository, "#{base_repository}/tags/#{variables[:tag]}"
elsif variables[:branch]
 set :repository, "#{base_repository}/branches/#{variables[:branch]}"
else
 set :repository, "#{base_repository}/trunk"
end

I would like a bit more, however--say something like:
def set_grokable_release(release)
 _cset(:release_name) { set :deploy_timestamped, true;
Time.now.utc.strftime("%Y%m%d%H%M%S-#{release}")}
end

if variables[:tag]
 set :repository, "#{base_repository}/tags/#{variables[:tag]}"
 set_grokable_release("tag-#{variables[:tag]}")
elsif variables[:branch]
 set :repository, "#{base_repository}/branches/#{variables[:branch]}"
 set_grokable_release("branch-#{variables[:branch]}-
#{variables[:revision]}")
else
 set :repository, "#{base_repository}/trunk"
 set_grokable_release("trunk-#{variables[:revision]}")
end

Is extending the name of the releases likely to cause trouble?  Is
this path worth pursuing at all?
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