task<\/span> :deploy<\/span> do<\/span><\/div> puts<\/span> 'Deploying site to Heroku ...'<\/span><\/div> puts<\/span> `git push heroku`<\/span><\/div> <\/div>
puts<\/span> 'Running database migrations ...'<\/span><\/div> puts<\/span> `heroku rake db:migrate`<\/span><\/div> <\/div>
release_name<\/span> =<\/span> "release-<\/span>#{<\/span>Time<\/span>.<\/span>now<\/span>.<\/span>utc<\/span>.<\/span>strftime<\/span>(<\/span>"%Y%m%d%H%M%S"<\/span>)<\/span>}<\/span>"<\/span><\/div> puts<\/span> "Tagging release as '<\/span>#{<\/span>release_name<\/span>}<\/span>'"<\/span><\/div> puts<\/span> `git tag -a <\/span>#{<\/span>release_name<\/span>}<\/span> -m 'Tagged release'`<\/span><\/div> puts<\/span> `git push --tags heroku`<\/span><\/div> <\/div>
puts<\/span> 'All done!'<\/span><\/div>end<\/span><\/div> <\/div>
task<\/span> :rollback<\/span> do<\/span><\/div> releases<\/span> =<\/span> `git tag`<\/span>.<\/span>split<\/span>(<\/span>"<\/span>\\n<\/span>"<\/span>)<\/span>.<\/span>select<\/span> {<\/span> |<\/span>t<\/span>|<\/span> t<\/span>[<\/span>0<\/span>.<\/span>.<\/span>7<\/span>]<\/span> ==<\/span> 'release-'<\/span> }<\/span>.<\/span>sort<\/span><\/div> current_release<\/span> =<\/span> releases<\/span>.<\/span>last<\/span><\/div> previous_release<\/span> =<\/span> releases<\/span>[-<\/span>2<\/span>]<\/span> if<\/span> releases<\/span>.<\/span>length<\/span> >=<\/span> 2<\/span><\/div> if<\/span> previous_release<\/span><\/div> puts<\/span> "Rolling back to '<\/span>#{<\/span>previous_release<\/span>}<\/span>' ..."<\/span><\/div> puts<\/span> `git push -f heroku <\/span>#{<\/span>previous_release<\/span>}<\/span>:master`<\/span><\/div> puts<\/span> "Deleting rollbacked release '<\/span>#{<\/span>current_release<\/span>}<\/span>' ..."<\/span><\/div> puts<\/span> `git tag -d <\/span>#{<\/span>current_release<\/span>}<\/span>`<\/span><\/div> puts<\/span> `git push heroku :refs/tags/<\/span>#{<\/span>current_release<\/span>}<\/span>`<\/span><\/div> puts<\/span> 'All done!'<\/span><\/div> else<\/span><\/div> puts<\/span> "No release tags found - can't roll back!"<\/span><\/div> puts<\/span> releases<\/span><\/div> end<\/span><\/div>end<\/span><\/div><\/pre><\/div>\n \n <\/div>\n\n