Created
December 5, 2013 09:01
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Task to precompile assets locally using Capistrano based on http://www.rostamizadeh.net/blog/2012/04/14/precompiling-assets-locally-for-capistrano-deployment and http://p373.net/2013/05/14/rails-deployments-from-4-minutes-to-40-seconds/
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# Taken from http://www.rostamizadeh.net/blog/2012/04/14/precompiling-assets-locally-for-capistrano-deployment | |
# If we use asset_sync /CDN or maintenance page, try this instead | |
# http://p373.net/2013/05/14/rails-deployments-from-4-minutes-to-40-seconds/ | |
before 'deploy:finalize_update', 'deploy:assets:symlink' | |
after 'deploy:update_code', 'deploy:assets:precompile' | |
namespace :deploy do | |
namespace :assets do | |
task :precompile, :roles => :web do | |
from = source.next_revision(current_revision) | |
if capture("cd #{latest_release} && #{source.local.log(from)} vendor/assets/ lib/assets/ app/assets/ | wc -l").to_i > 0 | |
run_locally("rake assets:clean && RAILS_ENV=production bundle exec rake assets:precompile") | |
run_locally "cd public && tar -jcf assets.tar.bz2 assets" | |
top.upload "public/assets.tar.bz2", "#{shared_path}", :via => :scp | |
run "cd #{shared_path} && tar -jxf assets.tar.bz2 && rm assets.tar.bz2" | |
run_locally "rm public/assets.tar.bz2" | |
run_locally("rake assets:clean") | |
else | |
logger.info "Skipping asset precompilation because there were no asset changes" | |
end | |
end | |
task :symlink, roles: :web do | |
run ("rm -rf #{latest_release}/public/assets && | |
mkdir -p #{latest_release}/public && | |
mkdir -p #{shared_path}/assets && | |
ln -s #{shared_path}/assets #{latest_release}/public/assets") | |
end | |
end | |
end |
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