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# Capistrano task for cold deploys
#
# Taken from: https://stackoverflow.com/a/28001351/270280
# Licensed under cc by-sa 3.0
#
# Generalized and fixed running with the correct environment
# by Harald Eilertsen
#
namespace :deploy do
#
# Run this for first time deploy (after setting up the database.) It
# loads the checked in schema instead of running through all the
# migrations to rebuild the database schema.
#
# The task will be skipped if the database schema already exists, and
# let the migrations run as normally.
#
desc "deploy app for the first time (expects pre-created but empty DB)"
task :cold do
before 'deploy:migrate', 'deploy:initdb'
invoke 'deploy'
end
desc "initialize a brand-new database (db:schema:load, db:seed)"
task :initdb => [ :set_rails_env ] do
on primary :db do |host|
within release_path do
if test(:psql, %Q{#{fetch(:pg_database)} -U #{fetch(:pg_user)} -c "SELECT table_name FROM information_schema.tables WHERE table_schema='public' AND table_type='BASE TABLE';"|grep schema_migrations})
puts '*** THE PRODUCTION DATABASE IS ALREADY INITIALIZED, YOU IDIOT! ***'
else
with rails_env: fetch(:rails_env) do
execute :rake, 'db:schema:load'
execute :rake, 'db:seed'
end
end
end
end
end
end
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