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@joelmoss
Forked from brianjlandau/gist:176754
Created October 16, 2009 23:07
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# you'd obviously have more settings somewhere
set :scm, :git
set :repository, "git@github.com:defunkt/github.git"
set :branch, "origin/master"
set :migrate_target, :current
set(:latest_release) { fetch(:current_path) }
set(:release_path) { fetch(:current_path) }
set(:current_release) { fetch(:current_path) }
set(:current_revision) { capture("cd #{current_path}; git rev-parse --short HEAD").strip }
set(:latest_revision) { capture("cd #{current_path}; git rev-parse --short HEAD").strip }
set(:previous_revision) { capture("cd #{current_path}; git rev-parse --short HEAD@{1}").strip }
namespace :deploy do
desc "Deploy the MFer"
task :default do
update
restart
end
desc "Setup a GitHub-style deployment."
task :setup, :except => { :no_release => true } do
dirs = [deploy_to, shared_path]
dirs += shared_children.map { |d| File.join(shared_path, d) }
run "#{try_sudo} mkdir -p #{dirs.join(' ')} && #{try_sudo} chmod g+w #{dirs.join(' ')}"
run "git clone #{repository} #{current_path}"
end
task :update do
transaction do
update_code
end
end
desc "Update the deployed code."
task :update_code, :except => { :no_release => true } do
run "cd #{current_path}; git fetch origin; git reset --hard #{branch}"
finalize_update
end
desc "Update the database (overwritten to avoid symlink)"
task :migrations do
update_code
migrate
restart
end
namespace :rollback do
desc "Moves the repo back to the previous version of HEAD"
task :repo, :except => { :no_release => true } do
set :branch, "HEAD@{1}"
deploy.default
end
desc "Rewrite reflog so HEAD@{1} will continue to point to at the next previous release."
task :cleanup, :except => { :no_release => true } do
run "cd #{current_path}; git reflog delete --rewrite HEAD@{1}; git reflog delete --rewrite HEAD@{1}"
end
desc "Rolls back to the previously deployed version."
task :default do
rollback.repo
rollback.cleanup
end
end
end
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