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Versions: 12
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Contents
require 'capistrano/recipes/deploy/strategy/remote'
module Capistrano
module Deploy
module Strategy
# Implements the deployment strategy that keeps a cached checkout of
# the source code on each remote server. Each deploy simply updates the
# cached checkout, and then does a copy from the cached copy to the
# final deployment location.
class RemoteCache < Remote
# Executes the SCM command for this strategy and writes the REVISION
# mark file to each host.
def deploy!
update_repository_cache
copy_repository_cache
end
def check!
super.check do |d|
d.remote.command("rsync") unless copy_exclude.empty?
d.remote.writable(shared_path)
end
end
private
def repository_cache
File.join(shared_path, configuration[:repository_cache] || "cached-copy")
end
def update_repository_cache
logger.trace "updating the cached checkout on all servers"
command = "if [ -d #{repository_cache} ]; then " +
"#{source.sync(revision, repository_cache)}; " +
"else #{source.checkout(revision, repository_cache)}; fi"
scm_run(command)
end
def copy_repository_cache
logger.trace "copying the cached version to #{configuration[:release_path]}"
if copy_exclude.empty?
run "cp -RPp #{repository_cache} #{configuration[:release_path]} && #{mark}"
else
exclusions = copy_exclude.map { |e| "--exclude=\"#{e}\"" }.join(' ')
run "rsync -lrpt #{exclusions} #{repository_cache}/* #{configuration[:release_path]} && #{mark}"
end
end
def copy_exclude
@copy_exclude ||= Array(configuration.fetch(:copy_exclude, []))
end
end
end
end
end
Version data entries
12 entries across 12 versions & 2 rubygems