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namespace :themes do
def plugin_dir
File.join(Rails.root,"lib","themes")
end
def theme_dir(theme_name)
File.join(plugin_dir, theme_name)
end
def old_theme_dir(theme_name)
File.join(Rails.root, "vendor", "plugins", theme_name)
end
def possible_theme_dirs(theme_name)
[theme_dir(theme_name), old_theme_dir(theme_name)]
end
def checkout(commitish)
puts "Checking out #{commitish}" if verbose
system "git checkout #{commitish}"
end
def checkout_tag(version)
checkout usage_tag(version)
end
def checkout_remote_branch(branch)
checkout "origin/#{branch}"
end
def usage_tag(version)
"use-with-alaveteli-#{version}"
end
def install_theme_using_git(name, uri, verbose=false, options={})
install_path = theme_dir(name)
Dir.chdir(plugin_dir) do
clone_command = "git clone #{uri} #{name}"
if system(clone_command)
Dir.chdir install_path do
# First try to checkout a specific branch of the theme
tag_checked_out = checkout_remote_branch(AlaveteliConfiguration::theme_branch) if AlaveteliConfiguration::theme_branch
if !tag_checked_out
# try to checkout a tag exactly matching ALAVETELI VERSION
tag_checked_out = checkout_tag(ALAVETELI_VERSION)
end
if ! tag_checked_out
# if we're on a hotfix release (four sequence elements or more),
# look for a usage tag matching the minor release (three sequence elements)
# and check that out if found
if hotfix_version = /^(\d+\.\d+\.\d+)(\.\d+)+/.match(ALAVETELI_VERSION)
base_version = hotfix_version[1]
tag_checked_out = checkout_tag(base_version)
end
end
if ! tag_checked_out
puts "No specific tag for this version: using HEAD" if verbose
end
puts "removing: .git .gitignore" if verbose
rm_rf %w(.git .gitignore)
end
else
rm_rf install_path
raise "#{clone_command} failed! Stopping."
end
end
end
def uninstall(theme_name, verbose=false)
possible_theme_dirs(theme_name).each do |dir|
if File.directory?(dir)
run_hook(theme_name, 'uninstall', verbose)
puts "Removing '#{dir}'" if verbose
rm_r dir
else
puts "Plugin doesn't exist: #{dir}"
end
end
end
def run_hook(theme_name, hook_name, verbose=false)
hook_file = File.join(theme_dir(theme_name), "#{hook_name}.rb")
if File.exist? hook_file
puts "Running #{hook_name} hook for #{theme_name}" if verbose
load hook_file
end
end
def installed?(theme_name)
possible_theme_dirs(theme_name).any? { |dir| File.directory? dir }
end
def install_theme(theme_url, verbose, deprecated=false)
FileUtils.mkdir_p plugin_dir
deprecation_string = deprecated ? " using deprecated THEME_URL" : ""
theme_name = theme_url_to_theme_name theme_url
puts "Installing theme #{theme_name}#{deprecation_string} from #{theme_url}"
uninstall(theme_name, verbose) if installed?(theme_name)
install_theme_using_git(theme_name, theme_url, verbose)
run_hook(theme_name, 'install', verbose)
run_hook(theme_name, 'post_install', verbose)
end
desc "Install themes specified in the config file's THEME_URLS"
task :install => :environment do
verbose = true
AlaveteliConfiguration::theme_urls.each{ |theme_url| install_theme(theme_url, verbose) }
if ! AlaveteliConfiguration::theme_url.blank?
# Old version of the above, for backwards compatibility
install_theme(AlaveteliConfiguration::theme_url, verbose, deprecated=true)
end
end
end
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