Module: Capistrano::CLI::Options
- Included in:
- Capistrano::CLI
- Defined in:
- lib/capistrano/cli/options.rb
Defined Under Namespace
Modules: ClassMethods
Instance Attribute Summary collapse
-
#options ⇒ Object
readonly
The hash of (parsed) command-line options.
Class Method Summary collapse
Instance Method Summary collapse
- #coerce_variable(value) ⇒ Object
- #coerce_variable_types! ⇒ Object
-
#default_dotfile ⇒ Object
:nodoc:.
-
#default_sysconf ⇒ Object
:nodoc:.
-
#extract_environment_variables! ⇒ Object
Extracts name=value pairs from the remaining command-line arguments and assigns them as environment variables.
-
#home_directory ⇒ Object
:nodoc:.
-
#look_for_default_recipe_file! ⇒ Object
Looks for a default recipe file in the current directory.
-
#option_parser ⇒ Object
Return an OptionParser instance that defines the acceptable command line switches for Capistrano, and what their corresponding behaviors are.
-
#parse_options! ⇒ Object
If the arguments to the command are empty, this will print the allowed options and exit.
-
#sysconf_directory ⇒ Object
:nodoc:.
Instance Attribute Details
#options ⇒ Object (readonly)
The hash of (parsed) command-line options
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# File 'lib/capistrano/cli/options.rb', line 21 def @options end |
Class Method Details
.included(base) ⇒ Object
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# File 'lib/capistrano/cli/options.rb', line 6 def self.included(base) base.extend(ClassMethods) end |
Instance Method Details
#coerce_variable(value) ⇒ Object
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# File 'lib/capistrano/cli/options.rb', line 210 def coerce_variable(value) case value when /^"(.*)"$/ then $1 when /^'(.*)'$/ then $1 when /^\d+$/ then value.to_i when /^\d+\.\d*$/ then value.to_f when "true" then true when "false" then false when "nil" then nil else value end end |
#coerce_variable_types! ⇒ Object
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# File 'lib/capistrano/cli/options.rb', line 202 def coerce_variable_types! [:pre_vars, :vars].each do |collection| [collection].keys.each do |key| [collection][key] = coerce_variable([collection][key]) end end end |
#default_dotfile ⇒ Object
:nodoc:
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# File 'lib/capistrano/cli/options.rb', line 186 def default_dotfile #:nodoc: File.join(home_directory, ".caprc") end |
#default_sysconf ⇒ Object
:nodoc:
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# File 'lib/capistrano/cli/options.rb', line 182 def default_sysconf #:nodoc: File.join(sysconf_directory, "capistrano.conf") end |
#extract_environment_variables! ⇒ Object
Extracts name=value pairs from the remaining command-line arguments and assigns them as environment variables.
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# File 'lib/capistrano/cli/options.rb', line 155 def extract_environment_variables! #:nodoc: args.delete_if do |arg| next unless arg.match(/^(\w+)=(.*)$/) ENV[$1] = $2 end end |
#home_directory ⇒ Object
:nodoc:
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# File 'lib/capistrano/cli/options.rb', line 196 def home_directory #:nodoc: ENV["HOME"] || (ENV["HOMEPATH"] && "#{ENV["HOMEDRIVE"]}#{ENV["HOMEPATH"]}") || "/" end |
#look_for_default_recipe_file! ⇒ Object
Looks for a default recipe file in the current directory.
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# File 'lib/capistrano/cli/options.rb', line 163 def look_for_default_recipe_file! #:nodoc: current = Dir.pwd loop do %w(Capfile capfile).each do |file| if File.file?(file) [:recipes] << file return end end pwd = Dir.pwd Dir.chdir("..") break if pwd == Dir.pwd # if changing the directory made no difference, then we're at the top end Dir.chdir(current) end |
#option_parser ⇒ Object
Return an OptionParser instance that defines the acceptable command line switches for Capistrano, and what their corresponding behaviors are.
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# File 'lib/capistrano/cli/options.rb', line 26 def option_parser #:nodoc: @option_parser ||= OptionParser.new do |opts| opts. = "Usage: #{File.basename($0)} [options] action ..." opts.on("-d", "--debug", "Prompts before each remote command execution." ) { |value| [:debug] = true } opts.on("-e", "--explain TASK", "Displays help (if available) for the task." ) { |value| [:explain] = value } opts.on("-F", "--default-config", "Always use default config, even with -f." ) { [:default_config] = true } opts.on("-f", "--file FILE", "A recipe file to load. May be given more than once." ) { |value| [:recipes] << value } opts.on("-H", "--long-help", "Explain these options and environment variables.") do long_help exit end opts.on("-h", "--help", "Display this help message.") do puts opts exit end opts.on("-n", "--dry-run", "Prints out commands without running them." ) { |value| [:dry_run] = true } opts.on("-p", "--password", "Immediately prompt for the password." ) { [:password] = nil } opts.on("-q", "--quiet", "Make the output as quiet as possible." ) { [:verbose] = 0 } opts.on("-S", "--set-before NAME=VALUE", "Set a variable before the recipes are loaded." ) do |pair| name, value = pair.split(/=/, 2) [:pre_vars][name.to_sym] = value end opts.on("-s", "--set NAME=VALUE", "Set a variable after the recipes are loaded." ) do |pair| name, value = pair.split(/=/, 2) [:vars][name.to_sym] = value end opts.on("-T", "--tasks [PATTERN]", "List all tasks (matching optional PATTERN) in the loaded recipe files." ) do |value| [:tasks] = if value value else true end [:verbose] ||= 0 end opts.on("-t", "--tool", "Abbreviates the output of -T for tool integration." ) { [:tool] = true } opts.on("-V", "--version", "Display the Capistrano version, and exit." ) do require 'capistrano/version' puts "Capistrano v#{Capistrano::Version::STRING}" exit end opts.on("-v", "--verbose", "Be more verbose. May be given more than once." ) do [:verbose] ||= 0 [:verbose] += 1 end opts.on("-X", "--skip-system-config", "Don't load the system config file (capistrano.conf)" ) { .delete(:sysconf) } opts.on("-x", "--skip-user-config", "Don't load the user config file (.caprc)" ) { .delete(:dotfile) } end end |
#parse_options! ⇒ Object
If the arguments to the command are empty, this will print the allowed options and exit. Otherwise, it will parse the command line and set up any default options.
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# File 'lib/capistrano/cli/options.rb', line 125 def #:nodoc: @options = { :recipes => [], :actions => [], :vars => {}, :pre_vars => {}, :sysconf => default_sysconf, :dotfile => default_dotfile } if args.empty? warn "Please specify at least one action to execute." warn option_parser exit end option_parser.parse!(args) coerce_variable_types! # if no verbosity has been specified, be verbose [:verbose] = 3 if !.has_key?(:verbose) look_for_default_recipe_file! if [:default_config] || [:recipes].empty? extract_environment_variables! [:actions].concat(args) password = .has_key?(:password) [:password] = Proc.new { self.class.password_prompt } [:password] = [:password].call if password end |
#sysconf_directory ⇒ Object
:nodoc:
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# File 'lib/capistrano/cli/options.rb', line 190 def sysconf_directory #:nodoc: # TODO if anyone cares, feel free to submit a patch that uses a more # appropriate location for this file in Windows. ENV["SystemRoot"] || '/etc' end |