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author | wangjohn <wangjohn@mit.edu> | 2013-07-08 00:13:30 -0700 |
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committer | wangjohn <wangjohn@mit.edu> | 2013-07-09 08:29:07 -0400 |
commit | 929e5b5b8ba4273ac3138c91c885d9f1843ce390 (patch) | |
tree | 99b7532a1eb3325573b3fed4f739d7379a05652c /railties/lib | |
parent | 1ccbf7d76a8f940d1eaa6747e25cb1031f19b47f (diff) | |
download | rails-929e5b5b8ba4273ac3138c91c885d9f1843ce390.tar.gz rails-929e5b5b8ba4273ac3138c91c885d9f1843ce390.tar.bz2 rails-929e5b5b8ba4273ac3138c91c885d9f1843ce390.zip |
Creating a class to handle preparing ARGV.
Before the AppGenerator is started, ARGV needs to be modified to
correctly account for some things. I'm extracting these out into their
own class.
Diffstat (limited to 'railties/lib')
-rw-r--r-- | railties/lib/rails/commands/application.rb | 28 | ||||
-rw-r--r-- | railties/lib/rails/generators/rails/app/app_generator.rb | 62 |
2 files changed, 63 insertions, 27 deletions
diff --git a/railties/lib/rails/commands/application.rb b/railties/lib/rails/commands/application.rb index 2ff29418c6..678697f09b 100644 --- a/railties/lib/rails/commands/application.rb +++ b/railties/lib/rails/commands/application.rb @@ -1,30 +1,3 @@ -require 'rails/version' - -if ['--version', '-v'].include?(ARGV.first) - puts "Rails #{Rails::VERSION::STRING}" - exit(0) -end - -if ARGV.first != "new" - ARGV[0] = "--help" -else - ARGV.shift - unless ARGV.delete("--no-rc") - customrc = ARGV.index{ |x| x.include?("--rc=") } - railsrc = if customrc - File.expand_path(ARGV.delete_at(customrc).gsub(/--rc=/, "")) - else - File.join(File.expand_path("~"), '.railsrc') - end - if File.exist?(railsrc) - extra_args_string = File.read(railsrc) - extra_args = extra_args_string.split(/\n+/).map {|l| l.split}.flatten - puts "Using #{extra_args.join(" ")} from #{railsrc}" - ARGV.insert(1, *extra_args) - end - end -end - require 'rails/generators' require 'rails/generators/rails/app/app_generator' @@ -40,4 +13,5 @@ module Rails end end +Rails::Generators::AppPreparer.new(ARGV).prepare! Rails::Generators::AppGenerator.start diff --git a/railties/lib/rails/generators/rails/app/app_generator.rb b/railties/lib/rails/generators/rails/app/app_generator.rb index d48dcf9ef3..9fb8ea6955 100644 --- a/railties/lib/rails/generators/rails/app/app_generator.rb +++ b/railties/lib/rails/generators/rails/app/app_generator.rb @@ -300,5 +300,67 @@ module Rails defined?(::AppBuilder) ? ::AppBuilder : Rails::AppBuilder end end + + # This class handles preparation of the arguments before the AppGenerator is + # called. The class provides version or help information if they were + # requested, and also constructs the railsrc file (used for extra configuration + # options). + # + # This class should be called before the AppGenerator is required and started + # since it configures and mutates ARGV correctly. + class AppPreparer # :nodoc + attr_reader :argv + + def initialize(argv = ARGV) + @argv = argv + end + + def prepare! + handle_version_request!(argv.first) + unless handle_invalid_command!(argv.first) + argv.shift + handle_rails_rc! + end + end + + private + + def handle_version_request!(argument) + if ['--version', '-v'].include?(argv.first) + require 'rails/version' + puts "Rails #{Rails::VERSION::STRING}" + exit(0) + end + end + + def handle_invalid_command!(argument) + if argument != "new" + argv[0] = "--help" + end + end + + def handle_rails_rc! + unless argv.delete("--no-rc") + insert_railsrc(railsrc) + end + end + + def railsrc + if (customrc = argv.index{ |x| x.include?("--rc=") }) + File.expand_path(argv.delete_at(customrc).gsub(/--rc=/, "")) + else + File.join(File.expand_path("~"), '.railsrc') + end + end + + def insert_railsrc(railsrc) + if File.exist?(railsrc) + extra_args_string = File.read(railsrc) + extra_args = extra_args_string.split(/\n+/).map {|l| l.split}.flatten + puts "Using #{extra_args.join(" ")} from #{railsrc}" + argv.insert(1, *extra_args) + end + end + end end end |