diff options
Diffstat (limited to 'railties/lib/rails/commands/runner.rb')
| -rw-r--r-- | railties/lib/rails/commands/runner.rb | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/railties/lib/rails/commands/runner.rb b/railties/lib/rails/commands/runner.rb index 2b77d5d387..86bce9b2fe 100644 --- a/railties/lib/rails/commands/runner.rb +++ b/railties/lib/rails/commands/runner.rb @@ -1,5 +1,4 @@ require 'optparse' -require 'rbconfig' options = { environment: (ENV['RAILS_ENV'] || ENV['RACK_ENV'] || "development").dup } code_or_file = nil @@ -9,7 +8,7 @@ if ARGV.first.nil? end ARGV.clone.options do |opts| - opts.banner = "Usage: rails runner [options] ('Some.ruby(code)' or a filename)" + opts.banner = "Usage: rails runner [options] [<'Some.ruby(code)'> | <filename.rb>]" opts.separator "" @@ -22,14 +21,23 @@ ARGV.clone.options do |opts| opts.on("-h", "--help", "Show this help message.") { $stdout.puts opts; exit } + opts.separator "" + opts.separator "Examples: " + + opts.separator " rails runner 'puts Rails.env'" + opts.separator " This runs the code `puts Rails.env` after loading the app" + opts.separator "" + opts.separator " rails runner path/to/filename.rb" + opts.separator " This runs the Ruby file located at `path/to/filename.rb` after loading the app" + if RbConfig::CONFIG['host_os'] !~ /mswin|mingw/ opts.separator "" opts.separator "You can also use runner as a shebang line for your executables:" - opts.separator "-------------------------------------------------------------" - opts.separator "#!/usr/bin/env #{File.expand_path($0)} runner" + opts.separator " -------------------------------------------------------------" + opts.separator " #!/usr/bin/env #{File.expand_path($0)} runner" opts.separator "" - opts.separator "Product.all.each { |p| p.price *= 2 ; p.save! }" - opts.separator "-------------------------------------------------------------" + opts.separator " Product.all.each { |p| p.price *= 2 ; p.save! }" + opts.separator " -------------------------------------------------------------" end opts.order! { |o| code_or_file ||= o } rescue retry @@ -50,5 +58,5 @@ elsif File.exist?(code_or_file) $0 = code_or_file Kernel.load code_or_file else - eval(code_or_file) + eval(code_or_file, binding, __FILE__, __LINE__) end |