diff options
| -rw-r--r-- | railties/CHANGELOG.md | 5 | ||||
| -rw-r--r-- | railties/lib/rails/commands/runner/USAGE | 3 | ||||
| -rw-r--r-- | railties/lib/rails/commands/runner/runner_command.rb | 6 | ||||
| -rw-r--r-- | railties/test/application/runner_test.rb | 8 |
4 files changed, 20 insertions, 2 deletions
diff --git a/railties/CHANGELOG.md b/railties/CHANGELOG.md index f720b7caab..45e1f5f3ea 100644 --- a/railties/CHANGELOG.md +++ b/railties/CHANGELOG.md @@ -1,3 +1,8 @@ +* Support `-` as a platform-agnostic way to run a script from stdin with + `rails runner` + + *Cody Cutrer* + * Add `bootsnap` to default `Gemfile`. *Burke Libbey* diff --git a/railties/lib/rails/commands/runner/USAGE b/railties/lib/rails/commands/runner/USAGE index b2a6e8493d..24b60037f0 100644 --- a/railties/lib/rails/commands/runner/USAGE +++ b/railties/lib/rails/commands/runner/USAGE @@ -8,6 +8,9 @@ Run the Ruby file located at `path/to/filename.rb` after loading the app: <%= executable %> path/to/filename.rb +Run the Ruby script read from stdin after loading the app: + <%= executable %> - + <% unless Gem.win_platform? %> You can also use the runner command as a shebang line for your executables: diff --git a/railties/lib/rails/commands/runner/runner_command.rb b/railties/lib/rails/commands/runner/runner_command.rb index 6864a9726b..c931fc2152 100644 --- a/railties/lib/rails/commands/runner/runner_command.rb +++ b/railties/lib/rails/commands/runner/runner_command.rb @@ -13,7 +13,7 @@ module Rails end def self.banner(*) - "#{super} [<'Some.ruby(code)'> | <filename.rb>]" + "#{super} [<'Some.ruby(code)'> | <filename.rb> | -]" end def perform(code_or_file = nil, *command_argv) @@ -29,7 +29,9 @@ module Rails ARGV.replace(command_argv) - if File.exist?(code_or_file) + if code_or_file == "-" + eval($stdin.read, binding, "stdin") + elsif File.exist?(code_or_file) $0 = code_or_file Kernel.load code_or_file else diff --git a/railties/test/application/runner_test.rb b/railties/test/application/runner_test.rb index 0c45bc398a..81f717b2c3 100644 --- a/railties/test/application/runner_test.rb +++ b/railties/test/application/runner_test.rb @@ -84,6 +84,14 @@ module ApplicationTests assert_match %w( a b ).to_s, Dir.chdir(app_path) { `bin/rails runner "bin/program_name.rb" a b` } end + def test_should_run_stdin + app_file "bin/count_users.rb", <<-SCRIPT + puts User.count + SCRIPT + + assert_match "42", Dir.chdir(app_path) { `cat bin/count_users.rb | bin/rails runner -` } + end + def test_with_hook add_to_config <<-RUBY runner do |app| |