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authorNick Cox <nick@nickcox.me>2015-04-15 20:41:54 -0700
committerNick Cox <nick@nickcox.me>2015-04-15 21:47:37 -0700
commit7937c6aa008d1a5073fe84f260b848f531ce6a10 (patch)
tree13659336d7e81e3be6a3fb51779892c22f78dd31
parent5256ada75dea2a9466cb09afe25f79f956b18b9e (diff)
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[ci skip] Document running a rake command as a rails command
-rw-r--r--railties/lib/rails/commands/commands_tasks.rb11
1 files changed, 11 insertions, 0 deletions
diff --git a/railties/lib/rails/commands/commands_tasks.rb b/railties/lib/rails/commands/commands_tasks.rb
index d8d4080c3e..685d55eea8 100644
--- a/railties/lib/rails/commands/commands_tasks.rb
+++ b/railties/lib/rails/commands/commands_tasks.rb
@@ -151,6 +151,17 @@ EOT
puts HELP_MESSAGE
end
+ # Output an error message stating that the attempted command is not a valid rails command.
+ # Run the attempted command as a rake command with the --dry-run flag. If successful, suggest
+ # to the user that they possibly meant to run the given rails command as a rake command.
+ # Append the help message.
+ #
+ # Example:
+ # $ rails db:migrate
+ # Error: Command 'db:migrate' not recognized
+ # Did you mean: `$ rake db:migrate` ?
+ # (Help message output)
+ #
def write_error_message(command)
puts "Error: Command '#{command}' not recognized"
if %x{rake #{command} --dry-run 2>&1 } && $?.success?