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clear specific logs when using rake log:clear

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commit 08ac4b967255af6a5d10f36bdec2bf514e5dd500 1 parent 94384bd
@mattdbridges mattdbridges authored
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2  guides/source/command_line.md
@@ -355,7 +355,7 @@ rake assets:clean # Remove compiled assets
rake assets:precompile # Compile all the assets named in config.assets.precompile
rake db:create # Create the database from config/database.yml for the current Rails.env
...
-rake log:clear # Truncates all *.log files in log/ to zero bytes
+rake log:clear # Truncates all *.log files in log/ to zero bytes (specify which logs with LOGS=test,development)
rake middleware # Prints out your Rack middleware stack
...
rake tmp:clear # Clear session, cache, and socket files from tmp/ (narrow w/ tmp:sessions:clear, tmp:cache:clear, tmp:sockets:clear)
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5 railties/CHANGELOG.md
@@ -1,5 +1,10 @@
## Rails 4.0.0 (unreleased) ##
+* Specify which logs to clear when using the `rake log:clear` task.
+ (e.g. rake log:clear LOGS=test,staging)
+
+ *Matt Bridges*
+
* Allow a `:dirs` key in the `SourceAnnotationExtractor.enumerate` options
to explicitly set the directories to be traversed so it's easier to define
custom rake tasks.
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22 railties/lib/rails/tasks/log.rake
@@ -1,9 +1,23 @@
namespace :log do
- desc "Truncates all *.log files in log/ to zero bytes"
+ desc "Truncates all *.log files in log/ to zero bytes (specify which logs with LOGS=test,development)"
task :clear do
- FileList["log/*.log"].each do |log_file|
- f = File.open(log_file, "w")
- f.close
+ log_files.each do |file|
+ clear_log_file(file)
end
end
+
+ def log_files
+ if ENV['LOGS']
+ ENV['LOGS'].split(',')
+ .map { |file| "log/#{file.strip}.log" }
+ .select { |file| File.exists?(file) }
+ else
+ FileList["log/*.log"]
+ end
+ end
+
+ def clear_log_file(file)
+ f = File.open(file, "w")
+ f.close
+ end
end
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