logger.rb in bixby-common-0.6.6

- old
+ new
@@ -19,7 +19,39 @@
       _setup(name, :parent => parent, :trace => parent.trace)
     end
 
     # :nocov:
   end
+
+  module Appenders
+    class RollingFile < ::Logging::Appenders::IO
+
+      # Simple patch to DateRoller which uses the previous day's date for the rolled filename
+      #
+      # oneliner to fix incorrect dates from previously rolled files:
+      # ruby -rtime -e '`ls *.2*.log`.split("\n").each{ |f| f =~ /(2015\d+)/; d = $1; dd = (Time.parse(d)-86400).strftime("%Y%m%d"); File.rename(f, f.gsub(/#{d}/, dd)) }'
+      class DateRoller
+
+        def roll_files
+          return unless @roll and ::File.exist?(@fn_copy)
+
+          # rename the copied log file
+          ::File.rename(@fn_copy, (Time.now-86400).strftime(@logname_fmt))
+
+          # prune old log files
+          if @keep
+            files = Dir.glob(@glob).find_all {|fn| @rgxp =~ fn}
+            length = files.length
+            if length > @keep
+              files.sort {|a,b| b <=> a}.last(length-@keep).each {|fn| ::File.delete fn}
+            end
+          end
+
+        ensure
+          @roll = false
+        end
+
+      end
+    end
+  end
 end
 