Add .pryrc.rb

pryrc.rb

@@ -0,0 +1,23 @@
+def write_backtrace name, backtrace, filename
+  exceptions = Regexp.union([
+    /\.bundle/,
+    /spec/,
+    /test/,
+    /lib\/ruby\/1.9.1/
+  ])
+
+  backtrace.reject! { |line| line =~ exceptions }
+
+  File.open(filename, 'a') do |f|
+    f.write "* #{name}\n\n" + backtrace.join("\n") + "\n\n"
+  end
+end
+
+# Example usage:
+#
+#   trace Redis::Client#process my_redis_calls.log
+#
+Pry.commands.block_command(/trace ([^ ]+) ([^ ]+)$/, "Trace a method invocation and log it to a file", :listing => "trace") do |bp, filename|
+  run "breakpoint #{bp} if (write_backtrace(%{#{bp}}, caller, %{#{filename}}); false)"
+  run "continue"
+end