diff options
Diffstat (limited to 'ruby_2_2/lib/rake/trace_output.rb')
| -rw-r--r-- | ruby_2_2/lib/rake/trace_output.rb | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/ruby_2_2/lib/rake/trace_output.rb b/ruby_2_2/lib/rake/trace_output.rb new file mode 100644 index 0000000000..396096d4df --- /dev/null +++ b/ruby_2_2/lib/rake/trace_output.rb @@ -0,0 +1,22 @@ +module Rake + module TraceOutput # :nodoc: all + + # Write trace output to output stream +out+. + # + # The write is done as a single IO call (to print) to lessen the + # chance that the trace output is interrupted by other tasks also + # producing output. + def trace_on(out, *strings) + sep = $\ || "\n" + if strings.empty? + output = sep + else + output = strings.map { |s| + next if s.nil? + s =~ /#{sep}$/ ? s : s + sep + }.join + end + out.print(output) + end + end +end |