diff options
Diffstat (limited to 'lib/gitlab/ci/trace_reader.rb')
| -rw-r--r-- | lib/gitlab/ci/trace_reader.rb | 50 |
1 files changed, 0 insertions, 50 deletions
diff --git a/lib/gitlab/ci/trace_reader.rb b/lib/gitlab/ci/trace_reader.rb deleted file mode 100644 index 1d7ddeb3e0f..00000000000 --- a/lib/gitlab/ci/trace_reader.rb +++ /dev/null @@ -1,50 +0,0 @@ -module Gitlab - module Ci - # This was inspired from: http://stackoverflow.com/a/10219411/1520132 - class TraceReader - BUFFER_SIZE = 4096 - - attr_accessor :path, :buffer_size - - def initialize(new_path, buffer_size: BUFFER_SIZE) - self.path = new_path - self.buffer_size = Integer(buffer_size) - end - - def read(last_lines: nil) - if last_lines - read_last_lines(last_lines) - else - File.read(path) - end - end - - def read_last_lines(max_lines) - File.open(path) do |file| - chunks = [] - pos = lines = 0 - max = file.size - - # We want an extra line to make sure fist line has full contents - while lines <= max_lines && pos < max - pos += buffer_size - - buf = if pos <= max - file.seek(-pos, IO::SEEK_END) - file.read(buffer_size) - else # Reached the head, read only left - file.seek(0) - file.read(buffer_size - (pos - max)) - end - - lines += buf.count("\n") - chunks.unshift(buf) - end - - chunks.join.lines.last(max_lines).join - .force_encoding(Encoding.default_external) - end - end - end - end -end |