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-rw-r--r--lib/gitlab/ci/trace/chunked_io.rb15
1 files changed, 9 insertions, 6 deletions
diff --git a/lib/gitlab/ci/trace/chunked_io.rb b/lib/gitlab/ci/trace/chunked_io.rb
index 2147f62a84a..e9b3199d56e 100644
--- a/lib/gitlab/ci/trace/chunked_io.rb
+++ b/lib/gitlab/ci/trace/chunked_io.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
##
# This class is compatible with IO class (https://ruby-doc.org/core-2.3.1/IO.html)
# source: https://gitlab.com/snippets/1685610
@@ -66,8 +68,8 @@ module Gitlab
end
end
- def read(length = nil, outbuf = "")
- out = ""
+ def read(length = nil, outbuf = nil)
+ out = []
length ||= size - tell
@@ -83,17 +85,18 @@ module Gitlab
length -= chunk_data.bytesize
end
+ out = out.join
+
# If outbuf is passed, we put the output into the buffer. This supports IO.copy_stream functionality
if outbuf
- outbuf.slice!(0, outbuf.bytesize)
- outbuf << out
+ outbuf.replace(out)
end
out
end
def readline
- out = ""
+ out = []
until eof?
data = chunk_slice_from_offset
@@ -109,7 +112,7 @@ module Gitlab
end
end
- out
+ out.join
end
def write(data)