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Fix frozen error caused by frozen string literal #431

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Merged
merged 4 commits into from
Feb 9, 2020
Merged

Fix frozen error caused by frozen string literal #431

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609c12d
added Ruby 2.7 to CI regression
taichi-ishitani Feb 5, 2020
3bc85cc
fixed frozen error caseud by frozen string literal
taichi-ishitani Feb 5, 2020
b326d17
use @+ operator instead of #dup to get unfrozen string
taichi-ishitani Feb 5, 2020
976dbd3
reverted the change according to comment below:
taichi-ishitani Feb 8, 2020
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1 change: 1 addition & 0 deletions .travis.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -5,6 +5,7 @@ rvm:
- 2.4
- 2.5
- 2.6
- 2.7
- ruby-head
matrix:
fast_finish: true
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4 changes: 2 additions & 2 deletions lib/zip/crypto/decrypted_io.rb
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Expand Up @@ -7,7 +7,7 @@ def initialize(io, decrypter)
@decrypter = decrypter
end

def read(length = nil, outbuf = '')
def read(length = nil, outbuf = +'')
return ((length.nil? || length.zero?) ? "" : nil) if eof

while length.nil? || (buffer.bytesize < length)
Expand All @@ -25,7 +25,7 @@ def eof
end

def buffer
@buffer ||= ''.dup
@buffer ||= +''
end

def input_finished?
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2 changes: 1 addition & 1 deletion lib/zip/entry.rb
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Expand Up @@ -615,7 +615,7 @@ def create_file(dest_path, _continue_on_exists_proc = proc { Zip.continue_on_exi
get_input_stream do |is|
bytes_written = 0
warned = false
buf = ''.dup
buf = +''
while (buf = is.sysread(::Zip::Decompressor::CHUNK_SIZE, buf))
os << buf
bytes_written += buf.bytesize
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2 changes: 1 addition & 1 deletion lib/zip/extra_field.rb
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Expand Up @@ -26,7 +26,7 @@ def extra_field_type_unknown(binstr, len, i)
end

def create_unknown_item
s = ''.dup
s = +''
class << s
alias_method :to_c_dir_bin, :to_s
alias_method :to_local_bin, :to_s
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2 changes: 1 addition & 1 deletion lib/zip/inflater.rb
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Expand Up @@ -3,7 +3,7 @@ class Inflater < Decompressor #:nodoc:all
def initialize(*args)
super

@buffer = ''.dup
@buffer = +''
@zlib_inflater = ::Zlib::Inflate.new(-Zlib::MAX_WBITS)
end

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