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Feature #13577
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Digest.file accidentally receives File object but uses file path
Description
Digest::SHA256.file()'s first argument is file path name but it accidentally accepts file object.
But for file objects created with O_TMPFILE to_path returns the directory of the temporary file and this File.open will fail.
class ::Digest::Class
# Creates a digest object and reads a given file, _name_.
# Optional arguments are passed to the constructor of the digest
# class.
#
# p Digest::SHA256.file("X11R6.8.2-src.tar.bz2").hexdigest
# # => "f02e3c85572dc9ad7cb77c2a638e3be24cc1b5bea9fdbb0b0299c9668475c534"
def self.file(name, *args)
new(*args).file(name)
end
end
module Instance
# Updates the digest with the contents of a given file _name_ and
# returns self.
def file(name)
File.open(name, "rb") {|f|
buf = ""
while f.read(16384, buf)
update buf
end
}
self
end
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