/usr/share/ruby-build/jruby-1.7.27 is in ruby-build 20170726-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 | install_package "jruby-1.7.27" "https://s3.amazonaws.com/jruby.org/downloads/1.7.27/jruby-bin-1.7.27.tar.gz#cd9b7bfcdabbe054d50333ad1fd70bcc465a35c96a93c0556e73712379af3520" warn_eol jruby
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