https://ftp.jaist.ac.jp/pub/Linux/CentOS-vault/7.6.1810/sclo/Source/rh/ruby22/?C=N;O=D
Index of /pub/Linux/CentOS-vault/7.6.1810/sclo/Source/rh/ruby22
https://forums.freebsd.org/threads/issue-with-lang-ruby22.60698/
Solved - Issue with lang/ruby22 | The FreeBSD Forums
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