当我做:
wget ftp://ftp.openbsd.com/pub/OpenBSD/OpenSSH/portable/openssh-5.8p1.tar.gz
wget ftp://ftp.openbsd.com/pub/OpenBSD/OpenSSH/portable/openssh-5.8p1.tar.gz.asc
gpg openssh-5.8p1.tar.gz.asc
tar -zxvf openssh-5.8p1.tar.gz
mv openssh-5.8p1 openssh-5.8p1_downloaded
apt-get source openssh-server
diff -r openssh-5.8p1 openssh-5.8p1_downloaded/ | wc -l
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我得到了很多差异(wc -l 返回 3000 行)。这是为什么?