anchor.diff:      "https://download.kde.org/download.php?url="
       "https://ftp.gwdg.de/pub/linux/kde/"
       "https://mirrors.ocf.berkeley.edu/kde/"
  -    "http://mirrors.mit.edu/kde/"
  +    "https://mirrors.mit.edu/kde/"
       "https://mirrors.ustc.edu.cn/kde/"
  -    "http://ftp.funet.fi/pub/mirrors/ftp.kde.org/pub/kde/"
  +    "https://ftp.funet.fi/pub/mirrors/ftp.kde.org/pub/kde/"
     ];
   
     # Gentoo files.
     gentoo = [
  -    "http://ftp.snt.utwente.nl/pub/os/linux/gentoo/"
  -    "http://distfiles.gentoo.org/"
  -    "ftp://mirrors.kernel.org/gentoo/"
  +    "https://ftp.snt.utwente.nl/pub/os/linux/gentoo/"
  +    "https://distfiles.gentoo.org/"
  +    "https://mirrors.kernel.org/gentoo/"
     ];
   
     savannah = [
       # Mirrors from https://download-mirror.savannah.gnu.org/releases/00_MIRRORS.html
  -    "http://mirror.easyname.at/nongnu/"
  +    "https://mirror.easyname.at/nongnu/"
       "http://mirror2.klaus-uwe.me/nongnu/"
  -    "http://savannah.c3sl.ufpr.br/"
  -    "http://mirror.csclub.uwaterloo.ca/nongnu/"
  -    "http://mirror.cedia.org.ec/nongnu/"
  -    "http://ftp.igh.cnrs.fr/pub/nongnu/"
  -    "http://mirror6.layerjet.com/nongnu"
  -    "http://mirror.netcologne.de/savannah/"
  -    "http://ftp.cc.uoc.gr/mirrors/nongnu.org/"
  -    "http://nongnu.uib.no/"
  +    "https://savannah.c3sl.ufpr.br/"
  +    "https://mirror.csclub.uwaterloo.ca/nongnu/"
  +    "https://mirror.cedia.org.ec/nongnu/"
  +    "https://ftp.igh.cnrs.fr/pub/nongnu/"
  +    "https://mirror6.layerjet.com/nongnu"
  +    "https://mirror.netcologne.de/savannah/"
  +    "https://ftp.cc.uoc.gr/mirrors/nongnu.org/"
  +    "https://nongnu.uib.no/"
       "http://mirrors.fe.up.pt/pub/nongnu/"
  -    "http://ftp.acc.umu.se/mirror/gnu.org/savannah/"
  +    "https://ftp.acc.umu.se/mirror/gnu.org/savannah/"
       "http://ftp.twaren.net/Unix/NonGNU/"
       "http://savannah-nongnu-org.ip-connect.vn.ua/"
       "http://www.mirrorservice.org/sites/download.savannah.gnu.org/releases/"
  
positive.code:   cpan = [
      "https://cpan.metacpan.org/"
      "https://cpan.perl.org/"
      "http://backpan.perl.org/"  # for old releases
    ];
  
    # CentOS.
    centos = [
      "http://mirror.centos.org/centos/"
      # For old releases
      "http://vault.centos.org/"
      "https://archive.kernel.org/centos-vault/"
      "http://ftp.jaist.ac.jp/pub/Linux/CentOS-vault/"
      "http://mirrors.aliyun.com/centos-vault/"
      "https://mirror.chpc.utah.edu/pub/vault.centos.org/"
      "https://mirror.math.princeton.edu/pub/centos-vault/"
      "https://mirrors.tripadvisor.com/centos-vault/"
  
negative.code: 
    # BitlBee mirrors, see https://www.bitlbee.org/main.php/mirrors.html .
    bitlbee = [
      "https://get.bitlbee.org/"
      "https://ftp.snt.utwente.nl/pub/software/bitlbee/"
      "http://bitlbee.intergenia.de/"
    ];
  
  