apt-go-fast: streamline apt-get by removing things you don't want or need and using eatmydata

apt-go-fast

#!/bin/sh
# https://gist.github.com/smoser/5823699
set -e

[ "$(id -u)" = "0" ] && sudo="" || sudo="sudo"
[ -e "/usr/bin/apt-get.distrib" ] ||
   $sudo dpkg-divert --local --rename --add /usr/bin/apt-get

$sudo tee /usr/bin/apt-get >/dev/null <<"EOF"
#!/bin/sh
a=" $* "
emd="eatmydata"
if ! command -v eatmydata >/dev/null 2>&1; then
   emd=""
   if [ "$(id -u)" = "0" ] &&
      [ "${a#* install }" != "$a" -o "${a#* upgrade }" != "$a" -o \
        "${a#* dist-upgrade }" != "$a" ]; then
     # we are root, this is install, so install emd
     echo "=== first installing eatmydata ===" 1>&2
     out=$(DEBIAN_FRONTEND=noninteractive "$0.distrib" install \
           --quiet --assume-yes eatmydata 2>&1)
     ret=$?
     if [ $ret -ne 0 ]; then
        echo "FAILED: $out" 1>&2;
        echo "failed to install libeatmydata."
        exit $ret
     fi
     emd="eatmydata"
  fi
fi 1>&2 </dev/null
exec $emd "$0.distrib" "$@"
EOF
$sudo chmod 755 /usr/bin/apt-get

slists="/etc/apt/sources.list /etc/cloud/templates/sources.list.ubuntu.tmpl"
for f in $slists; do
   [ -f "$f" ] || continue
   $sudo sed -i.dist "s,^deb-src,#deb-src," "$f"
   # do not like multiverse or -backports
   $sudo sed -i -e '/^deb [^ ]\+[ ]\+[^ ]\+[ ]\+multiverse[ ]*$/s,^,#,p' \
      -e '/^deb [^ ]\+[ ]\+[^ ]\+-backports\+[ ].*$/s,^,#,' \
      "$f"
   
   # maybe you dont want to disable security
   $sudo sed -i "/^deb[^-].*security.ubuntu.com/s/^/#/" "$f"
done

farchs=$(dpkg --print-foreign-architectures)
case "$farchs" in
   *i386*)
      { $sudo dpkg --remove-architecture i386 >/dev/null 2>&1 ||
         $sudo rm /etc/dpkg/dpkg.cfg.d/multiarch; } &&
         echo "got rid of i386" ||
         echo "failed to remove arch i386"
      ;;
esac

f="/etc/apt/apt.conf.d/99notranslations"
if [ ! -f "$f" ]; then
   echo 'Acquire::Languages "none";' | $sudo tee "$f" >/dev/null;
   $sudo rm -f /var/lib/apt/lists/*Translation*
fi

# https://askubuntu.com/questions/823329/how-do-i-disable-fetching-of-dep-11-files
f="/etc/apt/apt.conf.d/50appstream"
if [ -f "$f" ]; then
   $sudo rm -f "$f"
fi

# command-not-found data
f="/etc/apt/apt.conf.d/50command-not-found"
if [ -f "$f" ]; then
   $sudo rm -f "$f"
fi