apt-get manually installed packages history

hapt.sh

#!/bin/bash
# This will list all manually installed packages without: dependencies, uninstalled packages, packages installed during system installation.
 
unopts() {
  echo "`cat`" | sed -r 's/ --[^ ]+//g;s/ -[^ ]+//g'
}

list() {
  cat '/var/log/apt/history.log' |
  grep --color=never -v '\-o APT::Status-Fd=4 \-o APT::Keep-Fds::=5 \-o APT::Keep-Fds::=6' |
  egrep --color=never "Commandline: apt-get.* ${1}" |
  sed -r "s/Commandline: apt-get//;s/ ${1}//" |
  unopts |
  tr ' ' '\n' |
  sed '/^$/d'
}

hapt() {
  tmp=`mktemp -d`
  installed="${tmp}/installed"
  deleted="${tmp}/deleted"
  dpkg="${tmp}/dpkg"
  list 'install' > "$installed"
  list '(remove|purge|autoremove)' > "$deleted"
  dpkg --get-selections |
  grep -v 'deinstall' |
  cut -f 1 > "$dpkg"
  while read package
  do
    sed -i "0,/${package}/{//d;}" "$installed"
  done < "$deleted"
  while read package
  do
    if [ -z "`grep --color=never "^${package}$" "$dpkg"`" ]
    then
      sed -i "0,/${package}/{//d;}" "$installed"
    fi
  done < "$installed"
  cat "$installed"
  rm -r "$tmp"
}
 
hapt