dialog(1) immitation of bsdinstall distfetch

#!/bin/sh
prompt=
prompt="${prompt}base.txz                    [    Done    ]\n"
prompt="${prompt}dict.txz                    [   Failed   ]\n"
prompt="${prompt}doc.txz                     [\Zr\Z4    \Zb 70%\ZB\ZR    ]\n"
prompt="${prompt}games.txz                   [   Pending  ]\n"
prompt="${prompt}ports.txz                   [   Pending  ]\n"
prompt="$prompt\n"
prompt="${prompt}Fetching distribution files...\n"
prompt="$prompt\n"
prompt="$prompt  \ZbOverall Progress:\Zn\n"
prompt2=
prompt2="${prompt2}base.txz                    [    Done    ]\n"
prompt2="${prompt2}dict.txz                    [   Failed   ]\n"
prompt2="${prompt2}doc.txz                     [\Zr\Z4    \Zb 95%\ZB   \ZR ]\n"
prompt2="${prompt2}games.txz                   [   Pending  ]\n"
prompt2="${prompt2}ports.txz                   [   Pending  ]\n"
prompt2="$prompt2\n"
prompt2="${prompt2}Fetching distribution files...\n"
prompt2="$prompt2\n"
prompt2="$prompt2  \ZbOverall Progress:\Zn\n"
prompt3=
prompt3="${prompt3}base.txz                    [    Done    ]\n"
prompt3="${prompt3}dict.txz                    [   Failed   ]\n"
prompt3="${prompt3}doc.txz                     [    Done    ]\n"
prompt3="${prompt3}games.txz                   [\Zr\Z4    \ZR\Zb 33%\ZB    ]\n"
prompt3="${prompt3}ports.txz                   [   Pending  ]\n"
prompt3="$prompt3\n"
prompt3="${prompt3}Fetching distribution files...\n"
prompt3="$prompt3\n"
prompt3="$prompt3  \ZbOverall Progress:\Zn\n"
prompt4=
prompt4="${prompt4}base.txz                    [    Done    ]\n"
prompt4="${prompt4}dict.txz                    [   Failed   ]\n"
prompt4="${prompt4}doc.txz                     [    Done    ]\n"
prompt4="${prompt4}games.txz                   [\Zr\Z4    \Zb 71%\ZB \ZR   ]\n"
prompt4="${prompt4}ports.txz                   [   Pending  ]\n"
prompt4="$prompt4\n"
prompt4="${prompt4}Fetching distribution files...\n"
prompt4="$prompt4\n"
prompt4="$prompt4  \ZbOverall Progress:\Zn\n"
prompt5=
prompt5="${prompt5}base.txz                    [    Done    ]\n"
prompt5="${prompt5}dict.txz                    [   Failed   ]\n"
prompt5="${prompt5}doc.txz                     [    Done    ]\n"
prompt5="${prompt5}games.txz                   [    Done    ]\n"
prompt5="${prompt5}ports.txz                   [\Zr\Z4\ZR    \Zb  1%\ZB    ]\n"
prompt5="$prompt5\n"
prompt5="${prompt5}Fetching distribution files...\n"
prompt5="$prompt5\n"
prompt5="$prompt5  \ZbOverall Progress:\Zn\n"
prompt6=
prompt6="${prompt6}base.txz                    [    Done    ]\n"
prompt6="${prompt6}dict.txz                    [   Failed   ]\n"
prompt6="${prompt6}doc.txz                     [    Done    ]\n"
prompt6="${prompt6}games.txz                   [    Done    ]\n"
prompt6="${prompt6}ports.txz                   [\Zr\Z4  \ZR  \Zb 20%\ZB    ]\n"
prompt6="$prompt6\n"
prompt6="${prompt6}Fetching distribution files...\n"
prompt6="$prompt6\n"
prompt6="$prompt6  \ZbOverall Progress:\Zn\n"
prompt7=
prompt7="${prompt7}base.txz                    [    Done    ]\n"
prompt7="${prompt7}dict.txz                    [   Failed   ]\n"
prompt7="${prompt7}doc.txz                     [    Done    ]\n"
prompt7="${prompt7}games.txz                   [    Done    ]\n"
prompt7="${prompt7}ports.txz                   [\Zr\Z4    \Zb \ZR40%\ZB    ]\n"
prompt7="$prompt7\n"
prompt7="${prompt7}Fetching distribution files...\n"
prompt7="$prompt7\n"
prompt7="$prompt7  \ZbOverall Progress:\Zn\n"
prompt8=
prompt8="${prompt8}base.txz                    [    Done    ]\n"
prompt8="${prompt8}dict.txz                    [   Failed   ]\n"
prompt8="${prompt8}doc.txz                     [    Done    ]\n"
prompt8="${prompt8}games.txz                   [    Done    ]\n"
prompt8="${prompt8}ports.txz                   [\Zr\Z4    \Zb 60\ZR%\ZB    ]\n"
prompt8="$prompt8\n"
prompt8="${prompt8}Fetching distribution files...\n"
prompt8="$prompt8\n"
prompt8="$prompt8  \ZbOverall Progress:\Zn\n"
prompt9=
prompt9="${prompt9}base.txz                    [    Done    ]\n"
prompt9="${prompt9}dict.txz                    [   Failed   ]\n"
prompt9="${prompt9}doc.txz                     [    Done    ]\n"
prompt9="${prompt9}games.txz                   [    Done    ]\n"
prompt9="${prompt9}ports.txz                   [\Zr\Z4    \Zb 80%\ZB  \ZR  ]\n"
prompt9="$prompt9\n"
prompt9="${prompt9}Fetching distribution files...\n"
prompt9="$prompt9\n"
prompt9="$prompt9  \ZbOverall Progress:\Zn\n"
prompt10=
prompt10="${prompt10}base.txz                    [    Done    ]\n"
prompt10="${prompt10}dict.txz                    [   Failed   ]\n"
prompt10="${prompt10}doc.txz                     [    Done    ]\n"
prompt10="${prompt10}games.txz                   [    Done    ]\n"
prompt10="${prompt10}ports.txz                   [    Done    ]\n"
prompt10="$prompt10\n"
prompt10="${prompt10}Fetching distribution files...\n"
prompt10="$prompt10\n"
prompt10="$prompt10  \ZbOverall Progress:\Zn\n"
( sleep 1
  printf "XXX\n%s\nXXX\n%u\n" "$prompt2" 80
  sleep 1
  printf "XXX\n%s\nXXX\n%u\n" "$prompt3" 90
  sleep 1
  printf "XXX\n%s\nXXX\n%u\n" "$prompt4" 91
  sleep 1
  printf "XXX\n%s\nXXX\n%u\n" "$prompt5" 95
  sleep 1
  printf "XXX\n%s\nXXX\n%u\n" "$prompt6" 96
  sleep 1
  printf "XXX\n%s\nXXX\n%u\n" "$prompt7" 97
  sleep 1
  printf "XXX\n%s\nXXX\n%u\n" "$prompt8" 98
  sleep 1
  printf "XXX\n%s\nXXX\n%u\n" "$prompt9" 99
  sleep 1
  printf "XXX\n%s\nXXX\n%u\n" "$prompt10" 100
  sleep 1
) | dialog --title 'Fetching Distribution' \
           --backtitle 'FreeBSD Installer' \
           --colors --gauge "$prompt" 14 46 60