save_status

#! /bin/bash
#
# save_status 1.0.3, 2021-04-26
#
# BETA: Collects several information about an actual instalaltion, that
# might help for a new installation and the restauration of the previous
# status. this ist currently a beta version.
#
# Works for Debian derivates, and in this version assumes that all
# drives have names starting with "sd", like "/dev/sda1".
#
# Bernd Storck, https://www.facebook.com/BStLinux/
#

info_dir="${1}/"
devices_list="/tmp/devices"

sudo : 2> /dev/null

if [ ! -d "$1" ]; then
    sudo mkdir -p "$1"
fi

cat /etc/*ease* > "${info_dir}release"
cp -p /etc/fstab "${info_dir}"

# PARTITIONEN
> "${info_dir}partitionen"
for i in {a..z}; do
  (sudo lsblk -l --output NAME,MOUNTPOINT,UUID /dev/sd$i 2> /dev/null; if [ "$?" = 0 ]; then echo; fi) >> "${info_dir}partitionen"
done

echo -e "UNTERVERZEICHNISSE IM MEDIA-VERZEICHNIS\n" > "${info_dir}subfolders_in_media"
(cd /media; ls --color=none -dl */) >> "${info_dir}subfolders_in_media"
if [ "$(which tree)" ]; then
  echo >> "${info_dir}subfolders_in_media"
  tree -L 1 /media >> "${info_dir}subfolders_in_media"
fi

mount | grep -E --color=none '^/dev/' | cut -d' ' -f1 > "$devices_list"

echo -e "UMLEITUNGEN IM HOME-FOLDER\n" > "home_redirections"
find ~ -maxdepth 1 -type l -ls |\
awk -F "${HOME}/" '{for (i=2;i<=NF;i++) printf ("%s", $i)}{printf ("\n")}' >> "home_redirections"

# CONTENT OF /OPT
echo "VERZEICHNISSE IN /opt" > "${info_dir}opt_content"
ls --color=none -l /opt | grep -E "^d" >> "${info_dir}opt_content"
echo -e "\nANDERE VERZEICHNISINHALTE" >> "${info_dir}opt_content"
if [ "$(ls --color=none -l /opt | grep -Evc "^d")" = "1" ]; then
  echo "Keine" >> "${info_dir}opt_content"
else
  ls --color=none -l /opt | grep -Ev "^d" >> "${info_dir}opt_content"
fi

echo "SELEKTIV" > "${info_dir}blkid"
blkid | grep --color=none -f "$devices_list" >> "${info_dir}blkid"
echo -e "\nKOMPLETT" >> "${info_dir}blkid"
blkid >> "${info_dir}blkid"

echo "SELEKTIV" > "${info_dir}mounted"
mount | grep --color=none -f "$devices_list" >> "${info_dir}mounted"
echo -e "\nKOMPLETT" >> "${info_dir}mounted"
mount >> "${info_dir}mounted"

echo "SELEKTIV" > "${info_dir}lsblk"
sudo lsblk -l --output NAME,FSTYPE,UUID,LABEL,MOUNTPOINT | head -n1 >> "${info_dir}lsblk"
sudo lsblk -l --output NAME,FSTYPE,UUID,LABEL,MOUNTPOINT |\
grep --color=none -F "$(cut -d'/' -f3 "$devices_list")" >> "${info_dir}lsblk"
echo -e "\nKOMPLETT" >> "${info_dir}lsblk"
lsblk >> "${info_dir}lsblk"

# DIE NAMEN DER INSTALLIERTEN PROGRAMME
dpkg -l | grep --color=none -E "^[[:alpha:]]i" | tr -s ' ' | cut -d' ' -f2 > "${info_dir}installed"

# INSTALLIERTE PROGRAMME MIT KURZBEESCHREIBUNG
dpkg -l | grep --color=none -E "^[[:alpha:]]i" | tr -s ' ' | awk '{printf ("%32s\t", $2); for (i=3; i<=NF; i++) printf("%s ",$i)}{printf ("\n") }' > "${info_dir}installed_long"

ls -l "$info_dir"