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refactor

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too many to say
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AustrianToast 2024-04-10 18:30:11 +02:00
parent 355abbf36b
commit 624371e8f1
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1 changed files with 44 additions and 41 deletions
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@ -9,14 +9,15 @@ IYELLOW="\033[0;93m" # Intense Yellow
NO_COLOR="\033[0m" # Text Reset NO_COLOR="\033[0m" # Text Reset
TMP="/tmp/update" TMP="/tmp/update"
DATE="$(date +"%Y-%m-%dT%H:%M:%S%:z")" # RFC 3339 date-time https://datatracker.ietf.org/doc/html/rfc3339#section-5.6 DATE="$(date +"%Y-%m-%dT%H:%M:%S%:z")" # RFC 3339 date-time https://datatracker.ietf.org/doc/html/rfc3339#section-5.6
FINAL_COMMAND="" FINAL_COMMAND="true"
trap interrupt_function INT trap interrupt_function INT
interrupt_function() { interrupt_function() {
echo "Interrupt has been detected" echo "Interrupt has been detected"
[[ -f /var/lib/pacman/db.lck ]] && sudo rm /var/lib/pacman/db.lck [[ -f /var/lib/pacman/db.lck ]] && sudo rm --force /var/lib/pacman/db.lck > /dev/null 2>&1
rm --recursive "$TMP" rm --recursive --force "$TMP" > /dev/null 2>&1
rm --force "$BACKUP_LOCATION"/before-backup_"$DATE".tar.zst.new "$BACKUP_LOCATION"/after-backup_"$DATE".tar.zst.new
exit 1 exit 1
} }
@ -31,7 +32,7 @@ help() {
echo "-g shutdowns the computer afterwards" echo "-g shutdowns the computer afterwards"
echo "-r reboots the computer afterwards" echo "-r reboots the computer afterwards"
echo "--help displays this message" echo "--help displays this message"
echo "--preview shows a preview of which pkg's can be updated" echo "--preview shows a preview of pkg's and flatpaks which can be updated"
echo "--version prints out the version number" echo "--version prints out the version number"
echo "--backup just does the before-backup without updating" echo "--backup just does the before-backup without updating"
} }
@ -46,58 +47,63 @@ lock_pacman_db() {
} }
delete_oldest_backup() { delete_oldest_backup() {
if [[ $(ls -Ub "$BACKUP_LOCATION" | grep -c $1) -ge $BACKUP_AMOUNT ]]; then if [[ $(find $BACKUP_LOCATION -name '*$1*' -exec printf %c {} + | wc -c) -ge $BACKUP_AMOUNT ]]; then
OLDEST_FILE="$(ls -rt1 $BACKUP_LOCATION | grep $1 | head -1)" # sorts by time (oldes first) and gets the first item rm --force $(find "$BACKUP_LOCATION" -name '*$1*' | sort -rn | head -1)
rm "$BACKUP_LOCATION"/"$OLDEST_FILE"
fi fi
} }
before_backup() { before_backup() {
lock_pacman_db lock_pacman_db
delete_oldest_backup before-backup [[ -d $TMP ]] && rm --recursive --force "$TMP"
[[ -d $TMP ]] && rm -r "$TMP"
mkdir --parents "$TMP"/before-backup_"$DATE" "$TMP"/after-backup_"$DATE" mkdir --parents "$TMP"/before-backup_"$DATE" "$TMP"/after-backup_"$DATE"
pacman -Q > "$TMP"/before-backup_"$DATE"/pacman-before.txt
[[ -x /usr/bin/flatpak ]] && flatpak list --all --show-details > "$TMP"/before-backup_"$DATE"/flatpak-before.txt pacman --verbose --query > "$TMP"/before-backup_"$DATE"/pacman-before.txt
tar --create --xz --file "$TMP"/before-backup_"$DATE".tar.xz.new "$TMP"/before-backup_"$DATE" /var/lib/pacman/local > /dev/null 2>&1 # for some reason it needs the output suppresion [[ -f /usr/bin/flatpak ]] && flatpak list --all --show-details > "$TMP"/before-backup_"$DATE"/flatpak-before.txt
sudo rm /var/lib/pacman/db.lck
mv "$TMP"/before-backup_"$DATE".tar.xz.new "$BACKUP_LOCATION" tar --create --zstd --file "$TMP"/before-backup_"$DATE".tar.zst.new "$TMP"/before-backup_"$DATE" /var/lib/pacman/local > /dev/null 2>&1 # for some reason it needs the output suppresion
mv "$BACKUP_LOCATION"/before-backup_"$DATE".tar.xz.new "$BACKUP_LOCATION"/before-backup_"$DATE".tar.xz mv "$TMP"/before-backup_"$DATE".tar.zst.new "$BACKUP_LOCATION"
sudo rm --force /var/lib/pacman/db.lck
} }
after_backup() { after_backup() {
pacman --verbose --query > "$TMP"/after-backup_"$DATE"/pacman-after.txt
flatpak list --all --show-details > "$TMP"/after-backup_"$DATE"/flatpak-after.txt
tar --create --zstd --file "$TMP"/after-backup_"$DATE".tar.zst.new "$TMP"/after-backup_"$DATE" > /dev/null 2>&1
mv "$TMP"/after-backup_"$DATE".tar.zst.new "$BACKUP_LOCATION"
delete_oldest_backup after-backup delete_oldest_backup after-backup
tar --create --xz --file "$TMP"/after-backup_"$DATE".tar.xz.new "$TMP"/after-backup_"$DATE" > /dev/null 2>&1 mv "$BACKUP_LOCATION"/after-backup_"$DATE".tar.zst.new "$BACKUP_LOCATION"/after-backup_"$DATE".tar.zst
mv "$TMP"/after-backup_"$DATE".tar.xz.new "$BACKUP_LOCATION"
mv "$BACKUP_LOCATION"/after-backup_"$DATE".tar.xz.new "$BACKUP_LOCATION"/after-backup_"$DATE".tar.xz delete_oldest_backup before-backup
rm --recursive "$TMP" mv "$BACKUP_LOCATION"/before-backup_"$DATE".tar.zst.new "$BACKUP_LOCATION"/before-backup_"$DATE".tar.zst
rm --recursive --force "$TMP"
} }
update_with_pacman_wrapper() { update() {
"$PACMAN_WRAPPER" "$PACMAN_WRAPPER"
pacman -Q > "$TMP"/after-backup_"$DATE"/pacman-after.txt
}
update_with_flatpak() {
if [[ -x /usr/bin/flatpak ]]; then if [[ -x /usr/bin/flatpak ]]; then
flatpak update --assumeyes flatpak update --assumeyes
flatpak list --all --show-details > "$TMP"/after-backup_"$DATE"/flatpak-after.txt flatpak list --all --show-details > "$TMP"/after-backup_"$DATE"/flatpak-after.txt
fi fi
} }
if [[ ${1:0:2} = -- ]]; then if [[ ${1:0:2} == \-\- ]]; then
case "${1:2}" in case "${1:2}" in
help) help)
help ;; help ;;
preview) preview)
"$PACMAN_WRAPPER" -Sy "$PACMAN_WRAPPER" -Syy
"$PACMAN_WRAPPER" -Qu "$PACMAN_WRAPPER" --query --upgrades
[[ -x /usr/bin/flatpak ]] && flatpak remote-ls --updates ;; [[ -x /usr/bin/flatpak ]] && flatpak remote-ls --updates ;;
version) version)
echo "$VERSION" ;; echo "$VERSION" ;;
backup) backup)
before_backup before_backup
rm --recursive "$TMP" ;; delete_oldest_backup before-backup
mv "$BACKUP_LOCATION"/before-backup_"$DATE".tar.zst.new "$BACKUP_LOCATION"/before-backup_"$DATE".tar.zst
rm --recursive --force "$TMP" ;;
?) ?)
help; exit 1;; help; exit 1;;
esac esac
@ -106,26 +112,23 @@ fi
before_backup && echo -e "${IGREEN}pre-backup complete${NO_COLOR}" before_backup && echo -e "${IGREEN}pre-backup complete${NO_COLOR}"
if [[ -z $1 ]]; then [[ -z $1 ]] && update
update_with_pacman_wrapper; update_with_flatpak
fi
while getopts 'fpagr' OPTIONS; do while getopts 'fpagr' OPTIONS; do
case $OPTIONS in case $OPTIONS in
f) f)
update_with_flatpak ;; if [[ -x /usr/bin/flatpak ]]; then
flatpak update --assumeyes
flatpak list --all --show-details > "$TMP"/after-backup_"$DATE"/flatpak-after.txt
fi ;;
p) p)
update_with_pacman_wrapper ;; "$PACMAN_WRAPPER" ;;
a) a)
update_with_pacman_wrapper; update_with_flatpak ;; update ;;
g) g)
if [ "$1" == "-g" ]; then [[ $1 == \-\g ]] && update
update_with_pacman_wrapper; update_with_flatpak
fi
FINAL_COMMAND="systemctl --check-inhibitors=yes poweroff" ;; FINAL_COMMAND="systemctl --check-inhibitors=yes poweroff" ;;
r) r)
if [ "$1" == "-r" ]; then [[ $1 == \-\r ]] && update
update_with_pacman_wrapper; update_with_flatpak
fi
FINAL_COMMAND="systemctl --check-inhibitors=yes reboot" ;; FINAL_COMMAND="systemctl --check-inhibitors=yes reboot" ;;
?) ?)
help; exit 1;; help; exit 1;;
@ -133,4 +136,4 @@ while getopts 'fpagr' OPTIONS; do
done done
after_backup && echo -e "${IGREEN}after-backup complete${NO_COLOR}" after_backup && echo -e "${IGREEN}after-backup complete${NO_COLOR}"
$FINAL_COMMAND; exit $FINAL_COMMAND && exit 0