125 lines
4.1 KiB
Bash
125 lines
4.1 KiB
Bash
#!/usr/bin/bash
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# updates using a pacman-wrapper and flatpak-update with flags
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source "$HOME"/.config/update.conf
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VER="2.0.0"
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IGREEN="\033[0;92m" # Intense Green
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IYELLOW="\033[0;93m" # Intense Red
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NC="\033[0m" # Text Reset
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TMP="/tmp/update"
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DATE="$(date +"%Y-%m-%d %H:%M:%S")"
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PRE_BACKUP_AMOUNT="$(ls -Ub "$BACKUP_LOCATION"/ | grep -c ^before-backup)"
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POST_BACKUP_AMOUNT="$(ls -Ub "$BACKUP_LOCATION"/ | grep -c ^after-backup)"
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FINAL_COMMAND=""
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trap interrupt_function INT
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Help() {
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echo "Usage: update [OPTION]"
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echo
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echo "options:"
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echo "no flag same as -p"
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echo "-f updates using flatpak update only"
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echo "-p updates using a pacman-wrapper only"
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echo "-a updates using flatpak update and a pacman-wrapper"
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echo "-g shutdowns the computer afterwards"
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echo "-r reboots the computer afterwards"
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echo "--help displays this message"
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echo "--preview shows a preview of which pkg's can be updated"
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echo "--version prints out the version number"
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}
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check_for_dblck() {
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if [ -f /var/lib/pacman/db.lck ]; do {
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echo -e "${IYELLOW}->${NC} /var/lib/pacman/db.lck exists"
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echo -e "${IYELLOW}->${NC} there might be another instance of pacman running. exiting..."
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exit 1
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}
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done
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}
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delete_oldest_backup() {
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if [[ $1 > $BACKUP_AMOUNT ]]; then
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OLDEST_FILE="$(ls -t "$BACKUP_LOCATION" | grep $2 | tail -1)"
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rm "$BACKUP_LOCATION"/"$OLDEST_FILE"
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fi
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}
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before_backup() {
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check_for_dblck
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delete_oldest_backup $PRE_BACKUP_AMOUNT before-backup
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rm -r "$TMP" &> /dev/null
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mkdir "$TMP" && mkdir "$TMP"/before-backup_"$DATE" && mkdir "$TMP"/after-backup_"$DATE"
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pacman -Q > "$TMP"/before-backup_"$DATE"/pacman-pre.txt
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[[ -f /usr/bin/flatpak ]] && flatpak list > "$TMP"/before-backup_"$DATE"/flatpak-pre.txt
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sudo touch /var/lib/pacman/db.lck
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tar -cJf "$TMP"/before-backup_"$DATE".tar.xz.new "$TMP"/before-backup_"$DATE" /var/lib/pacman/local &> /dev/null
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sudo rm /var/lib/pacman/db.lck
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cp "$TMP"/before-backup_"$DATE".tar.xz.new "$BACKUP_LOCATION"
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rename before-backup_"$DATE".tar.xz.new before-backup_"$DATE".tar.xz "$BACKUP_LOCATION"/before-backup_"$DATE".tar.xz.new
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}
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after_backup() {
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delete_oldest_backup $POST_BACKUP_AMOUNT after-backup
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tar -cJf "$TMP"/after-backup_"$DATE".tar.xz.new "$TMP"/after-backup_"$DATE" &> /dev/null
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cp "$TMP"/after-backup_"$DATE".tar.xz.new "$BACKUP_LOCATION"
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rename after-backup_"$DATE".tar.xz.new after-backup_"$DATE".tar.xz "$BACKUP_LOCATION"/after-backup_"$DATE".tar.xz.new
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[[ $FINAL_COMMAND ]] && sleep 3s && $FINAL_COMMAND && exit 0
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}
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update_with_pacman_wrapper() {
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"$PACMAN_WRAPPER"
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pacman -Q > "$TMP"/after-backup_"$DATE"/pacman-after.txt
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}
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update_with_flatpak() {
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flatpak update -u --noninteractive
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flatpak list > "$TMP"/after-backup_"$DATE"/flatpak-after.txt
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}
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interrupt_function() {
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echo "Interrupt has been detected"
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sudo rm /var/lib/pacman/db.lck &> /dev/null
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rm -r "$TMP" &> /dev/null
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exit 1
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}
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[[ $1 ]] || before_backup && echo -e "${IGREEN}pre-backup complete${NC}" && update_with_pacman_wrapper
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if [[ ${1:0:2} = -- ]]; then
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case "${1:2}" in
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help)
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Help && exit 0;;
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preview)
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sudo pacman -Sy &> /dev/null && sudo pacman -Qu && exit 0;;
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version)
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echo "$VER" && exit 0;;
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?)
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Help && exit 1;;
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esac
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else
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before_backup && echo -e "${IGREEN}pre-backup complete${NC}"
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while getopts 'fpagr' OPTIONS; do
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case $OPTIONS in
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f)
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update_with_flatpak;;
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p)
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update_with_pacman_wrapper ;;
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a)
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update_with_pacman_wrapper; update_with_flatpak ;;
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g)
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[[ $1 = -g ]] && update_with_pacman_wrapper
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FINAL_COMMAND="shutdown now" ;;
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r)
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[[ $1 = -r ]] && update_with_pacman_wrapper
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FINAL_COMMAND="reboot" ;;
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?)
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Help && exit 1;;
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esac
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done
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fi
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after_backup && echo -e "${IGREEN}after-backup complete${NC}"
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