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Complete rewrite of argument parsing

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Now it is easier to add long and short options.
I added two functions, one after everything is done and another which is executed in case of an interrupt.
This commit is contained in:
René Fuhry 2023-03-31 13:20:47 +02:00 committed by GitHub
parent e4e0047d4f
commit e5559ed6c1
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1 changed files with 56 additions and 25 deletions
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@ -1,10 +1,10 @@
#!/bin/bash
#!/usr/bin/bash
# updates using a pacman-wrapper and flatpak-update with flags
# version 1.8
source "$HOME"/.config/update.conf
VER="1.9"
IGREEN="\033[0;92m" # Intense Green
IYELLOW="\033[0;93m" # Intense Red
NC="\033[0m" # Text Reset
@ -12,6 +12,9 @@ TMP="/tmp/update"
DATE="$(date +"%Y-%m-%d %H:%M:%S")"
PRE_BACKUP_AMOUNT="$(ls -Ub "$BACKUP_LOCATION"/ | grep -c ^before-backup)"
POST_BACKUP_AMOUNT="$(ls -Ub "$BACKUP_LOCATION"/ | grep -c ^after-backup)"
FINAL_COMMAND=""
trap interrupt_function INT
Help() {
echo "Usage: update [OPTION]"
@ -21,8 +24,8 @@ Help() {
echo "-f updates using flatpak update only"
echo "-p updates using a pacman-wrapper only"
echo "-a updates using flatpak update and a pacman-wrapper"
echo "-g shutdowns the computer afterwards (needs to be the last or only option to work properly)"
echo "-r reboots the computer afterwards (needs to be the last or only option to work properly)"
echo "-g shutdowns the computer afterwards"
echo "-r reboots the computer afterwards"
echo "--help displays this message"
echo "-P, --preview shows a preview of which pkg's can be updated"
}
@ -62,7 +65,6 @@ after_backup() {
tar -cJf "$TMP"/after-backup_"$DATE".tar.xz.new "$TMP"/after-backup_"$DATE" &> /dev/null
cp "$TMP"/after-backup_"$DATE".tar.xz.new "$BACKUP_LOCATION"
rename after-backup_"$DATE".tar.xz.new after-backup_"$DATE".tar.xz "$BACKUP_LOCATION"/after-backup_"$DATE".tar.xz.new
rm -r "$TMP"
}
update_with_pacman_wrapper() {
@ -77,26 +79,55 @@ update_with_flatpak() {
flatpak list > "$TMP"/after-backup_"$DATE"/flatpak-after.txt
}
[[ $1 = --help ]] && Help && exit 0
[[ $1 = --preview || $1 = -P ]] && sudo pacman -Sy &> /dev/null && sudo pacman -Qu && exit 0
interrupt_function() {
echo "Interrupt has been detected"
sudo rm /var/lib/pacman/db.lck &> /dev/null
rm -r "$TMP" &> /dev/null
exit 1
}
[[ -z $1 ]] && update_with_pacman_wrapper;
while getopts 'fpagr' OPTIONS; do
case "$OPTIONS" in
f)
update_with_flatpak ;;
p)
update_with_pacman_wrapper ;;
a)
update_with_flatpak; update_with_pacman_wrapper ;;
g)
[[ $1 = -g ]] && update_with_pacman_wrapper
sleep 3s && shutdown now && exit 0;;
r)
[[ $1 = -r ]] && update_with_pacman_wrapper
sleep 3s && reboot && exit 0;;
final() {
rm -r "$TMP" &> /dev/null
[[ $FINAL_COMMAND ]] && sleep 3s && $FINAL_COMMAND && exit 0
}
[[ $1 ]] || update_with_pacman_wrapper
if [[ ${1:0:2} = -- ]]; then
case "${1:2}" in
help)
Help && exit 0;;
preview)
sudo pacman -Sy &> /dev/null && sudo pacman -Qu && exit 0;;
version)
echo "$VER" && exit 0;;
?)
Help
exit 1;;
Help && exit 1;;
esac
done
else
while getopts 'fpagr' OPTIONS; do
case $OPTIONS in
P)
sudo pacman -Sy &> /dev/null && sudo pacman -Qu && exit 0;;
f)
update_with_flatpak;;
p)
update_with_pacman_wrapper ;;
a)
update_with_flatpak; update_with_pacman_wrapper ;;
g)
[[ $1 = -g ]] && update_with_pacman_wrapper
FINAL_COMMAND="shutdown now" ;;
r)
[[ $1 = -r ]] && update_with_pacman_wrapper
FINAL_COMMAND="reboot" ;;
h)
Help && exit 0;;
V)
echo "$VER" && exit 0;;
?)
Help && exit 1;;
esac
done
fi
final