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#!/usr/bin/env bash
#
# Clyhsuriva
#
# __ _______ _____
# \ \ / /_ _| | __ \
# \ \ /\ / / | | | |__) |
# \ \/ \/ / | | | ___/
# \ /\ / _| |_ _| |_
# \/ \(_) |_____(_)_(_)
#
###
# All variables must be declared.
set -o nounset
# Truncating existing non-empty files must be explicit,
# so instead of `echo "text" > file` you must use `echo "text" >| file`.
set -o noclobber
# Avoids translation of commands messages, numeric and date format, string expansion and sorting.
export LC_ALL=C
# This provides a more readable output to follow when tracing with `set -x`.
export PS4=' (${BASH_SOURCE##*/}::${FUNCNAME[0]:-main}::$LINENO) '
###
### VARIABLES ###
typeset NORMAL=""
typeset GREEN=""
typeset BOLD=""
typeset MAGENTA=""
typeset yn
typeset -i spinner_pid
typeset void_updates_url=""
typeset void_updates_content=""
typeset orphan_packages=""
typeset orphan_packages_sorted=""
typeset package=""
typeset -A pkgs_to_update=()
###
### COLOURS ###
NORMAL=$(tput sgr0)
printf_red(){
RED=$(tput setaf 1)
printf "%s%s%s\n" "$RED" "$1" "$NORMAL"
}
printf_green(){
GREEN=$(tput setaf 2)
BOLD=$(tput bold)
printf "%s%s%s%s\n" "$GREEN" "$BOLD" "$1" "$NORMAL"
}
printf_magenta(){
MAGENTA=$(tput setaf 5)
printf "%s[%s]%s" "$MAGENTA" "$1" "$NORMAL"
}
####
### FUNCTIONS
function yes_or_no {
while true; do
read -rp "$* [y/n]: " yn
case $yn in
[Yy]*) return 0 ;;
[Nn]*) echo "Aborted" ; return 1 ;;
esac
done
}
function start_spinner {
set +m
echo -n "$1 "
{ while : ; do for X in ' • ' ' • ' ' • ' ' • ' ' • ' ' • ' ' • ' ' • ' ' • ' ' • ' ; do echo -en "\b\b\b\b\b\b\b\b$X" ; sleep 0.1 ; done ; done & } 2>/dev/null
spinner_pid=$!
}
function stop_spinner {
{ kill -9 "$spinner_pid" && wait; } 2>/dev/null
set -m
echo -en "\033[2K\r"
}
###
### MAIN ###
void_updates_url="https://repo-fi.voidlinux.org/void-updates/void-updates.txt"
void_updates_content=$(curl --silent "$void_updates_url")
orphan_packages=$(echo "$void_updates_content" | sed -n '/orphan@voidlinux.org/,/@/p' | grep -v '^--' | grep -v '@')
orphan_packages_sorted=$(echo "$orphan_packages" | awk '{ print $1 }' | sort -u)
start_spinner "Calculating how many orphan packages there are..."
for package in $orphan_packages_sorted;
do
# Get the last line of of the corresponding package, hence the lastest version
latest_pkg_line=$(echo "$orphan_packages" | grep -e "^$package " | tail -1)
latest_version=$(echo "$latest_pkg_line" | awk '{ print $4; }')
pkgs_to_update["$package"]="$latest_version"
done
stop_spinner
echo "Number of orphan packages needing an update : ${#pkgs_to_update[@]}"
yes_or_no "This can take a very long time, would you like to proceed ?" && echo "he said yes"
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