scratchpkg/extra/deplist

#!/bin/bash

INDEX_DIR="/var/lib/scratchpkg/index"
CONF_FILE="/etc/scratchpkg.conf"

source "$CONF_FILE"
source "/usr/share/scratchpkg/color"
source "/usr/share/scratchpkg/message"

if [ ! "$1" ]; then
	msgerr "Please specify package name to list its dependencies order."
	exit 1
fi

calc_dep() {
	
	# check currently process package for loop
	if [ ${#CHECK[@]} -gt 0 ]; then
		if [[ "$(echo ${CHECK[@]} | tr " " "\n" | grep -x $1)" == "$1" ]]; then
			msgerr "loop dependency found: $1"
			exit 1
		fi
	fi
	
	# add package to currently process
	CHECK+=($1)
	
	# check dependencies
	for i in $(scratch -d "$1" --no-color | awk '{print $2}'); do
		if [[ $(echo ${DEP[@]} | tr " " "\n" | grep -w $i) = "" ]]; then
			calc_dep $i
		fi
	done
	
	# add dependency to list checked dep
	DEP+=($1)
	
	# delete process package array
	for i in "${!CHECK[@]}"; do
		if [[ ${CHECK[i]} = "$1" ]]; then
			unset 'CHECK[i]'
		fi
	done
	
}

CHECK=()
DEP=()

calc_dep $1

for deps in ${DEP[@]}; do
	if [ -e $INDEX_DIR/$deps/.pkginfo ]; then
		echo -e "$deps ${color_green}[installed]${color_reset}"
	else
		echo $deps
	fi
done

exit 0