summaryrefslogtreecommitdiff
path: root/functions/packageslists.sh
blob: cdec22c5d52e54c833e1e21788505a3e80a640ea (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
#!/bin/sh

# packagelists.sh - expands package list includes
# Copyright (C) 2006-2007 Daniel Baumann <daniel@debian.org>
#
# live-helper comes with ABSOLUTELY NO WARRANTY; for details see COPYING.
# This is free software, and you are welcome to redistribute it
# under certain conditions; see COPYING for details.

set -e

Expand_packagelist ()
{
	# ${1} List name
	# ${2} Default path to search
	# ${3} Fallback path to search (optional)

	# Does list exist in default path?
	if [ -e "${2}/${1}" ];
	then
		Expand_packagelist_file "${2}/${1}" "${@}"
	else
		# If list exists in fallback, include it.
		if [ -n "${3}" ] && [ -e "${3}/${1}" ]
		then
			Expand_packagelist_file "${3}/${1}" "${@}"
		fi
	fi
}

Expand_packagelist_file ()
{
	local FILE="${1}"
	shift
	shift

	for INCLUDE in $(sed -ne 's|^#<include> \(.*\)|\1|gp' "${FILE}");
	do
		Expand_packagelist "${INCLUDE}" "${@}"
	done
	sed -ne 's|^\([^#].*\)|\1\n|gp' "${FILE}"
}