summaryrefslogtreecommitdiff
path: root/scripts/libmakepkg/util/pkgbuild.sh.in
blob: b29229a3920a7862da5c32a395965ff667aabecc (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
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
#!/bin/bash
#
#   pkgbuild.sh - functions to extract information from PKGBUILD files
#
#   Copyright (c) 2009-2018 Pacman Development Team <pacman-dev@archlinux.org>
#
#   This program is free software; you can redistribute it and/or modify
#   it under the terms of the GNU General Public License as published by
#   the Free Software Foundation; either version 2 of the License, or
#   (at your option) any later version.
#
#   This program is distributed in the hope that it will be useful,
#   but WITHOUT ANY WARRANTY; without even the implied warranty of
#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#   GNU General Public License for more details.
#
#   You should have received a copy of the GNU General Public License
#   along with this program.  If not, see <http://www.gnu.org/licenses/>.
#

[[ -n "$LIBMAKEPKG_UTIL_PKGBUILD_SH" ]] && return
LIBMAKEPKG_UTIL_PKGBUILD_SH=1


have_function() {
	declare -f "$1" >/dev/null
}

grep_function() {
	{ declare -f "$1" || declare -f package; } 2>/dev/null | grep -E "$2"
}

array_build() {
	local dest=$1 src=$2 i keys values

	# it's an error to try to copy a value which doesn't exist.
	declare -p "$2" &>/dev/null || return 1

	# Build an array of the indicies of the source array.
	eval "keys=(\"\${!$2[@]}\")"

	# Clear the destination array
	eval "$dest=()"

	# Read values indirectly via their index. This approach gives us support
	# for associative arrays, sparse arrays, and empty strings as elements.
	for i in "${keys[@]}"; do
		values+=("printf -v '$dest[$i]' %s \"\${$src[$i]}\";")
	done

	eval "${values[*]}"
}

extract_global_variable() {
	# $1: variable name
	# $2: multivalued
	# $3: name of output var

	local attr=$1 isarray=$2 outputvar=$3 ref

	if (( isarray )); then
		array_build ref "$attr"
		(( ${#ref[@]} )) && array_build "$outputvar" "$attr"
	else
		[[ ${!attr} ]] && printf -v "$outputvar" %s "${!attr}"
	fi
}

extract_function_variable() {
	# $1: function name
	# $2: variable name
	# $3: multivalued
	# $4: name of output var

	local funcname=$1 attr=$2 isarray=$3 outputvar=$4 attr_regex= decl= r=1

	if (( isarray )); then
		printf -v attr_regex '^[[:space:]]* %s\+?=\(' "$2"
	else
		printf -v attr_regex '^[[:space:]]* %s\+?=[^(]' "$2"
	fi

	# this function requires extglob - save current status to restore later
	local shellopts=$(shopt -p extglob)
	shopt -s extglob

	while read -r; do
		# strip leading whitespace and any usage of declare
		decl=${REPLY##*([[:space:]])}
		eval "${decl/#$attr/$outputvar}"

		# entering this loop at all means we found a match, so notify the caller.
		r=0
	done < <(grep_function "$funcname" "$attr_regex")

	eval "$shellopts"

	return $r
}

get_pkgbuild_attribute() {
	# $1: package name
	# $2: attribute name
	# $3: multivalued
	# $4: name of output var

	local pkgname=$1 attrname=$2 isarray=$3 outputvar=$4

	if (( isarray )); then
		eval "$outputvar=()"
	else
		printf -v "$outputvar" %s ''
	fi

	if [[ $pkgname ]]; then
		extract_global_variable "$attrname" "$isarray" "$outputvar"
		extract_function_variable "package_$pkgname" "$attrname" "$isarray" "$outputvar"
	else
		extract_global_variable "$attrname" "$isarray" "$outputvar"
	fi
}

get_pkgbuild_all_split_attributes() {
	local attrname=$1 outputvar=$2 all_list list

	if extract_global_variable "$attrname" 1 list; then
		all_list+=("${list[@]}")
	fi
	for a in "${arch[@]}"; do
		if extract_global_variable "${attrname}_$a" 1 list; then
			all_list+=("${list[@]}")
		fi
	done

	for name in "${pkgname[@]}"; do
		if extract_function_variable "package_$name" "$attrname" 1 list; then
			all_list+=("${list[@]}")
		fi

		for a in "${arch[@]}"; do
			if extract_function_variable "package_$name" "${attrname}_$a" 1 list; then
				all_list+=("${list[@]}")
			fi
		done
	done

	(( ${#all_list[@]} )) && array_build "$outputvar" all_list
}

##
#  usage : get_full_version()
# return : full version spec, including epoch (if necessary), pkgver, pkgrel
##
get_full_version() {
	if (( epoch > 0 )); then
		printf "%s\n" "$epoch:$pkgver-$pkgrel"
	else
		printf "%s\n" "$pkgver-$pkgrel"
	fi
}

##
#  usage : get_pkg_arch( [$pkgname] )
# return : architecture of the package
##
get_pkg_arch() {
	if [[ -z $1 ]]; then
		if [[ $arch = "any" ]]; then
			printf "%s\n" "any"
		else
			printf "%s\n" "$CARCH"
		fi
	else
		local arch_override
		get_pkgbuild_attribute "$1" arch 1 arch_override
		(( ${#arch_override[@]} == 0 )) && arch_override=("${arch[@]}")
		if [[ $arch_override = "any" ]]; then
			printf "%s\n" "any"
		else
			printf "%s\n" "$CARCH"
		fi
	fi
}

print_all_package_names() {
	local version=$(get_full_version)
	local architecture pkg opts a
	for pkg in ${pkgname[@]}; do
		architecture=$(get_pkg_arch $pkg)
		printf "%s/%s-%s-%s%s\n" "$PKGDEST" "$pkg" "$version" "$architecture" "$PKGEXT"
	done
	if check_option "debug" "y" && check_option "strip" "y"; then
		architecture=$(get_pkg_arch)
		printf "%s/%s-%s-%s-%s%s\n" "$PKGDEST" "$pkgbase" "@DEBUGSUFFIX@" "$version" "$architecture" "$PKGEXT"
	fi
}

get_all_sources() {
	local aggregate l a

	if array_build l 'source'; then
		aggregate+=("${l[@]}")
	fi

	for a in "${arch[@]}"; do
		if array_build l "source_$a"; then
			aggregate+=("${l[@]}")
		fi
	done

	array_build "$1" "aggregate"
}

get_all_sources_for_arch() {
	local aggregate l

	if array_build l 'source'; then
		aggregate+=("${l[@]}")
	fi

	if array_build l "source_$CARCH"; then
		aggregate+=("${l[@]}")
	fi

	array_build "$1" "aggregate"
}

get_integlist() {
	local integ
	local integlist=()

	for integ in "${known_hash_algos[@]}"; do
		# check for e.g. "sha256sums"
		local sumname="${integ}sums[@]"
		if [[ -n ${!sumname} ]]; then
			integlist+=("$integ")
			continue
		fi

		# check for e.g. "sha256sums_x86_64"
		for a in "${arch[@]}"; do
			local sumname="${integ}sums_${a}[@]"
			if [[ -n ${!sumname} ]]; then
				integlist+=("$integ")
				break
			fi
		done
	done

	if (( ${#integlist[@]} > 0 )); then
		printf "%s\n" "${integlist[@]}"
	else
		printf "%s\n" "${INTEGRITY_CHECK[@]}"
	fi
}