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
|
#!/usr/bin/env bash # non-executable, but put this there as a hint to text editors
# This may be included with or without `set -euE`
# Copyright (C) 2012-2015 Luke Shumaker <lukeshu@sbcglobal.net>
#
# License: GNU GPLv2+
#
# 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/>.
LIBREUSER="${SUDO_USER:-$USER}"
if [[ $LIBREUSER == $USER ]]; then
LIBREHOME=$HOME
else
eval "LIBREHOME=~$LIBREUSER"
fi
if [[ -z ${XDG_CONFIG_HOME:-} ]]; then
export XDG_CONFIG_HOME="${LIBREHOME}/.config"
fi
if [[ -z ${XDG_CACHE_HOME:-} ]]; then
export XDG_CACHE_HOME="${LIBREHOME}/.cache"
fi
# Low-level generic functions ##################################################
# Usage: list_files $slug
# Lists the configuration files to be considered for $slug.
# Later files should take precedence over earlier files.
list_files() {
local slug=$1
local sysconfdir=${_librelib_conf_sh_sysconfdir:-@sysconfdir@}
local pkgconfdir=${_librelib_conf_sh_pkgconfdir:-@pkgconfdir@}
case $slug in
abs)
echo "${sysconfdir}/$slug.conf"
echo "$LIBREHOME/.$slug.conf"
;;
makepkg)
local manual="${MAKEPKG_CONF:-}"
local system="${sysconfdir}/$slug.conf"
local olduser="$LIBREHOME/.$slug.conf"
local newuser="$XDG_CONFIG_HOME/pacman/$slug.conf"
if [[ "$manual" != "$system" && -r "$manual" ]]; then
# Manually-specified file
echo "$manual"
else
# Normal file lookup
echo "$system"
if [[ -r "$olduser" && ! -r "$newuser" ]]; then
echo "$olduser"
else
echo "$newuser"
fi
fi
;;
xbs*)
echo "${sysconfdir}/xbs/$slug.conf"
echo "$XDG_CONFIG_HOME/xbs/$slug.conf"
;;
libretools)
echo "${sysconfdir}/$slug.conf"
echo "$XDG_CONFIG_HOME/libretools/$slug.conf"
;;
*)
echo "${pkgconfdir}/$slug.conf"
echo "$XDG_CONFIG_HOME/libretools/$slug.conf"
;;
esac
}
# Usage: list_envvars $slug
# Lists the environmental variables that take precedence over the configuration
# files for $slug.
list_envvars() {
local slug=$1
case $slug in
makepkg)
printf '%s\n' \
PKGDEST SRCDEST SRCPKGDEST LOGDEST \
BUILDDIR \
PKGEXT SRCEXT \
GPGKEY PACKAGER \
CARCH
;;
libretools)
printf '%s\n' DIFFPROG
;;
xbs)
printf '%s\n' BUILDSYSTEM
;;
*) :;;
esac
}
# High-level generic functions #################################################
# Usage: load_files $slug
# Loads the configuration files for $slug in the proper order.
load_files() {
local slug=$1
local var
local file
# Save the existing versions at _VARNAME
for var in $(list_envvars $slug); do
[[ -n ${!var:-} ]] && eval "_$var=\${$var}"
done
# Load the files
for file in $(list_files $slug); do
if [[ -r $file ]]; then
. "$file" || return 1
fi
done
# Restore the _SAVED versions
for var in $(list_envvars $slug); do
eval "$var=\${_$var:-\${$var:-}}"
done
}
# Usage: check_vars $slug VAR1 VAR2...
# Check whether the variables listed are properly set.
# If not, it prints a message saying to set them in the configuration file(s)
# for $slug.
check_vars() (
local slug=$1; shift
local ret=0
local VAR
for VAR in "$@"; do
if [[ -z ${!VAR:-} ]]; then
type print &>/dev/null || . libremessages
if [[ $(list_files $slug|wc -l) -gt 1 ]]; then
_l print "Configure '%s' in one of:" "$VAR"
list_files $slug | sed 's/./ -> &/'
else
_l print "Configure '%s' in '%s'" "$VAR" "$(list_files $slug)"
fi
ret=1
fi
done >&2
if [[ $ret != 0 ]]; then
return 1
fi
)
# Usage: get_var <slug> <var_name> <default_value>
# Does not work with arrays
get_var() (
set +euE
local slug=$1
local setting=$2
local default=$3
load_files "$slug"
printf '%s' "${!setting:-${default}}"
)
# Usage: set_var <slug> <var_name> <value>
# Does not work with arrays
set_var() {
local slug=$1
local key=$2
local val=$3
local file
for file in $(list_files "$slug"|tac); do
if [[ -w $file ]]; then
sed -i "/^\s*$key=/d" "$file"
printf '%s=%q\n' "$key" "$val" >> "$file"
return 0
fi
done
return 1
}
# PKGBUILD (not configuration, per se) #########################################
unset_PKGBUILD() {
# This routine is based primarily off of the PKGBUILD(5) man-page,
# version 4.2.0, dated 2014-12-31
# This is kinda weird, but everything is more readable with
# this as a utility function, but I didn't want to introduce a
# new global function, so I just introduced it with the name
# of a function that we get to unset anyway. So it can't
# clash with anything!
mksource() {
# For each arg, `unset -v` all variables matching ${arg} and ${arg}_*
local v
for v in "$@"; do
unset -v "$v" $(declare -p|sed -rn "s/^declare -\S+ (${v}_[a-zA-Z0-9_]*)=.*/\1/p")
done
}
# This line is taken from the makepkg source
local known_hash_algos=('md5' 'sha1' 'sha224' 'sha256' 'sha384' 'sha512')
# From the "OPTIONS AND DIRECTIVES" section (in order of mention)
unset -v pkgname pkgver
unset -f pkgver
unset -v pkgrel pkgdesc epoch url license install changelog
mksource source
unset -v validpgpkeys noextract
local sums=("${known_hash_algos[@]/%/sums}")
mksource "${sums[@]}"
unset -v groups arch backup
mksource depends makedepends checkdepends optdepends
mksource conflicts provides replaces
unset -v options
# From the "PACKAGING FUNCTIONS" section (in order of mention)
unset -f package prepare build check
# From the "PACKAGE SPLITTING" section
unset -f $(declare -f|sed -n 's/^\(package_\S*\) ()\s*$/\1/p')
unset -v pkgbase
# These are used by the `librefetch` program
unset -v mksource mknoextract "${sums[@]/#/mk}"
unset -v mkdepends
unset -f mksource
}
load_PKGBUILD() {
local file=${1:-./PKGBUILD}
unset_PKGBUILD
CARCH="$(get_var makepkg CARCH "`uname -m`")"
. "$file"
}
|
