summaryrefslogtreecommitdiff
path: root/src/lib/conf.sh
blob: 830eb017b9c476cdb622536b078ef5724b1d610c (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
#!/bin/bash

INCLUDE_CONF_SH=conf.sh

LIBREUSER="${SUDO_USER:-$USER}"
LIBREHOME="$(eval echo ~$LIBREUSER)"
if [[ -z ${XDG_CONFIG_HOME:-} ]]; then
	export XDG_CONFIG_HOME="${LIBREHOME}/.config"
fi

# 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
	case $slug in
		makepkg)
			if [[ $MAKEPKG_CONF != /etc/$slug.conf && -r $MAKEPKG_CONF ]]; then
				echo "$MAKEPKG_CONF"
			else
				echo /etc/$slug.conf
				echo "$LIBREHOME/.$slug.conf"
			fi
			;;
		libretools)
			echo /etc/$slug.conf
			echo "$XDG_CONFIG_HOME/libretools/$slug.conf"
			;;
		*)
			echo /etc/libretools.d/$slug.conf
			echo "$XDG_CONFIG_HOME/libretools/$slug.conf"
			;;
	esac
}

# Usage: load_files $slug
# Loads the configuration files for $slug in the proper order.
load_files() {
	for file in $(list_files $1); do
		if [[ -r $file ]]; then
			. "$file"
		fi
	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=$1
	shift
	local ret=0
	for VAR in "$@"; do
		if [[ -z ${!VAR} ]]; then
			if [[ $(list_files $slug|wc -l) > 1 ]]; then
				echo "Configure '$VAR' in one of:"
				list_files $slug | sed 's/./  -> &/'
			else
				echo "Configure '$VAR' in $(list_files $slug)"
			fi
			ret=1
		fi
	done >&2
	if [[ $ret != 0 ]]; then
		return 1
	fi
}

# makepkg configuration ########################################################

[[ -n ${MAKEPKG_CONF:-} ]] || MAKEPKG_CONF=/etc/makepkg.conf

load_conf_makepkg() {
	load_files makepkg
}

# Usage: get_conf_makepkg <var_name> <default_value>
get_conf_makepkg() (
	set +euE
	local setting=$1
	local default=$2
	load_conf_makepkg
	printf '%s\n' "${!setting:-${default}}"
)

set_conf_makepkg() {
	local key=$1
	local val=$2
	for file in $(list_files makepkg.conf|tac); do
		if [[ -w $file ]]; then
			sed -i "/^\s*$key=/d" "$file"
			echo "$key='$val'" >> "$file"
			return 0
		fi
	done
	return 1
}

# libretools configuration #####################################################

check_conf_libretools() {
	check_vars libretools \
		PARABOLAHOST LIBREDESTDIR BLACKLIST WORKDIR REPOS ARCHES \
		ABSLIBREGIT DIFFTOOL FULLBUILDCMD SIGEXT SIGID
}

load_conf_libretools() {
	load_files libretools
	check_conf_libretools
}

load_conf_libretools_chroot() {
	load_files chroot
	# Exclude CHROOTEXTRAPKG from the checks because an empty value is valid
	if [[ -f /.arch-chroot ]]; then
		# inside of a chroot, only CHROOTEXTRAPKG needs to be set, but
		# as stated above, we don't check for it.
		:
	else
		check_vars chroot CHROOTDIR CHROOT
	fi
}

load_conf_libretools_librefetch() {
	load_files librefetch
	check_vars librefetch MIRROR DOWNLOADER
}