1 files changed, 115 insertions, 0 deletions
diff --git a/src/lib/conf.sh b/src/lib/conf.sh
new file mode 100644
index 0000000..7693ee5
--- /dev/null
+++ b/src/lib/conf.sh
@@ -0,0 +1,115 @@
+#!/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 ############################################################
+
+get_files() {
+	local slug=$1
+	case $slug in
+		makepkg.conf)
+			if [[ $MAKEPKG_CONF != /etc/$slug && -r $MAKEPKG_CONF ]]; then
+				echo "$MAKEPKG_CONF"
+			else
+				echo /etc/$slug
+				echo "$LIBREHOME/.$slug"
+			fi
+			;;
+		libretools.conf)
+			echo /etc/$slug
+			echo "$XDG_CONFIG_HOME/libretools/$slug"
+			;;
+		*.conf)
+			echo /etc/libretools.d/$slug
+			echo "$XDG_CONFIG_HOME/libretools/$slug"
+			;;
+	esac
+}
+
+load_files() {
+	for file in $(get_files $1.conf); do
+		if [[ -r $file ]]; then
+			. "$file"
+		fi
+	done
+}
+
+check_vars() {
+	local slug=$1
+	shift
+	local ret=0
+	for VAR in "$@"; do
+		if [[ -z ${!VAR} ]]; then
+			if [[ $(get_files $slug|wc -l) > 1 ]]; then
+				echo "Configure '$VAR' in one of:"
+				get_files $slug | sed 's/./  -> &/'
+			else
+				echo "Configure '$VAR' in $(get_files $slug)"
+			fi
+			ret=1
+		fi >>/dev/stderr
+	done
+	if [[ $ret != 0 ]]; then
+		return 1
+	fi
+}
+
+# makepkg configuration ########################################################
+
+[[ -n ${MAKEPKG_CONF:-} ]] || MAKEPKG_CONF=/etc/makepkg.conf
+
+load_conf_makepkg() {
+	load_files makepkg
+}
+
+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 `get_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 #####################################################
+
+load_conf_libretools() {
+	load_files libretools
+	# TODO: checks
+}
+
+load_conf_libretools_chroot() {
+	load_files chroot
+	if [[ -f /.arch-chroot ]]; then
+		# check_vars chroot CHROOTEXTRAPKG
+		:
+	else
+		# check_vars chroot CHROOTDIR CHROOT CHROOTEXTRAPKG
+		local ret=0
+		check_vars chroot CHROOTDIR CHROOT || ret=$?
+		if [[ $CHROOT == root ]]; then
+			echo "Configured var CHROOT cannot equal 'root'"
+			ret=1
+		fi
+		return $ret;
+	fi
+}