Merge pull request 'Use XDG config directory' (#2) from feature/xdg-config-dir into develop

Reviewed-on: https://git.kske.dev/DieGurke/paperchanger/pulls/2

paperchanger.sh

@@ -2,21 +2,24 @@
 
 # Simple CLI to make wallpaper changes with xwallpaper more comfortable
 
-mkdir -p $HOME/.paperchanger
+CONF_DIR=${XDG_CONFIG_HOME:-~/.config}/paperchanger
+CONF_CURRENT_WP=${CONF_DIR}/current_wallpaper.txt
+CONF_PATH=${CONF_DIR}/paperchanger.conf.sh
+mkdir -p ${CONF_DIR}
 
-if [[ ! -f "$HOME/.paperchanger/current_wallpaper.txt" ]]; then
-	touch $HOME/.paperchanger/current_wallpaper.txt	
+if [[ ! -f ${CONF_DIR} ]]; then
+	touch ${CONF_DIR}
 fi
 
 
-if [[ ! -f "$HOME/.paperchanger/paperchanger.conf.sh" ]]; then
+if [[ ! -f ${CONF_PATH} ]]; then
 	echo '# This is the configuration file used by the paperchanger program
 
-default_directory=' > $HOME/.paperchanger/paperchanger.conf.sh
+default_directory=' > ${CONF_DIR}/paperchanger.conf.sh
 fi
 
-read -r current_file_path < $HOME/.paperchanger/current_wallpaper.txt
-source $HOME/.paperchanger/paperchanger.conf.sh
+read -r current_file_path < ${CONF_CURRENT_WP}
+source ${CONF_CURRENT_WP}
 
 function _help() {
 	echo ""
@@ -41,11 +44,11 @@ function _display() {
 
 function _set() {
 	current_file_path="$1"
-	echo "$current_file_path" > $HOME/.paperchanger/current_wallpaper.txt
+	echo "$current_file_path" > ${CONF_CURRENT_WP}
 }
 
 function _change_config_path() {
-	sed -i "s/^default_directory=.*\$/default_directory=${1//\//\\/}/" $HOME/.paperchanger/paperchanger.conf.sh
+	sed -i "s/^default_directory=.*\$/default_directory=${1//\//\\/}/" ${CONF_PATH}
 }
 
 case "$#" in