Add background support

setup.bash

@@ -24,7 +24,8 @@ install-apt-dependencies() {
 	     vorbis-tools \
 	     sound-theme-freedesktop \
 	     terminator \
-	     xscreensaver
+	     xscreensaver \
+	     nitrogen
     set +x
 }
 
@@ -41,7 +42,7 @@ asset-dirs-exist() {
 
 install-dependencies() {
     echo "=> Checking dependencies"
-    if ! are-in-path xcompmgr openbox dunst ogg123 terminator xscreensaver \
+    if ! are-in-path xcompmgr openbox dunst ogg123 terminator xscreensaver nitrogen \
 	    || ! asset-dirs-exist; then
 	install-apt-dependencies
     fi
@@ -198,6 +199,23 @@ check-config() {
 	
 	config-add startup_script "$startup_script"
     fi
+
+    if ! config-has desktop_background; then
+	read -rep "Pleade provide a file to use as desktop background, leave blank for none: " \
+	     background
+
+	if [[ -z $background ]]; then
+	    config-add desktop_background none
+	else
+	    config-add desktop_background "$background"
+	fi
+    fi
+}
+
+add-custom-background() {
+    if [[ $(config-get background) != 'none' ]]; then
+	printf 'nitrogen --set-auto %s\n' "$(config-get background)" >> "$(config-dir openbox)/autostart.sh"
+    fi
 }
 
 setup-openbox-for-user() {
@@ -213,6 +231,7 @@ setup-openbox-for-user() {
     create-user-config-if-not-created
     check-config
     add-custom-startup
+    add-custom-background
 
     echo '=> Finished. You might want to run "openbox --restart" ' \
 	 '(or for initial setup "openbox --exit" and then login again)'