Write current state to a statefile (preparation for the future systra…

…y applet) (#148)

* - Write to state file

* - Use user statefile

* - match state styling

* - relabel functions
- update comments

* - fixed a typo

* - rename `state-update-available`

src/script/arch-update.sh

@@ -192,29 +192,29 @@ invalid_option() {
 # Definition of the icon directory
 icon_dir="/usr/share/icons/hicolor/scalable/apps"
 
-# Definition of the icon_checking function: Change icon to "checking"
-icon_checking() {
-	cp -f "${icon_dir}/${name}_checking.svg" "${icon_dir}/${name}.svg" || exit 3
+# Definition of the state_checking function: Change state to "checking"
+state_checking() {
+	echo "${name}_checking" > "${statedir}/current_state"
 }
 
-# Definition of the icon_updates_available function: Change icon to "updates-available"
-icon_updates_available() {
-	cp -f "${icon_dir}/${name}_updates-available.svg" "${icon_dir}/${name}.svg" || exit 3
+# Definition of the state_updates_available function: Change state to "updates-available"
+state_updates_available() {
+	echo "${name}_updates-available" > "${statedir}/current_state"
 }
 
-# Definition of the icon_installing function: Change icon to "installing"
-icon_installing() {
-	cp -f "${icon_dir}/${name}_installing.svg" "${icon_dir}/${name}.svg" || exit 3
+# Definition of the state_installing function: Change state to "installing"
+state_installing() {
+	echo "${name}_installing" > "${statedir}/current_state"
 }
 
-# Definition of the icon_up_to_date function: Change icon to "up to date"
-icon_up_to_date() {
-	cp -f "${icon_dir}/${name}_up-to-date.svg" "${icon_dir}/${name}.svg" || exit 3
+# Definition of the state_up_to_date function: Change state to "up to date"
+state_up_to_date() {
+	echo "${name}_up-to-date" > "${statedir}/current_state"
 }
 
 # Definition of the check function: Check for available updates, change the icon accordingly and send a desktop notification containing the number of available updates
 check() {
-	icon_checking
+	state_checking
 
 	if [ -n "${aur_helper}" ] && [ -n "${flatpak}" ]; then
 		update_available=$(checkupdates ; "${aur_helper}" -Qua ; flatpak update | sed -n '/^ 1./,$p' | awk '{print $2}' | grep -v '^$' | sed '$d')
@@ -232,7 +232,7 @@ check() {
 	fi
 
 	if [ -n "${update_available}" ]; then
-		icon_updates_available
+		state_updates_available
 
 		if [ -n "${notif}" ]; then
 			if ! diff "${statedir}/current_updates_check" "${statedir}/last_updates_check" &> /dev/null; then
@@ -255,7 +255,7 @@ check() {
 			fi
 		fi
 	else
-		icon_up_to_date
+		state_up_to_date
 	fi
 
 	if [ -f "${statedir}/current_updates_check" ]; then
@@ -265,7 +265,7 @@ check() {
 
 # Definition of the list_packages function: Display packages that are available for update and offer to apply them if there are
 list_packages() {
-	icon_checking
+	state_checking
 	info_msg "$(eval_gettext "Looking for updates...\n")"
 
 	if [ -z "${no_version}" ]; then
@@ -302,14 +302,14 @@ list_packages() {
 	fi
 
 	if [ -z "${packages}" ] && [ -z "${aur_packages}" ] && [ -z "${flatpak_packages}" ]; then
-		icon_up_to_date
+		state_up_to_date
 		if [ -z "${list_option}" ]; then
 			info_msg "$(eval_gettext "No update available\n")"
 		else
 			exit 7
 		fi
 	else
-		icon_updates_available
+		state_updates_available
 		if [ -z "${list_option}" ]; then
 			ask_msg "$(eval_gettext "Proceed with update? [Y/n]")"
 
@@ -392,14 +392,14 @@ list_news() {
 
 # Definition of the update function: Update packages
 update() {
-	icon_installing
+	state_installing
 
 	if [ -n "${packages}" ]; then
 		echo
 		main_msg "$(eval_gettext "Updating Packages...\n")"
 
 		if ! "${su_cmd}" pacman --color "${pacman_color_opt}" -Syu; then
-			icon_updates_available
+			state_updates_available
 			echo
 			error_msg "$(eval_gettext "An error has occurred during the update process\nThe update has been aborted\n")" && quit_msg
 			exit 5
@@ -411,7 +411,7 @@ update() {
 		main_msg "$(eval_gettext "Updating AUR Packages...\n")"
 
 		if ! "${aur_helper}" --color "${pacman_color_opt}" "${devel_flag[@]}" -Syu; then
-			icon_updates_available
+			state_updates_available
 			echo
 			error_msg "$(eval_gettext "An error has occurred during the update process\nThe update has been aborted\n")" && quit_msg
 			exit 5
@@ -423,13 +423,13 @@ update() {
 		main_msg "$(eval_gettext "Updating Flatpak Packages...\n")"
 
 		if ! flatpak update; then
-			icon_updates_available
+			state_updates_available
 			error_msg "$(eval_gettext "An error has occurred during the update process\nThe update has been aborted\n")" && quit_msg
 			exit 5
 		fi
 	fi
 
-	icon_up_to_date
+	state_up_to_date
 	echo
 	info_msg "$(eval_gettext "The update has been applied\n")"
 }