Update OneUpdater script

info.plist

@@ -770,15 +770,10 @@ function url_exists {
 }
 
 function notification {
-  local -r notificator="$(find . -type d -name 'Notificator.app')"
-  if [[ -n "${notificator}" ]]; then
-    "${notificator}/Contents/Resources/Scripts/notificator" --message "${1}" --title "${alfred_workflow_name}" --subtitle 'A new version is available'
-    return
-  fi
+  local -r notificator="$(find . -type f -name 'notificator')"
 
-  local -r terminal_notifier="$(find . -type f -name 'terminal-notifier')"
-  if [[ -n "${terminal_notifier}" ]]; then
-    "${terminal_notifier}" -title "${alfred_workflow_name}" -subtitle 'A new version is available' -message "${1}"
+  if [[ -f "${notificator}" && "$(/usr/bin/file --brief --mime-type "${notificator}")" == 'text/x-shellscript' ]]; then
+    "${notificator}" --message "${1}" --title "${alfred_workflow_name}" --subtitle 'A new version is available'
     return
   fi
 
@@ -795,11 +790,15 @@ readonly local_version="$(/usr/libexec/PlistBuddy -c 'print version' "${local_in
 
 # Check for updates
 if [[ $(find "${local_info_plist}" -mtime +"${frequency_check}"d) ]]; then
-  if ! url_exists "${remote_info_plist}"; then abort "'remote_info_plist' (${remote_info_plist}) appears to not be reachable."; fi # Remote sanity check
+  # Remote sanity check
+  if ! url_exists "${remote_info_plist}"; then
+    abort "'remote_info_plist' (${remote_info_plist}) appears to not be reachable."
+  fi
 
   readonly tmp_file="$(mktemp)"
   curl --silent --location --output "${tmp_file}" "${remote_info_plist}"
   readonly remote_version="$(/usr/libexec/PlistBuddy -c 'print version' "${tmp_file}")"
+  rm "${tmp_file}"
 
   if [[ "${local_version}" == "${remote_version}" ]]; then
     touch "${local_info_plist}" # Reset timer by touching local file
@@ -812,12 +811,19 @@ if [[ $(find "${local_info_plist}" -mtime +"${frequency_check}"d) ]]; then
     exit 0
   fi
 
-  download_url="$([[ "${download_type}" == 'github_release' ]] && curl --silent "https://api.github.com/repos/${workflow_url}/releases/latest" | grep 'browser_download_url' | head -1 | sed -E 's/.*browser_download_url": "(.*)"/\1/' || echo "${workflow_url}")"
+  readonly download_url="$(
+    if [[ "${download_type}" == 'github_release' ]]; then
+      osascript -l JavaScript -e 'function run(argv) { return JSON.parse(argv[0])["assets"].find(asset => asset["browser_download_url"].endsWith(".alfredworkflow"))["browser_download_url"] }' "$(curl --silent "https://api.github.com/repos/${workflow_url}/releases/latest")"
+    else
+      echo "${workflow_url}"
+    fi
+  )"
 
   if url_exists "${download_url}"; then
     notification 'Downloading and installing…'
-    curl --silent --location --output "${HOME}/Downloads/${alfred_workflow_name}.alfredworkflow" "${download_url}"
-    open "${HOME}/Downloads/${alfred_workflow_name}.alfredworkflow"
+    readonly download_name="$(basename "${download_url}")"
+    curl --silent --location --output "${HOME}/Downloads/${download_name}" "${download_url}"
+    open "${HOME}/Downloads/${download_name}"
   else
     abort "'workflow_url' (${download_url}) appears to not be reachable."
   fi
@@ -1131,27 +1137,6 @@ fi</string>
 			<key>version</key>
 			<integer>1</integer>
 		</dict>
-		<dict>
-			<key>config</key>
-			<dict>
-				<key>argumenttype</key>
-				<integer>1</integer>
-				<key>keyword</key>
-				<string>bton</string>
-				<key>subtext</key>
-				<string></string>
-				<key>text</key>
-				<string>Turn Bluetooth On</string>
-				<key>withspace</key>
-				<true/>
-			</dict>
-			<key>type</key>
-			<string>alfred.workflow.input.keyword</string>
-			<key>uid</key>
-			<string>ED18B100-64A9-46AA-82B6-21A2C7182F4F</string>
-			<key>version</key>
-			<integer>1</integer>
-		</dict>
 		<dict>
 			<key>config</key>
 			<dict>
@@ -1175,6 +1160,27 @@ fi</string>
 			<key>version</key>
 			<integer>2</integer>
 		</dict>
+		<dict>
+			<key>config</key>
+			<dict>
+				<key>argumenttype</key>
+				<integer>1</integer>
+				<key>keyword</key>
+				<string>bton</string>
+				<key>subtext</key>
+				<string></string>
+				<key>text</key>
+				<string>Turn Bluetooth On</string>
+				<key>withspace</key>
+				<true/>
+			</dict>
+			<key>type</key>
+			<string>alfred.workflow.input.keyword</string>
+			<key>uid</key>
+			<string>ED18B100-64A9-46AA-82B6-21A2C7182F4F</string>
+			<key>version</key>
+			<integer>1</integer>
+		</dict>
 		<dict>
 			<key>config</key>
 			<dict>
@@ -1571,8 +1577,7 @@ fi</string>
 	<key>readme</key>
 	<string>NEW IN THIS EDITION:
 
-- Updated notificator binary.
-- Added missing workflow icon.
+- Updated OneUpdater (automatic updates) script.
 
 
 
@@ -1781,7 +1786,7 @@ Enjoy!</string>
 			<key>note</key>
 			<string>Pair with available devices</string>
 			<key>xpos</key>
-			<real>175</real>
+			<real>185</real>
 			<key>ypos</key>
 			<real>875</real>
 		</dict>
@@ -1874,7 +1879,7 @@ Enjoy!</string>
 			<key>xpos</key>
 			<real>30</real>
 			<key>ypos</key>
-			<real>1395</real>
+			<real>1430</real>
 		</dict>
 		<key>EE29FA26-7129-4E3D-9084-F402120BF8F1</key>
 		<dict>
@@ -1914,7 +1919,7 @@ Enjoy!</string>
 		<string>confirm</string>
 	</array>
 	<key>version</key>
-	<string>3.0.1</string>
+	<string>3.0.2</string>
 	<key>webaddress</key>
 	<string>https://github.com/vegardinho/alfred_bluetooth_controller</string>
 </dict>