Fix more and more bugs

cbattery

@@ -19,7 +19,7 @@ EOF
 }
 
 write_cache() {
-    echo "$1" > "$TMP_FILE"
+    [[ -n "$NO_CACHE" ]] || echo "$1" > "$TMP_FILE"
 }
 
 read_cache() {

cbattery.plist

@@ -10,7 +10,7 @@
 
     <key>ProgramArguments</key>
     <array>
-	<string>/opt/homebrew/bin/cbattery</string>
+	<string>/usr/local/bin/cbattery</string>
         <string>charging</string>
         <string>off</string>
     </array>
@@ -20,5 +20,10 @@
     <key>StandardErrorPath</key>
     <string>/tmp/cbattery.stderr</string>
 
+    <key>EnvironmentVariables</key>
+    <dict>
+       <key>NO_CACHE</key>
+       <string>true</string>
+    </dict>
 </dict>
 </plist>